Technical Information

PVG 128/256
Proportional Valve Group

www.danfoss.com

Technical Information
PVG 128/256 Technical Information

Revision history

Table of revisions
Date

ChangedRev

July 2024

Added LSRV information to Inlet Modules

0603

March 2024

Updated table information

0602

December 2023 Major content revisions and restructuring

0601

May 2023

Updated PVB 256 3-way compensator table

0512

January 2023

Update Compensated PVB 256 table

0511

July 2021

Corrected PVB 256 3-way Compensator with LS A/B parts table

0510

March 2021

Corrected PVSI with P and T port dimensions

0509

May 2020

Minor revision - data corrections throughout, updated version number to match online
catalogue.

0508

Changed document number from 'BC00000380' to 'BC220686485279'

XX

Minor changes throughout document, new images added.

0407

June 2019

September 2018 Safety topic added.

0406

August 2018

Layout changes, minor edits

0405

June 2018

Table for dimensions page 90 update.

0404

March 2018

Minor edits

0403

January 2018

correction to part number pg 540402

October 2017

Updated port names on schematics

0401

July 2017

Updated specs and dimensions

0301

March 2017

Corrected PVAS equation

0203

March 2017

Updated PVAS tables

0202

January 2017

Changed PVEO and PVEH product data

0201

November 2016 First edition

2 | © Danfoss | July 2024

0101

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Contents
General Information
Safety in Systems.............................................................................................................................................................................. 5
PVG 128/256 Proportional Valve Group...................................................................................................................................7
PVG general description................................................................................................................................................................ 8
Features of the PVG 128/256 valve............................................................................................................................................ 8
Inlet Modules
PVPV256 Inlets (for variable displacement pumps)...........................................................................................................11
PVP128 OC and PVP128 OC/CC Inlets.....................................................................................................................................13
OC256 Module (add-on module, configurable for variable or fixed displacement pumps).............................. 17
Inlet Module Accessories
PVPP Pilot Shut Off Valve............................................................................................................................................................ 19
PVPE/PVPH Full Flow Bypass Valve..........................................................................................................................................19
PVB 128 Variant Overview
PVB 128 3-way Compensator.................................................................................................................................................... 22
PVB 128 3-way Compensator with LS A/B.............................................................................................................................25
PVB 128 3-way Compensator with LS A/B and PVLP.........................................................................................................29
PVB 256 Variant Overview
PVB 256 3-way Compensator.................................................................................................................................................... 35
PVB 256 3-way Compensator with LS A/B.............................................................................................................................39
PVB 256 3-way Compensator with LSA/B and PVLP..........................................................................................................43
PVB 256 3-way Compensator with LS A/B, PVLP and Turbo...........................................................................................48
PVLP Shock and PVLA Suction Valves
PVLP Overview................................................................................................................................................................................ 53
PVLP Technical Data......................................................................................................................................................................53
PVBS Main Spool
PVBS Main Spools variant overview........................................................................................................................................ 56
Flow control spools..................................................................................................................................................................56
PVBS main spools product details........................................................................................................................................... 56
PVS Main spools part numbers................................................................................................................................................. 58
Flow control spools..................................................................................................................................................................59
Flow control spool closed neutral position............................................................................................................... 59
Flow control spool throttled open neutral position...............................................................................................59
Single acting cylinder flow control spool closed neutral position, flow control B port............................ 60
Flow control spool closed neutral position with A-float.......................................................................................61
PVM Manual Activation
PVM Technical Data.......................................................................................................................................................................63
PVH Hydraulic Actuation
PVH Technical Data....................................................................................................................................................................... 65
PVHC Electro-Hydraulic Actuator type
PVHC Technical Data.....................................................................................................................................................................67
PVMD Cover Manual Actuation Only
PVMD Part Numbers..................................................................................................................................................................... 68
PVE Electrical Actuator
PVE Series 7 Electrical Actuator.................................................................................................................................................69
PVE Variant Overview
PVE Variant Overview................................................................................................................................................................... 71
PVEO................................................................................................................................................................................................... 71
PVEO.............................................................................................................................................................................................. 72
PVEO Schematics and Dimensions............................................................................................................................... 73
PVEO Technical Data.......................................................................................................................................................... 73
PVEO 128/256 Reaction Times........................................................................................................................................74
PVEO Variants for PVG....................................................................................................................................................... 74
PVEH....................................................................................................................................................................................................75© Danfoss | July 2024

BC220686485279en-000603 | 3

Technical Information
PVG 128/256 Technical Information
Contents
PVEH Overview.......................................................................................................................................................................... 75
PVEH Schematics and Dimensions............................................................................................................................... 76
PVEH Technical Data.......................................................................................................................................................... 76
PVEH Reaction Times......................................................................................................................................................... 78
PVEH Hysteresis and Ripple.............................................................................................................................................78
PVEH Variants for PVG....................................................................................................................................................... 79
Connector Overview
Connector Overview..................................................................................................................................................................... 80
Fault Monitoring and Reaction
Generic Fault Reaction................................................................................................................................................................. 81
PVEH Fault Reaction Overview..................................................................................................................................................82
Functionality Overview
Standard and Fixed US 0-10 Vdc.............................................................................................................................................. 83
PWM Voltage Control..............................................................................................................................................................83
Float A-Port (-FLA)..........................................................................................................................................................................85
PVE Power Save.............................................................................................................................................................................. 85
Special Features
Dedicated Float Pin (UF)..............................................................................................................................................................86
Disable Mode...................................................................................................................................................................................86
Performance Overview
PVG 128/256 Reaction Times.....................................................................................................................................................87
Hysteresis and Ripple................................................................................................................................................................... 88
Oil Consumption............................................................................................................................................................................ 88
PVSI/PVGI End and Interface Plates
PVSI with or without LX-connection....................................................................................................................................... 90
PVSI with P and T port connections........................................................................................................................................ 91
PVGI Interface Plate.......................................................................................................................................................................92
PVAS
PVG Valve Schematics
Valve Schematics............................................................................................................................................................................96
Dimension Overview
Dimension Overview for PVG 128/256...................................................................................................................................98
Specifications example..............................................................................................................................................................101

4 | © Danfoss | July 2024

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Technical Information
PVG 128/256 Technical Information
General Information
Safety in Systems
All types and brands of control valves, including proportional valves, can fail. Therefore, the necessary
protection against the serious consequences of a functional failure should always be built into thesystem.
General safety considerations

W Warning
Because the proportional valve is used in many different applications and under different operating
conditions, it is the sole responsibility of the OEM to ensure that all performance, safety and warning
requirements of the application are met in this selection of products and complies with relevant
machine-specific and generic standards.
The OEM is fully responsible for making and documenting their own hazard and risk assessment
including the consequences of the system in case of pressure failure and uncontrolled movements. The
Danfoss documentation can only be used as input for the activity.
Control system example
An example of a control system using an aerial lift is shown below:
Aerial lift

This example breaks down the control system into smaller bits explaining the architecture in depth. Even
though many Danfoss components are used in the PVG control system.
The function of the control system is to use the output from the PVE together other external sensors toensure the PLUS+1 main controllers correct function of the aerial lift.

© Danfoss | July 2024

BC220686485279en-000603 | 5

Technical Information
PVG 128/256 Technical Information
General Information
Electrical block diagram

W Warning
It is the responsibility of the equipment manufacturer that the control system incorporated in themachine is declared as being in conformity with the relevant machine directives.

C Caution
A mix of electrical actuation and hydraulic actuation on the same valve stack is not safe. PVE and PVH are
designed for different pilot pressure.
Cost-free repairs, as mentioned in Danfoss General Conditions of Sale, are carried out only at Danfoss orat service shops authorized by Danfoss.

6 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
General Information
PVG 128/256 Proportional Valve Group

Navigation© Danfoss | July 2024

PVPV

PVB 256

PVB 128

PVBS Main Spool on page 56

PVM

PVE Series 7 Electrical Actuator on
page 69/PVHC

PVMD/PVH Covers

PVSI/PVGI End and Interface Plates on
page 89

PVAS

BC220686485279en-000603 | 7

Technical Information
PVG 128/256 Technical Information
General Information
PVG general description
PVG is a hydraulic, load-sensing proportional valve, designed for optimal machine performance andmaximum design flexibility.
The PVG valve design is based on a modular concept that enables machine designers to specify a valve
solution suitable for multiple market segments across multiple applications.
The load independent proportional control valve and high performance actuator technology combinedwith a low pressure drop design improves the machine performance and efficiency – increasing
productivity and reducing energy consumption.
Features of the PVG 128/256 valve

•
•
•

•
•
•
•
•
•
•

8 | © Danfoss | July 2024

Inlet flow up to 1200 l/min [317 US gal/min]Compact sectional platform solution for easy integration with PVG 16/32/48
Load-independent flow control:‒ Oil flow to an individual function is independent of the load pressure of this function‒ Oil flow to one function is independent of the load pressure of other functions
Reliable regulation characteristics across the entire flow range
Load sense relief valves for A and B port enables reduced energy loss at target pressure
Optimized for lower pressure drop and higher efficiency
Several options for connection threads and flange mountCompact design, easy installation and serviceability
Static Load sense system when selecting pump control
Internal T0 connection in all PVSI/PVGIBC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Inlet Modules
The PVG 128/256 inlets, also referred to as pump side modules, act as an interface between the PVG
128/256 proportional valve group and the hydraulic pump and tank reservoir.
Included in this section are a variety of inlets intended for variable and/or fixed pump applications, aswell as an additional module that can be used to convert an existing assembly between variable andfixed pump use.

The inlet module variants are based on a generic platform with a selection of additional features,
enabling you to tailor the PVP to suit the demands of any hydraulic system:• PVPV256 Inlets on page 11 (for variable displacement pumps)••

PVP128 OC and PVP128 OC/CC Inlets on page 13 (for fixed displacement pumps)
OC256 Module on page 17 (add-on module, configurable for variable or fixed displacement pumps)

Pump Symbols by Displacement TypeTechnical Data - All Inlet Variants
Max. rated pressure

Oil temperature

Ambient temperature© Danfoss | July 2024

P-port continuous

350 bar[5076 psi]

P-port intermittent

400 bar[5800 psi]T-port static/dynamic

25/40 bar[363/580 psi]

Recommended

30 to 60°C

[86-140°F]

Minimum-30°C[-22°F]

Maximum

90°C[194°F]

Recommended-30 to 60°C[-22 to 140°F]

BC220686485279en-000603 | 9

Technical Information
PVG 128/256 Technical Information
Inlet Modules
Technical Data - All Inlet Variants (continued)
Oil viscosity

Oil contamination according to ISO
4406

10 | © Danfoss | July 2024

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Inlet Modules
PVPV256 Inlets
The PVPV256 inlets, also referred to as pump side modules, act as an interface between the PVG 128/256
proportional valve group and the hydraulic pump and tank reservoir. The PVPV256 is intended for use invariable pump applications.
All variants include a pilot pressure reducing valve (PPRV) for PVE or PVH/PVHC actuation. All models canbe actuated via PVM manual actuators.
All variants are prepared for 2x anti-shock/anti-cavitation valves (PVLP) valves. See PVLP Shock and PVLA
Suction Valves on page 53.
Optional electrically actuated pilot shut off valve (PVPP) provides additional functional system safety byremoving pilot oil from the electrical actuation or hydraulic actuation system, disabling main spool
actuation. See Inlet Module Accessories on page 19.
Schematic

Dimensional Drawing

Drawing shown with optional PVPP
Technical Data
Rated P-port flow

© Danfoss | July 2024

600 l/min[159 US gal/min]

BC220686485279en-000603 | 11

Technical Information
PVG 128/256 Technical Information
Inlet Modules
Part numbers for PVPV256
Part Number PPRV

P-portT-PortLS-portGauge-port

M-portGauge-port

T- and Pp
Gauge-port

Mounting
Thread11173130

Metric Flange
1-1/4”

Metric Flange
1-1/2”

G3/8"BSP

G3/8"BSP

G1/4"BSP

M1211176703

Threaded Ports
G1-1/2” BSP

Threaded Ports
G1-1/2” BSP

G3/8"BSP

G3/8"BSP

G1/4"BSP

M1211176691

SAE Flange
1-1/4”SAE Flange
1-1/2”

9/16-18 UNF(SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

M1211176702

Threaded Ports
1-7/8” UNF(SAE-24)

Threaded Ports
9/16-18 UNF
1-7/8” UNF (SAE-24) (SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

M12

Metric Flange
1-1/4”

Metric Flange
1-1/2”

G3/8"BSP

G3/8"BSP

G1/4"BSP

M1211178098

Threaded Ports
G1-1/2” BSP

Threaded Ports
G1-1/2” BSP

G3/8"BSP

G3/8"BSP

G1/4"BSP

M1211178117

SAE Flange 1-1/4” SAE Flange 1-1/2”

9/16-18 UNF(SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

M1211178119Threaded Ports
1-7/8” UNF(SAE-24)

Threaded Ports
9/16-18 UNF
1-7/8” UNF (SAE-24) (SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

M1211178095

PVE
13,5 bar

PVH/PVHC
25 bar

Pilot Pressure Reduction Valve Performance

12 | © Danfoss | July 2024

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Technical Information
PVG 128/256 Technical Information
Inlet Modules
PVP128 OC and PVP128 OC/CC Inlets
The PVP128 OC and PVP128 OC/CC inlets, also referred to as pump side modules, act as an interface
between the PVG 128/256 proportional valve group and the hydraulic pump and tank reservoir. The
PVP128 OC is intended for use in fixed pump applications, while the PVP128 OC/CC can be used in both
fixed and variable pump applications.
All variants include a pilot pressure reducing valve (PPRV) for PVE or PVH/PVHC actuation. All models canbe actuated via PVM manual actuators.
All variants are prepared for 2x anti-shock/anti-cavitation valves (PVLP) valves. See PVLP Shock and PVLA
Suction Valves on page 53.
All variants are prepared for optional electrically actuated pilot shut off valve (PVPP), which provides
additional functional system safety by removing pilot oil from the electrical actuation or hydraulicactuation system, disabling main spool actuation. See Inlet Module Accessories on page 19.
OC/CC variants include facility for optional electrically (PVPE) or hydraulically (PVPH) actuated full flow
dump valve relieves pump flow to tank, reducing pump standby pressure in fixed displacement pump
applications. See Inlet Module Accessories on page 19.
OC/CC variants include OC/CC selector, allowing for easy conversion between variable (CC) and fixed(OC) pump applications.
Schematic — PVP128 OC

Schematic shown with optional PVPP
Schematic — PVP128 OC/CC

Schematic shown with optional PVPP & PVPE

© Danfoss | July 2024

BC220686485279en-000603 | 13

Technical Information
PVG 128/256 Technical Information
Inlet Modules
Dimensional Drawing — PVP128 OC

Dimensional Drawing — PVP128 OC/CC

Technical Data
Rated P-port flow

500 l/min[132 US gal/min]

Part numbers for PVP128 OC & PVP128 OC/CC
Part Number PPRV

P-PortFlange (C62)

T-PortFlange (C61)

LS
Port

P
Gauge Port

T and Pp
Gauge Ports

PVPE/PVPH
facility

OC/CC Selector

Mounting
Thread11244804

Metric1”Metric1-1/4”

G3/8”
BSP

G3/8”
BSP

G1/4”
BSP

No

No

M12

SAE
1”

SAE
1-1/4”

9/16-18 UNF(SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)PVH/
PVHC
25 bar

Metric1”Metric1-1/4”

G3/8”
BSP

G3/8”
BSP

G1/4”
BSP

SAE
1”

SAE
1-1/4”

9/16-18 UNF(SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

PVE
13,5 bar

Metric1”Metric1-1/4”

G3/8”
BSP

G3/8”
BSP

G1/4”
BSP

Yes*

Yes

SAE
1”

SAE
1-1/4”

9/16-18 UNF(SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

Metric1”Metric1-1/4”

G3/8”
BSP

G3/8”
BSP

G1/4”
BSP

SAE
1”

SAE
1-1/4”

9/16-18 UNF(SAE-6)

3/4-16 UNF(SAE-8)

7/16-20 UNF(SAE-4)

PVE
13,5 bar11244805
11244780
11244781
11215893
11215895
11243703
11243704

PVH/
PVHC
25 bar* If PVPE/PVPH is not required, inlet selection must include PVPD on specification sheet for OC/CC variants

14 | © Danfoss | July 2024

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Technical Information
PVG 128/256 Technical Information
Inlet Modules
Pilot Pressure Reduction Valve Performance

Neutral Bypass Pressure Drop Characteristics

Inlet relief pressure is dependent on inlet flow rate and will follow the curves in the graphs below. The
final relief setting should be made at the maximum application flow rate. This setting must not exceed
the continuous pressure rating of any component in the valve stack.
Inlet shock valves (PVLP) are necessary to mitigate pressure spikes in flow transition periods and should
not be replaced with PVLA (anti-cavitation valve only). PVLPs have a fixed setting and should be specified
30 bar above maximum application pressure (Inlet LS relief setting at maximum application flow rate for
fixed pump application or PC setting of pump for variable pump application).

© Danfoss | July 2024

BC220686485279en-000603 | 15

Technical Information
PVG 128/256 Technical Information
Inlet Modules
Integrated LS pressure relief valve characteristics

16 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Inlet Modules
OC256 Module
The OC256 module is an add-on module used to convert an existing assembly using a PVPV256 inlet fromvariable to fixed pump use. The OC256 module should be mounted immediately after the inlet andbefore the first working section. This allows for the LS shuttle network to transmit the highest loadpressure to the OC256 module, allowing for proper function of the unloader when in the open center
configuration.
The OC256 module includes facility for electrically (PVPE) or hydraulically (PVPH) actuated full flow dump
valve that relieves pump flow to tank, reducing pump standby pressure in fixed displacement pump
applications. See Inlet Module Accessories on page 19.
The OC256 module include OC/CC selector, allowing for easy conversion between variable (CC) and fixed(OC) pump applications.
Schematic

Dimensional Drawing

Technical Data
Rated P-port flow

600 l/min[159 US gal/min]*When paired with PVPV256 inlet
Part number for OC256
Part Number

PPRV

Ports

PVPE/PVPH
facility

OC/CC Selector

Mounting
Thread11217812

None

None

Yes*

Yes

None

* If PVPE/PVPH is not required, inlet selection must include PVPD on specification sheet© Danfoss | July 2024

BC220686485279en-000603 | 17

Technical Information
PVG 128/256 Technical Information
Inlet Modules
Neutral Bypass Pressure Drop Characteristics

Inlet relief pressure is dependent on inlet flow rate and will follow the curves in the graphs below. The
final relief setting should be made at the maximum application flow rate. This setting must not exceed
the continuous pressure rating of any component in the valve stack.
Inlet shock valves (PVLP) are necessary to mitigate pressure spikes in flow transition periods and should
not be replaced with PVLA (anti-cavitation valve only). PVLPs have a fixed setting and should be specified
30 bar above maximum application pressure (Inlet LS relief setting at maximum application flow rate for
fixed pump application or PC setting of pump for variable pump application).
Integrated LS pressure relief valve characteristics

18 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Inlet Module Accessories

PVPP Pilot Shut Off Valve
Optional electrically actuated pilot shut off valve (PVPP) provides additional functional system safety byremoving pilot oil from the electrical actuation or hydraulic actuation system, disabling main spool
actuation. Spools can still be operated manually via the PVM lever. If PVPP is not required, it can beneglected from the specification sheet. PVPP is available on PVPV256, PVP128 OC, and PVP128 OC/CC.
Part Number

Voltage

Connector

11160318

12V

1x4 DIN

11160319

24V

1x4 DIN

PVPE/PVPH Full Flow Bypass Valve
Optional electrically (PVPE) or hydraulically (PVPH) actuated full flow dump valve relieves pump flow totank, reducing pump standby pressure in fixed displacement pump applications. If PVPE/PVPH is not
required, PVPD must be included on the specification sheet. PVPE/PVPH are available on PVP128 OC/CC &OC256.

© Danfoss | July 2024

Part Number

Type

Actuation Type

Connection

11271986

PVPE

12V

1x4 DIN

11272287

PVPE

24V

1x4 DIN

11272266

PVPE

12V

1x2 Deutsch

11278656

PVPE

24V

1x2 Deutsch

11272294

PVPH

HydraulicG1/4 BSP Port

11272239

PVPD

None

None

BC220686485279en-000603 | 19

Technical Information
PVG 128/256 Technical Information
Inlet Module Accessories
Neutral Bypass Pressure Drop Characteristics – PVP128 OC & PVP128 OC/CC

Neutral Bypass Pressure Drop Characteristics – OC256 with PVPV256

20 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 basic module dimensions (mm)

178.8

33

107

182.2

PVB 128

205

23.5

66

Weight 10 kg [22 lbs]

The PVG 128 Basic modules (PVB), also referred to as work sections, is the interface between the PVG 128
proportional valve group and the work function such as a cylinder or a motor.
The PVB basic module variants are based on a generic platform with a selection of additional features,
enabling you to tailor the PVB to suit the demands of any hydraulic system.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Symbol - compensated PVB

The generic PVB basic module platform includes the following main variants:
Compensated PVB 128 Compensated basic module.
Compensated PVB 128 w LSA/B Compensated basic module with LSA/B relief valve for each work port.
Compensated PVB 128 with LSA/B and PVLP Compensated basic module with LSA/B relief valve for eachwork port and 2xPVLPs for each work port.

W Warning
Risk of leak
The module will leak if the flange mount screws are not properly secured.
Flange mount screws according to ISO 6162-2.

© Danfoss | July 2024

BC220686485279en-000603 | 21

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 3-way Compensator
The compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Schematic

A

B

P109173

Technical data
Max. rated pressure

A/B port continuous

350 bar[5076 psi]

A/B port intermittent

400 bar[5800 psi]

Max. rated flow*

A/B port

300 L/min[79 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°C[194°F]

Recommended-30 to 60°C[-22 to 140°F]

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Ambient temperature
Oil viscosity

Oil contaminationaccording to ISO 4406

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

70 cm3/min[4.27 in3/min]

80 cm3/min[4.88 in3/min]* Rated flow at 15 bar margin pressure

Part numbers for Compensated PVB 128

22 | © Danfoss | July 2024

Part number

A/B-port

PVLP/PVLALS A/B-port

11170522

Metric Flange 3/4”--

11170528

G 1" BSP--

11170524

SAE Flange 3/4” UNC--

11170526

Thread Ports 1 5/16 UNC--

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
Oil flow as function of spool travelPA[l/min]

E

65

225

60

200

D

C

P

[US gal/min]

250

E

55
D

50

175

45

150

40

125

B

35

C

30
B

100

25

75

20

A

B
A

15

50

10
25

PVM

PVEH
PVEH-U8

1

0

00.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

0.25

0.5

0.5

5.0

5.0

10

PVM

5

[mm]
9

7

6

5

4

3

2

1

2

3

4

5

6

7

8

9

[in]
Us
UDC

0.3

0.35

0.4

0.45

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39
0.55

0.6

0.65

0.75

0.7

[V]
2.5

PVM
10

7.5

Load Independent Oil Flow, Pressure Compensated[l/min] Q[US gal/min]

250

65

225

60

200

55
50

175

45

150

40

125

35
30

100

25

75

20

50

15
10

25

5
0

25

0

500

50

75 100 125 150 175 200 225 250 275 300 325 350
1000

1500

2000

2500

3000

3500

4000

4500

5000

P
[bar]
P
[psi]

P109213© Danfoss | July 2024

BC220686485279en-000603 | 23

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 Upstream Performance

Port P to Port A/B at full spool stroke
[psi]

P

[bar]

25

350
300

E = Spool 240 l/min

20

250
15

200
150

10

100
5
50

Q

0

0

0

25 50 75 100 125 150 175 200 225 250 275 300[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80[US gal/min]
P109240

PVB 128 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]

350
300

[bar]
25

20

250
200
150

15
E = Spool 240 l/min
10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300[l/min]0

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80[US gal/min]

Q
P109241

24 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 3-way Compensator with LS A/B
The compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The integrated LSA/B relief valves are used to limit the maximum work port pressure on the A and B-ports
individually.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Schematic

A
LS/B
B

LS/A

P109186

Technical data
Max. rated pressure

A/B port continuous

350 bar[5076 psi]

A/B port intermittent

400[5800 psi]

Max. rated flow*

A/B port

250 l/min[66 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Recommended-30 to 60°C[-22 to 140°F]

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s

Ambient temperature
Oil viscosity

Oil contaminationaccording to ISO 4406

Maximum[2128 SUS]
23/19/16

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

70 cm3/min[4.27 in3/min]

80 cm3/min[4.88 in3/min* Rated flow at 15 bar margin pressure

Part numbers for Compensated PVB with LS A/B© Danfoss | July 2024

Part number

A/B-port

PVLP/PVLALS A/B-port

11176915

Metric Flange 3/4”-

G1/4"BSP

11176918

G 1" BSP-

G1/4"BSP

11176916

SAE Flange 3/4” UNC-

7/16-20 UNC

11176917

Thread Ports 1 5/16 UNC-

7/16-20 UNC

BC220686485279en-000603 | 25

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
Oil flow as function of spool travelPA[l/min]

E

65

225

60

200

D

C

P

[US gal/min]

250

E

55
D

50

175

45

150

40

125

B

35

C

30
B

100

25

75

20

A

B
A

15

50

10
25

PVM

PVEH
PVEH-U8

1

0

00.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

0.25

0.5

0.5

5.0

5.0

10

PVM

5

[mm]
9

7

6

5

4

3

2

1

2

3

4

5

6

7

8

9

[in]
Us
UDC

0.3

0.35

0.4

0.45

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39
0.55

0.6

0.65

0.75

0.7

[V]
2.5

PVM
10

7.5

Load Independent Oil Flow, Pressure Compensated[l/min] Q[US gal/min]

250

65

225

60

200

55
50

175

45

150

40

125

35
30

100

25

75

20

50

15
10

25

5
0

25

0

500

50

75 100 125 150 175 200 225 250 275 300 325 350
1000

1500

2000

2500

3000

3500

4000

4500

5000

P
[bar]
P
[psi]

P109213

26 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
LS A/B Pressure Relief Valve[l/min] Q [US gal/min]
250

65

225

60

200

55
50

175

45

150

40

125

35
30

100

25

75

20

50

15
10

25

5
P
[bar]
P
[psi]

0
0

25

0

500

50

75 100 125 150 175 200 225 250 275 300 325 350
1000 1500 2000 2500 3000 3500 4000 4500 5000

P109215

PVB 128 Upstream Performance

Port P to Port A/B at full spool stroke
[psi]
350
300

P

[bar]

25

E = Spool 240 l/min

20

250
200
150

15

10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80[US gal/min]
P109240© Danfoss | July 2024

BC220686485279en-000603 | 27

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]

350
300

[bar]
25

20

250
200
150

15
E = Spool 240 l/min
10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300[l/min]0

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80[US gal/min]

Q
P109241

28 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 3-way Compensator with LS A/B and PVLPThe compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The integrated LS A/B relief valves are used to limit the maximum work port pressure on the A and Bports individually.
Featuring 2xPVLP shock/anti-cavitation valves on each work port for pressure peak protection and anticavitation prevention
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Schematic

A
LS/B
B

LS/A

P109172

Technical data
Max. rated pressure

A/B port continuous

350 bar[5076 psi]

A/B port intermittent

400[5800 psi]

Max. rated flow*

A/B port

250 l/min[66 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Ambient temperature
Oil viscosity

Oil contaminationaccording to ISO 4406

Maximum

90°[194°F]

Recommended-30 to 60°C[-22 to 140°F][65 to 347 SUS]

Operating range

12 to 75 mm2/s

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

70 cm3/min[4.27 in3/min]

80 cm3/min[4.88 in3/min* Rated flow at 15 bar margin pressure

Part numbers for Compensated PVB 128 with LSA/B and PVLP

© Danfoss | July 2024

Part number

A/B-port

PVLP/PVLALS A/B-port

11165621

Metric Flange 3/4”

2 PVLP/PVLA

G1/4"BSP

11170527

G 1" BSP

2 PVLP/PVLA

G1/4"BSP

11170523

SAE Flange 3/4” UNC

2 PVLP/PVLA

7/16-20 UNC

11170525

Thread Ports 1 5/16 UNC

2 PVLP/PVLA

7/16-20 UNC

BC220686485279en-000603 | 29

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
Oil flow as function of spool travelPA[l/min]

E

65

225

60

200

D

C

B
E

55
D

50

175

45

150

40

125

P

[US gal/min]

250

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25

PVM

PVEH
PVEH-U8

1

0

00.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

0.25

0.5

0.5

5.0

5.0

10

PVM

5

[mm]
9

7

6

5

4

3

2

1

2

4

3

5

6

7

8

9

[in]
Us
UDC

0.3

0.35

0.4

0.45

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39
0.55

0.6

0.65

0.7

0.75

[V]
2.5

PVM
10

7.5

2xPVLP Shock Valve[psi] P [bar] P
5000
4500

350
325
300

4000

275

3500

250
225

3000
2500
2000

200
175
150
125

1500

100

1000

75
50

500
0

25
0
0

25 50 75 100 125 150 175 200 225 250

0 5 10 15 20 25 30 35 40 45 50 55 60 65

Q[l/min]Q[USgal/min]
P10921630 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
2xPVLA Suction Valve[psi] P [bar] P
1000

70
65

900

60
800

55

700

50

Port A/ B

45
600

40
35

500

30

400

25
300

20

200

15
10

100

5
0

0

0

25

75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500

Q[l/min]0

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110115120 125 130[US gal/min]

50

Q

P109217

Load Independent Oil Flow, Pressure Compensated[l/min] Q[US gal/min]

250

65

225

60

200

55
50

175

45

150

40

125

35
30

100

25

75

20

50

15
10

25

5
0

25

0

500

50

75 100 125 150 175 200 225 250 275 300 325 350
1000

1500

2000

2500

3000

3500

4000

4500

5000

P
[bar]
P
[psi]

P109213© Danfoss | July 2024

BC220686485279en-000603 | 31

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
LS A/B Pressure Relief Valve[l/min] Q [US gal/min]
250

65

225

60

200

55
50

175

45

150

40

125

35
30

100

25

75

20

50

15
10

25

5
P
[bar]
P
[psi]

0
0

25

0

500

50

75 100 125 150 175 200 225 250 275 300 325 350
1000 1500 2000 2500 3000 3500 4000 4500 5000

P109215

PVB 128 Upstream Performance

Port P to Port A/B at full spool stroke
[psi]
350
300

P

[bar]

25

E = Spool 240 l/min

20

250
200
150

15

10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80[US gal/min]
P109240

32 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 128 Variant Overview
PVB 128 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]

350
300

[bar]
25

20

250
200
150

15
E = Spool 240 l/min
10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300[l/min]0

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80[US gal/min]

Q
P109241© Danfoss | July 2024

BC220686485279en-000603 | 33

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256

PVB 256 basic module dimensions (mm)

107

182.2

178.5

43

205

23.5

86

Weight 16 kg [35.3 lbs]

The PVG 256 Basic modules (PVB), also referred to as work sections, is the interface between the PVG 256
proportional valve group and the work function such as a cylinder or a motor.
The PVB basic module variants are based on a generic platform with a selection of additional features,
enabling you to tailor the PVB to suit the demands of any hydraulic system.
The compensator is a 3-way type which includes load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up.
The generic PVB basic module platform includes the following main variants.
Compensated PVB 256 Compensated basic module.
Compensated PVB 256 with LS A/B Compensated basic module with LSA/B relief valve for each work port.
Compensated PVB 256 with LS A/B and PVLP Compensated basic module with LSA/B relief valve for eachwork port and 3xPVLPs for each work port.
Compensated PVB 256 with Turbo compensator feature Compensated basic module with LS A/B relief valve
for each work port and 3xPVLPs for each work port.

34 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 3-way Compensator
The compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The integrated LS A/B relief valves are used to limit the maximum work port pressure on the A and Bports individually.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Schematic

A

B

P109168

Technical data
Max. rated pressure

A/B port continuous

350 barA/B port intermittent

400 bar[5076 psi]
[5800 psi]

Max. rated flow

A/B port

450 l/min[119 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Oil contaminationaccording to ISO 4406

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

70 cm3/min[4.27 in3/min]

85 cm3/min[5.19 in3/min]

Part numbers for Compensated PVB 256© Danfoss | July 2024

Part number

A/B port

PVLP/PVLALS A/B port

11169244

Metric Flange 1”--11169252

G1-1/4 BSP--

11169248

SAE Flange 1” UNC--

11177020

Thread Ports 1-5/16-12 UNC --BC220686485279en-000603 | 35

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Oil Flow as Function of Spool TravelPA[l/min]GP[US gal/min]

400

105

375

100

B
G

95
350
F

90

325

85

300

80

F

75
275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

E

D

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25

PVM

5

[mm]

1

0

0

0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

0.25

0.5

0.5

5.0

5.0

10

PVM

[in]

PVEH

Us
UDC

9

8

0.3

7

6

0.35

5

4

0.4

3

2

0.45

1

2

3

4

5

6

7

8

9

36 | © Danfoss | July 2024

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39
0.55

0.6

0.65

0.7

0.75

PVEH-U [V]
2.5

PVM
10

7.5

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Load Independent Oil Flow, Pressure Compensated[l/min] Q [US gal/min]
500
475
450
425
400
375
350

130
125
120
115
110
105
100
95
90
85
80
75
70

325
300
275
250

65
60
55
50
45
40
35
30
25
20
15
10
5

225
200
175
150
125
100
75
50
25

P
[bar]
P
1000 1500 2000 2500 3000 3500 4000 4500 5000 [psi]0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500

P109219

PVB 256 Upstream Performance
Port P to Port A/B at full spool stroke

P
[psi]
350
300

[bar]
25

20

250
200
150

G = Spool 400 l/min

15

10

100
5
50
0

0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425

Q[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110[US gal/min]

P109243© Danfoss | July 2024

BC220686485279en-000603 | 37

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]
350
300

[bar]
25

20

250
200
150

15
G/H = Spool 400 l/min

10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110115120 125130[US gal/min]
P10924438 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 3-way Compensator with LS A/B
The compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The integrated LS A/B relief valves are used to limit the maximum work port pressure on the A and Bports individually.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Schematic

A
LS/B

B

LS/A

P109167

Technical data
Max. rated pressure

A/B port continuous

350 bar[5076 psi]

A/B port intermittent

400[5800 psi]

Max. rated flow

A/B port

450 l/min[119 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Oil contaminationaccording to ISO 4406

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

70 cm3/min[4.27 in3/min]

85 cm3/min[5.19 in3/min]

Part numbers for Compensated PVB 256 with LSA/B© Danfoss | July 2024

Part number

A/B-port

PVLP/PVLALS A/B-port

11177015

Metric Flange 1”-

G1/4"BSP

11177017

G1-1/4 BSP-

G1/4"BSP

11177016

SAE Flange 1” UNC-

7/16-20 UNC

11177019

Thread Ports 1-5/16-12 UNC -7/16-20 UNC

BC220686485279en-000603 | 39

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Oil Flow as Function of Spool TravelPA[l/min]GP[US gal/min]

400

105

375

100

B
G

95
350
F

90

325

85

300

80

F

75
275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

E

D

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25

PVM

5

[mm]

1

0

0

0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

0.25

0.5

0.5

5.0

5.0

10

PVM

[in]

PVEH

Us
UDC

9

8

0.3

7

6

0.35

5

4

0.4

3

2

0.45

1

2

3

4

5

6

7

8

9

40 | © Danfoss | July 2024

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39
0.55

0.6

0.65

0.7

0.75

PVEH-U [V]
2.5

PVM
10

7.5

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Load Independent Oil Flow, Pressure Compensated[l/min] Q [US gal/min]
500
475
450
425
400
375
350

130
125
120
115
110
105
100
95
90
85
80
75
70

325
300
275
250

65
60
55
50
45
40
35
30
25
20
15
10
5

225
200
175
150
125
100
75
50
25

P
[bar]
P
1000 1500 2000 2500 3000 3500 4000 4500 5000 [psi]0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500

P109219

LS A/B Pressure Limitation[l/min] Q [US gal/min]

LS A/B Pressure Limitation

550
525
500
475
450
425
400
375
350
325
300
275
250
225
200
175
150
125
100
75
50
25

© Danfoss | July 2024

140
135
130
125
120
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500 1000 1500 2000 2500 3000 3500 4000 4500 5000

P
[bar]
P
[psi]

BC220686485279en-000603 | 41

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 Upstream Performance
Port P to Port A/B at full spool stroke

P
[psi]

[bar]
25

350
300

20

250
G = Spool 400 l/min

15

200
150

10

100
5
50
0

0

0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425

Q[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110[US gal/min]

P109243

PVB 256 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]
350
300

[bar]
25

20

250
200
150

15
G/H = Spool 400 l/min

10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110115120 125130[US gal/min]
P10924442 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 3-way Compensator with LSA/B and PVLPThe compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The integrated LS A/B relief valves are used to limit the maximum work port pressure on the A and Bports individually.
Featuring 3xPVLP shock/anti-cavitation valves on each work port for pressure peak protection and anticavitation prevention.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.

A
LS/B

B

LS/A

P109166

Technical data
Max. rated pressure

A/B port continuous
A/B port intermittent

400 bar[5800 psi]

Max. rated flow

A/B port

450 l/min[119 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Oil contaminationaccording to ISO 4406

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

350 bar[5076 psi]

70 cm3/min[4.27 in3/min]

85 cm3/min[5.19 in3/min]

Part numbers for Compensated PVB 256 with LSA/B and PVLP

© Danfoss | July 2024

Part number

A/B port

PVLP/PVLALS A/B port

11169243

Metric Flange 1”

3 PVLP/PVLA

G1/4"BSP

11169251

G1-1/4

3 PVLP/PVLA

G1/4"BSP

11169247

SAE Flange 1” UNC

3 PVLP/PVLA

7/16-20 UNC

11177018

Thread Ports 1-5/16-12 UNC 3 PVLP/PVLA

7/16-20 UNC

BC220686485279en-000603 | 43

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Oil Flow as Function of Spool TravelPA[l/min]GP[US gal/min]

400

105

375

100

B
G

95
350
F

90

325

85

300

80

F

75
275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

E

D

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25

PVM

5

[mm]

1

0

0

0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

0.25

0.5

0.5

5.0

5.0

10

PVM

[in]

PVEH

Us
UDC

9

8

0.3

7

6

0.35

5

4

3

0.4

2

0.45

1

2

3

4

5

6

7

8

9

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39
0.55

0.6

0.65

0.7

0.75

PVEH-U [V]
2.5

PVM
10

7.5

3xPVLP Shock Valve[psi] P [bar] P
5000

350
325

4500
300
4000
3500

275
250
225

3000
2500
2000

200
175
150
125

1500

100

1000

75
50

500
0

25

Q

0
0

25

0

5

50

75

100 125 150 175 200 225 250 275 300 325 350 375[l/min]

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100[US gal/min]

Q

P10922144 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
3xPVLA Suction Valve[psi] P [bar] P
1000
900

70
65
60

800
700

55
50
45

600
500
400

Port A/B

40
35
30
25

300

20

200

15
10

100

5

Q

0

0

0

25

0

5

75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110115 120 125 130[US gal/min]

50

Q

P109224

LS A/B Pressure Limitation[l/min] Q [US gal/min]

LS A/B Pressure Limitation

550
525
500
475
450
425
400
375
350
325
300
275
250
225
200
175
150
125
100
75
50
25

© Danfoss | July 2024

140
135
130
125
120
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500 1000 1500 2000 2500 3000 3500 4000 4500 5000

P
[bar]
P
[psi]

BC220686485279en-000603 | 45

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Load Independent Oil Flow, Pressure Compensated[l/min] Q [US gal/min]
500
475
450
425
400
375
350

130
125
120
115
110
105
100
95
90
85
80
75
70

325
300
275
250

65
60
55
50
45
40
35
30
25
20
15
10
5

225
200
175
150
125
100
75
50
25

P
[bar]
P
1000 1500 2000 2500 3000 3500 4000 4500 5000 [psi]0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500

P109219

PVB 256 Upstream Performance
Port P to Port A/B at full spool stroke

P
[psi]
350
300

[bar]
25

20

250
200
150

G = Spool 400 l/min

15

10

100
5
50
0

0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425

Q[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110[US gal/min]

P109243

46 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]
350
300

[bar]
25

20

250
200
150

15
G/H = Spool 400 l/min

10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110115120 125130[US gal/min]
P109244© Danfoss | July 2024

BC220686485279en-000603 | 47

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 3-way Compensator with LS A/B, PVLP and Turbo
The compensated PVB is intended for controlling a work function where the function behavior in termsof flow and pressures requires independency on the load pressure of other functions usedsimultaneously.
The integrated LS A/B relief valves are used to limit the maximum work port pressure on the A and Bports individually.
Featuring 3xPVLP shock/anti-cavitation valves on each work port for pressure peak protection and anticavitation prevention.
The compensator is a 3-way type which include load drop check valve functionality, compensatorfunction and neutral relief which avoid A and B port pressure build up in neutral.
Schematic

A
LS/B

B

LS/A

P109169

Technical data
Max. rated pressure

A/B port continuous
A/B port intermittent

400 bar[5800 psi]

Max. rated flow

A/B port

500 l/min[132 US gal/min]

Oil temperature

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Oil contaminationaccording to ISO 4406

Max. internal leakage at 100 A/B→T without shock valve
bar [1450 psi] and 21 mm2/s
A/B→T with shock valve[102 SUS]

350 bar[5076 psi]

70 cm3/min[4.27 in3/min]

85 cm3/min[5.19 in3/min]

Part numbers for Compensated PVB 256 with LSA/B, PVLP and Turbo48 | © Danfoss | July 2024

Part number

A/B port

PVLP/PVLALS A/B port

11183379

Metric Flange 1”

3 PVLP/PVLA

G1/4"BSP

11183406

G1 BSP

3 PVLP/PVLA

G1/4"BSP

11183404

SAE Flange 1” UNC

3 PVLP/PVLA

7/16-20 UNC

11183402

Thread Ports 1-5/16-1 UNC

3 PVLP/PVLA

7/16-20 UNC

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
Oil Flow as Function of Spool TravelPA[l/min]
500

H

475
450

P

[US gal/min]

B
H

130
125
120
115

425
G

110

400

105

375

100

G

95
350
F

90

325

85

300

80

F

75
275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

E

D

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25

PVM

5

[mm]

1

0

0

1

0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

00

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39

0.25

0.5

0.5

5.0

5.0

10

PVM

[in]

PVEH

Us
UDC

9

8

0.3

7

6

0.35

5

4

0.4

3

2

0.45

2

0.55

3

4

0.6

5

6

0.65

7

8

0.7

9

© Danfoss | July 2024

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U[V]

0.75

PVEH-U [V]
2.5

PVM
10

7.5

BC220686485279en-000603 | 49

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
3xPVLP Shock Valve[psi] P [bar] P
5000

350
325

4500
300
4000
3500

275
250
225

3000
2500
2000

200
175
150
125

1500

100

1000

75
50

500

25

Q

0

0

0

25

0

5

50

75

100 125 150 175 200 225 250 275 300 325 350 375[l/min]

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100[US gal/min]

Q

P109221

3xPVLA Suction Valve[psi] P [bar] P
1000
900

70
65
60

800
700

55
50
45

600
500
400

Port A/B

40
35
30
25

300

20

200

15
10

100
0

5

Q

0
0

25

0

5

75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110115 120 125 130[US gal/min]

50

Q

P109224

50 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
LS A/B Pressure Limitation[l/min] Q [US gal/min]

LS A/B Pressure Limitation

550
140
135
130
125

525
500
475

120
115
110
105
100
95

450
425
400
375
350

90
85
80
75
70

325
300
275
250

65
60
55
50
45
40
35
30
25
20
15
10
5
0

225
200
175
150
125
100
75
50
25

0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500 1000 1500 2000 2500 3000 3500 4000 4500 5000

P
[bar]
P
[psi]

Load Independent Oil Flow, Pressure Compensated[l/min] Q [US gal/min]
500
475
450
425
400
375
350
325
300
275
250
225
200
175
150
125
100
75
50
25

130
125
120
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
P
[bar]
P
1000 1500 2000 2500 3000 3500 4000 4500 5000 [psi]0

25 50 75 100 125 150 175 200 225 250 275 300 325 350

0500

P109219© Danfoss | July 2024

BC220686485279en-000603 | 51

Technical Information
PVG 128/256 Technical Information
PVB 256 Variant Overview
PVB 256 Turbo Upstream Performance
Port P to Port A/B at full spool stroke

P
[psi]

[bar]
25

350

H = Spool 400 l/min w Turbo
300

20

250
15

200
150

10

100
5
50

Q

0

0

0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110115120 125130[US gal/min]
P109245

PVB 256 Downstream Performance
Port A/B to Tank at full spool stroke
P
[psi]
350
300

[bar]
25

20

250
200
150

15
G/H = Spool 400 l/min

10

100
5
50
0

Q

0
0

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]Q
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110115120 125130[US gal/min]
P10924452 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVLP Shock and PVLA Suction Valves
PVLP Overview
PVLP is set at an oil flow of 10 l/min [2.6 US gal/min] per unit.
The shock valve PVLP is designed to absorb shock effects. Consequently, it should not be used as apressure relief valve.
If the working function requires the use of a pressure relief valve, a PVB basic module with built-in LSA/B
pressure limiting valve should be used.
PVLP schematic

Port pressure

P109174

PVLA schematic
Port pressure

P109175

PVLP Technical Data
Technical data
Oil temperature

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

Oil contaminationaccording to ISO 4406

© Danfoss | July 2024

Recommended

BC220686485279en-000603 | 53

Technical Information
PVG 128/256 Technical Information
PVLP Shock and PVLA Suction Valves
Part numbers for PVLP Shock and PVLA Suction Valves
Description

Pressure setting in bar

PVLA

-

157B2001

PVLP

32

157B203250

157B205063

157B206380

157B2080100

157B2100125

157B2125140

157B2140150

157B2150160

157B2160175

157B2175190

157B2190210

157B2210230

157B2230240

157B2240250

157B2250265

157B2265280

157B2280300

157B2300320

157B2320350

157B2350

PLUG

54 | © Danfoss | July 2024

Part number

380

157B2380-

157B2002

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVLP Shock and PVLA Suction Valves
3xPVLP Shock Valve[psi] P [bar] P
5000

350
325

4500
300
4000
3500

275
250
225

3000
2500
2000

200
175
150
125

1500

100

1000

75
50

500

25

Q

0

0

0

25

0

5

50

75

100 125 150 175 200 225 250 275 300 325 350 375[l/min]

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100[US gal/min]

Q

P109221

3xPVLA Suction Valve[psi] P [bar] P
1000
900

70
65
60

800
700

55
50
45

600
500
400

Port A/B

40
35
30
25

300

20

200

15
10

100
0

5

Q

0
0

25

0

5

75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500[l/min]

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110115 120 125 130[US gal/min]

50

Q

P109224© Danfoss | July 2024

BC220686485279en-000603 | 55

Technical Information
PVG 128/256 Technical Information
PVBS Main Spool
The PVG 128/256 main spools (PVBS) determines the flow out of the work section.
The PVBS main spool variants are based on a generic platform with a wide selection of additionalfeatures, enabling you to tailor the PVBS to suit the demands of any hydraulic system and any function.
The PVBS main spool can be activated in three different ways:
Mechanically by a PVM lever
Electrically by either a PVE or a PVHC actuator
Hydraulically by a PVH actuator•••

All spools can be mechanically activated.
PVBS Main Spool

PVBS Main Spool dimensions

83.5

230

30
P109176

PVBS Main Spools variant overview

Flow control spools

•
•
•
•

Flow control spool closed neutral position
Flow control spool throttled open neutral position
Single acting cylinder flow control spool closed neutral position, flow control B port
Flow control spool closed neutral position with A-float

PVBS main spools product details
Technical data
Oil temperature

Ambient temperature
Oil viscosity

Oil contaminationaccording to ISO 4406

56 | © Danfoss | July 2024

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Recommended-30 to 60°C[-22 to 140°F]

Operating range

12 to 75 mm2/s[65 to 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s[2128 SUS]

Maximum

23/19/16

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVBS Main Spool
Progressive Oil Flow as Function of Spool TravelAP[l/min]
500

H

475
450

P

[US gal/min]

B
H

130
125
120
115

425
G

110

400

105

375

100

G

95
350
F

90

325

85

300

80

F

75
275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

E

D

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25
PVM

[mm]

PVM

[in]

PVEH

Us
UDC

1

0

0

1

0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

00

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39

0.25

0.5

0.5

5.0

5.0

10

PVEH-U

9

8

0.3

7

6

0.35

5

4

0.4

3

2

5

0.45

2

0.55

3

4

0.6

5

6

0.65

7

8

0.7

9

© Danfoss | July 2024

[mm]

PVM

[in]

PVEH

Us
UDC

PVEH-U

[V]

0.75

[V]
2.5

PVM
10

7.5

BC220686485279en-000603 | 57

Technical Information
PVG 128/256 Technical Information
PVBS Main Spool
Pressure drop for open spool in neutral position
A/B to T

P
[psi]

[bar]
350

5000

325

4500

300
4000

275

3500

250
225

3000

200
175

2500

150

2000

125
1500

100

1000

75
50

500

25

Q

0

0

0

10 15 20 25 30 35 40 45 50 55 60 65 70

5

0

2

4

6

8

10

12

16

14

[l/min]Q

18[US gal/min]
P109253

Progressive oil flow characteristic of spool with A-floatPFA[l/min]

105

375

100

350
F

E

C

85
80

B
A

70
65

225

60

E

55
50

175

45

150

40

D

35

C

30

100

25

75

20

50

F

75

250

125

G

90

300

200
D

B

95

325

275

P

[US gal/min]

400

B
A

15
10

25
PVM

12
PVM

5

[mm]
11

10

9

8

7

6

5

4

3

2

1

0

0

PVH

2

3

4

5

6

7

8

9

PVM

[mm]

PVM

[in]

PVH

bar

PVH

psi

10

[in]
0.47 0.43 0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04 0PVH

10.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39

bar
17

15

13

11

9

7

5

5

7

9

11

13

15

247

218

189

160

131

102

73

73

102

131

160

189

218

psi

PVS Main spools part numbers

58 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVBS Main Spool
Flow control spools

Flow control spool closed neutral position
Schematic

P109177

Symmetric flow control spools
Part number

Actuation

Flow - l/min (US gal/min)
A→T

P→A

P→B

B→T

11177686

PVE

65 [17.17]

65 [17.17]

65 [17.17]

65 [17.17]

11177738PVE

95 [25.10]

95 [25.10]

95 [25.10]

95 [25.10]

11177750

PVE

130 [34.34]

130 [34.34]

130 [34.34]

130 [34.34]

11177448PVE

180 [47.55]

180 [47.55]

180 [47.55]

180 [47.55]

11177798PVE

240 [63.40]

240 [63.40]

240 [63.40]

240 [63.40]

11178733

PVE

320 [84.54]

320 [84.54]

320 [84.54]

320 [84.54]

11177058*

PVE

400 [105.67]

400 [105.67]

400 [105.67]

400 [105.67]

11184159

PVH/PVHC

65 [17.17]

65 [17.17]

65 [17.17]

65 [17.17]

11184846

PVH/PVHC

95 [25.10]

95 [25.10]

95 [25.10]

95 [25.10]

11182643

PVH/PVHC

130 [34.34]

130 [34.34]

130 [34.34]

130 [34.34]

11182640

PVH/PVHC

180 [47.55]

180 [47.55]

180 [47.55]

180 [47.55]

11182638

PVH/PVHC

240 [63.40]

240 [63.40]

240 [63.40]

240 [63.40]

11182635

PVH/PVHC

320 [84.54]

320 [84.54]

320 [84.54]

320 [84.54]

11182621*

PVH/PVHC

400 [105.67]

400 [105.67]

400 [105.67]

400 [105.67]* Up to 500 l/min in combination with PVB 256 3-way Turbo Compensator feature

Asymmetric spools
Part number**

Actuation

Flow - l/min (US gal/min)
A→T

P→A

P→B

B→T

PVH/PVHC

65 [17.17]

65 [17.17]

130 [34.34]

130 [34.34]

PVH/PVHC

95 [25.10]

95 [25.10]

180 [47.55]

180 [47.55]

PVH/PVHC

130 [34.34]

130 [34.34]

240 [63.40]

240 [63.40]

PVH/PVHC

180 [47.55]

180 [47.55]

320 [84.54]

320 [84.54]

PVH/PVHC

240 [63.40]

240 [63.40]

400 [105.67]

400 [105.67]** Please contact your Danfoss Power Solutions representative if one of these variants is needed.

Flow control spool throttled open neutral position
Schematic

P109178© Danfoss | July 2024

BC220686485279en-000603 | 59

Technical Information
PVG 128/256 Technical Information
PVBS Main Spool
Symmetric flow control spools
Part number

Actuation

Flow - l/min (US gal/min)
A→T

P→A

P→B

B→T

65 [17.17]

65 [17.17]

65 [17.17]

65 [17.17]

1

PVE11182537PVE

95 [25.10]

95 [25.10]

95 [25.10]

95 [25.10]

11178290PVE

130 [34.34]

130 [34.34]

130 [34.34]

130 [34.34]

11178310

PVE

180 [47.55]

180 [47.55]

180 [47.55]

180 [47.55]

11182619

PVE

240 [63.40]

240 [63.40]

240 [63.40]

240 [63.40]

11182618PVE

320 [84.54]

320 [84.54]

320 [84.54]

320 [84.54]
400 [105.67]

111826172

PVE

400 [105.67]

400 [105.67]

400 [105.67](1)

PVH/PVHC

65 [17.17]

65 [17.17]

65 [17.17]

65 [17.17]

11183604

PVH/PVHC

95 [25.10]

95 [25.10]

95 [25.10]

95 [25.10]

11183602

PVH/PVHC

130 [34.34]

130 [34.34]

130 [34.34]

130 [34.34]

11183441

PVH/PVHC

180 [47.55]

180 [47.55]

180 [47.55]

180 [47.55]

11178318

PVH/PVHC

240 [63.40]

240 [63.40]

240 [63.40]

240 [63.40]

11180718

PVH/PVHC

320 [84.54]

320 [84.54]

320 [84.54]

320 [84.54]

11178984 (2)PVH/PVHC

400 [105.67]

400 [105.67]

400 [105.67]

400 [105.67]

1 Please contact your Danfoss Power Solutions representative if one of these variants is needed.
2 Up to 500 l/min in combination with PVB 256 3-way Turbo Compensator feature

Asymmetric flow control spools
Part number**

Actuation

Flow - l/min (US gal/min)
A→T

P→A

P→B

B→T

-

65 [17.17]

65 [17.17]

130 [34.34]

130 [34.34]-

95 [25.10]

95 [25.10]

180 [47.55]

180 [47.55]-

130 [34.34]

130 [34.34]

240 [63.40]

240 [63.40]-

180 [47.55]

180 [47.55]

320 [84.54]

320 [84.54]-

240 [63.40]

240 [63.40]

400 [105.67]

400 [105.67]** Please contact your Danfoss Power Solutions representative if one of these variants is needed.

Single acting cylinder flow control spool closed neutral position, flow control B port
Schematic

P109179

Part number

Actuation

Flow - l/min (US gal/min)
A→T

60 | © Danfoss | July 2024

P→B

B→T

-

65 [17.17]

65 [17.17]-

95 [25.10]

95 [25.10]--

130 [34.34]

130 [34.34]--

180 [47.55]

180 [47.55]

PVE

-

-

240 [63.40]

240 [63.40]

(1)

PVE

-

-

320 [84.54]

320 [84.54]

(1)2

PVE

-

-

400 [105.67]

400 [105.67]

1

PVE

-

(1)

PVE

-

(1)

PVE

(1)

PVE

(1)

P→A

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVBS Main Spool
Part number

Actuation(1)

PVH/PVHC(1)

PVH/PVHC(1)

Flow - l/min (US gal/min)
P→B

B→T

-

A→T
-

P→A

65 [17.17]

65 [17.17]

95 [25.10]

95 [25.10]

PVH/PVHC--

130 [34.34]

130 [34.34](1)

PVH/PVHC--

180 [47.55]

180 [47.55](1)

PVH/PVHC--

240 [63.40]

240 [63.40](1)

PVH/PVHC--

320 [84.54]

320 [84.54](1)(2)

PVH/PVHC--

400 [105.67]

400 [105.67]

1 Please contact your Danfoss Power Solutions representative if one of these variants is needed.
2 Up to 500 l/min in combination with PVB 256 3-way Turbo Compensator feature

Flow control spool closed neutral position with A-float
Schematic

P109180

Symmetric flow control spools
Part number

Actuation

Flow - l/min (US gal/min)
A→T

P→A→F

P→B

B→T

PVE

65 [17.17]

65 [17.17]

65 [17.17]

65 [17.17]

PVE

95 [25.10]

95 [25.10]

95 [25.10]

95 [25.10]

(1)

PVE

130 [34.34]

130 [34.34]

130 [34.34]

130 [34.34]

(1)

PVE

180 [47.55]

180 [47.55]

180 [47.55]

180 [47.55]

(1)

PVE

240 [63.40]

240 [63.40]

240 [63.40]

240 [63.40]

(1)

PVE

320 [84.54]

320 [84.54]

320 [84.54]

320 [84.54](1)

PVH/PVHC

65 [17.17]

65 [17.17]

65 [17.17]

65 [17.17](1)

PVH/PVHC

95 [25.10]

95 [25.10]

95 [25.10]

95 [25.10](1)

PVH/PVHC

130 [34.34]

130 [34.34]

130 [34.34]

130 [34.34](1)

PVH/PVHC

180 [47.55]

180 [47.55]

180 [47.55]

180 [47.55](1)

PVH/PVHC

240 [63.40]

240 [63.40]

240 [63.40]

240 [63.40](1)

PVH/PVHC

320 [84.54]

320 [84.54]

320 [84.54]

320 [84.54]

1(1)

1 Please contact your Danfoss Power Solutions representative if one of these variants is needed.

© Danfoss | July 2024

BC220686485279en-000603 | 61

Technical Information
PVG 128/256 Technical Information
PVM Manual Activation
PVM Lever dimensions

109.7 [4.32]
113 [4.45]
133.5 [5.26]
Weight: 1.5 kg [3.3 lbs]
The PVM manual activation cover is intended for use on any work section where the operator has to havethe ability to interact with the spool manually.
The adjustment screws are intended for limiting the spool travel and thereby the maximum achievableflow.

62 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVM Manual Activation
PVM Technical Data
Handle Installation

Standard

With float

30

37

°

°

°
30

30

°

37

30

°

°

°
30

°
30

Technical data
Spool displacement

TorqueFrom neutral position

PVM+PVMD

Max. spool travel

12 N·m106 lb·in

PVM+PVE

12 N·m106 lb·in

PVM+PVH

30 N·m

265 lb·in

PVM+PVMD

30 N·m

265 lb·in

PVM+PVE

30 N·m

265 lb·in

PVM+PVH

91 N·m805 lb·inStandard Control Range

30°

Control lever range + float position

37°

Part numbers for PVM Manual Activation© Danfoss | July 2024

Part number

Material

Adjustment screws

Lever base and lever B-port Gauge

11176644

Cast iron

-

Yes

No

11175317

Cast iron

Yes

Yes

G1/8" BSP

11176635

Cast iron

Yes

Yes

3/8"-24 UNF

BC220686485279en-000603 | 63

Technical Information
PVG 128/256 Technical Information
PVH Hydraulic Actuation

100

PVH dimensions

33

43.7

65

Weight: 1.9 kg [4.2 lbs]

The PVH hydraulic activation cover is intended for use on any work section where the operator wants tohave a possibility to interact with the main spool via a hydraulic joystick.
Inlet with Hydraulic Pilot Pressure is needed.
PA[l/min]500

H[US gal/min]

P

B
H

130

475

125

450

120
115

425
G

110

400

105

375

100

G

95
350
F

90

325

85

300

80

F

75
275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

E

D

35

C

30
B
A

100

25

75

20

50

B
A

15
10

25

PVM

[mm]

PVM

[in]

PVH
PVH

1

0

0

0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

0

15

13

11

9

7

5

5

7

9

11

13

15

218

189

160

131

102

73

73

102

131

160

189

218

10

8

9

7

6

5

4

3

2

5
1

2

4

3

5

6

7

8

9

PVM

[mm]

PVM

[in]

PVH

bar
bar

PVH

psi
psi

10

0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.31 0.35 0.39

bar
bar
psi
psi

P109247

64 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVH Hydraulic Actuation
PVH Technical Data
Technical data
Main Spool Spring control pressure range

5 – 15 bar[73 – 218 psi]

Pilot oil pressure range between 20 and 25 bar

20 – 25 bar[290 – 362 psi]

Max. pressure on port T (the hydraulic remote control
lever should be connected directly to tank).

10 bar[145 psi]

Part numbers for PVH Hydraulic Actuation© Danfoss | July 2024

Part number

Material

Connection

11187777

AluminumG1/4" BSP

11187776

Aluminum9/16"-18 UNF

BC220686485279en-000603 | 65

Technical Information
PVG 128/256 Technical Information

100

PVHC Electro-Hydraulic Actuator type

100.5

43.7

65

Weight: 2.6 kg [5.7 lbs]
The PVHC is an electrical actuator module for main spool control.
The PVHC control is done by dual Pulse Width Modulated (PVM) high current supply 100-400 Hz PWM
control signals.
The hysteresis is affected by viscosity, friction, flow forces, dither frequency and modulation frequency.
The spool position will shift when conditions are changed such as temperature change.
Inlet with Hydraulic Pilot Pressure is needed.
Dither frequency with a certain amplitude is needed for optimal application performance.
Schematic

P109249

66 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVHC Electro-Hydraulic Actuator type
PVHC characteristics – Spool stroke vs current
P

A

P

Spool stroke, mm

B

10
9
8

Ideal curve

7
65

Hysteresis

4321[Current in mA]
@12V
@24V

1600
800

1400
700

1200
600

1000
500

800
400

600
300

400
200

200
100

0
0

200
100

400
200

600
300

800
400

1000
500

1200
600

1400
700

1600
800

[Current in mA]
@ 12V
@ 24V
P109250

PVHC Technical Data
Technical data
Main Spool Spring control pressurerange

5-15 bar[73-218 psi]

Pilot oil pressure range between 20
and 25 bar

20-25 bar

[290-362 psi]

Max. pressure on port T

10 bar

PVHC 12 Volt Current Input[145 psi]
0-1500 mA

PVHC 24 Volt Current Input

0-750 mA

Ambient Temperature Range-30°C to 80°C[-22 °F to 176°F]

Medium Temperature Range-20°C to 80°C[-4 °F to 176°F]

Oil contamination according to ISO
4406 Maximum

23/19/16

Part numbers for PVHC Electro-Hydraulic Actuator types© Danfoss | July 2024

Part number

Power supply

Connector type11187757

12V

AMP

11187772

12V

DEUTSCH11187774

24V

AMP

11187775

24V

DEUTSCH

BC220686485279en-000603 | 67

Technical Information
PVG 128/256 Technical Information
PVMD Cover Manual Actuation Only
PVMD dimensions
14

100

32

65

17

Weight: 1.5 kg [3.3 lbs]

The PVMD cover is used when work section is purely mechanical activated.
PVMD Part Numbers

Part numbers for PVMD Covers

68 | © Danfoss | July 2024

Part number

Material

11187779

Aluminum

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVE Electrical Actuator
PVE Series 7 Electrical Actuator
The analog PVE Series 7 is an electro-hydraulic actuator used to control a single work section of a PVG
proportional valve group. The PVE Series 7 actuator program includes variants with different
performance levels and features for PVG 128/256.
The actuator positions the main spool in a PVG work section in order to control either the flow or thepressure of the oil distributed to/from the work function. The control signal to the actuator is an analog
voltage signal, enabling the user to operate the work function remotely by means of a joystick, acontroller or the similar.
The electro-hydraulic solenoid valve bridge of the actuator is available in different designs utilizing
different regulation principles, depending on performance variant. The actuator positions the main spoolby distributing pilot oil pressure to either side of it, pressurizing one side by pilot pressure while relieving
the opposite side to tank and vice versa, as illustrated below. All proportional actuators feature a closedloop spool control and continuous fault monitoring.
The analog PVE Series 7 actuator program for PVG 128/256 features two different main hydraulicprinciple variants (PVEO and PVEH). The different hydraulic principles combined with the different
solenoid valve regulation principles determine whether the actuator controls the spool proportionallyaccording to a demand signal or ON/OFF according to a voltage signal. The voltage control characteristicof the PVE Series 7 actuators is shown in the figure below to the left.
PVG 256 with PVEO

© Danfoss | July 2024

BC220686485279en-000603 | 69

Technical Information
PVG 128/256 Technical Information
PVE Electrical Actuator
PVG 256 with PVEH

70 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVE Variant Overview
PVEO Series 7

PVEH Series 7

SymbolDescription
PVEO
ON/OFF voltage control for non-proportional functions.
• Neutral position or max. spool stroke according to control
signal• Variants available with 12 V dc or 24 Vdc supply voltage• Variants available with DEUTSCH or DIN/Hirschmannconnectors• To be used with standard PVE pilot oil pressure of 13.5 bar• LED only indicating Power ON or Power OFF
P109195

PVEH
Proportional spool control for functions with high performanceand reaction demands.
• All variants with 11-32 Vdc multi-voltage power supply• Variants available with DEUTSCH or DIN/Hirschmannconnectors• To be used with standard PVE pilot oil pressure of 13.5 bar• All variants with LED indicating error state and active or
passive fault monitoring• Variants available with Float (-F) or 0-10 V dc control signal (U) functionality
P109198

PVEO© Danfoss | July 2024

BC220686485279en-000603 | 71

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVEO
The PVEO actuator is a non-proportional ON/OFF control actuator with open-loop spool control primarily
used to control simple ON/OFF work functions where a proportional control of speed or oil flow is not arequirement
PVEO

PVEO functionality
Pp

LED
A
B

LED Circuit

SV1

SV2

1

0

2

The standard PVEO functionality includes the simplest electric circuit of the PVG 128/256 actuator
program, using a fixed 12 Vdc or 24 Vdc supply voltage or signal voltage and a simple LED circuit tocontrol the LED light indicating Power ON/OFF.
An energization of solenoid valve SV1 and a simultaneous de-energization of SV2 will cause the mainspool to move to the right direction and vice versa. If both SV1 and SV2 are energized or de-energizedsimultaneously, the main spool stays locked in its neutral position.

72 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVEO Schematics and Dimensions
PVEO schematics
PVEO

P109195

Dimensions
PVEO

Connector height
DEU = 24 mm [0.94 in]

102 [4.0]

DIN = 13 mm [0.51 in]

65 [2.56]

133 [5.24]

P109127

Weight: 2 kg [4.4 lbs]

PVEO Technical Data
Control Specification
Description

Type

Value

Supply Voltage (Udc)

Rated

12 VdcRange

11 to 15 Vdc

Max. ripple
Current Consumption

24 Vdc22 to 30 Vdc
5%Typical

708 mA361 mA

Minimum

430 mA

220 mA

Maximum

944 mA482 mA

Operating Conditions© Danfoss | July 2024

Description

Type

Value

Pilot Pressure

Nominal13.5 bar[196 psi]

Minimum

10.0 bar[145 psi]

Maximum

15.0 bar[218 psi]

BC220686485279en-000603 | 73

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
Operating Conditions (continued)
Description

Type

Value

Oil Consumption

Neutral

0.0 l/min[0.0 gal/min]Locked position

0.0 l/min[0.0 gal/min]Actuating

0.9 l/min[0.24 gal/min]

Max T-port pressure

Static25 bar[365 psi]

Max T-port pressure

Intermittent

40 bar[580 psi]

Storage Temperature

Ambient-50 to +90°C[-58 to +194°F]

Operating Temperature

Ambient-40 to +90°C[-40 to +194°F]

Oil Viscosity

Operating range

12 to 75 cSt[65 to 347 SUS]

Oil Cleanliness

Minimum

4 cSt[39 SUS]

Maximum

460 cSt[2128 SUS]

Maximum

18/16/13 (according to ISO 4406)

LED characteristic
Color

LED characteristic

Description

Green constantPower ON

PVEO 128/256 Reaction Times
T2
100

T0

Spool position
Demand Signal (Us)
Supply Voltage (U dc)

T1

Spool pos. [%]0Time
P109128

PVEO
Reaction

PVG128

PVG 256

T1 A-port – Neutral to maximum spool stroke @ Constant Udc

375 ms

375 ms

T1 B-port – Neutral to maximum spool stroke @ Constant Udc

520 ms

520 msT2 A-port – Maximum spool stroke to neutral @ Constant Udc

350 ms

350 ms

T2 B-port – Maximum spool stroke to neutral @ Constant Udc

600 ms

600 msPVEO Variants for PVG
PVG 128/256 Variants

74 | © Danfoss | July 2024

Part number

Type

Connector

IP

Udc

Functionality

11186328

PVEO

1x4 DEU67

12 VdcStandard

11186330

PVEO

1x4 DEU67

24 VdcStandard

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVG 128/256 Variants (continued)
Part number

Type

Connector

IP

Udc

Functionality

11186331

PVEO

1x4 DIN

65

12 VdcStandard

11186342

PVEO

1x4 DIN

65

24 VdcStandard

PVEH
PVEH Overview
The PVEH actuator is a proportional control actuator with closed-loop spool control primarily used tocontrol work functions with high performance requirements.
The PVEH functionality includes an electric circuit with a closed-loop logic. An embedded microcontroller
processes the signal voltage and the LVDT feedback signal and regulates the solenoid valves accordingly.
Features such as active or passive fault monitoring, LED indicating fault state, error output pin and Power
Save are all default PVEH features.
A continuous modulation of solenoid valves NC1 and NO4 together, with a simultaneous energization of
NO2 and de-energization of NC3, causes the main spool to move to the right direction and vice versa.
When the main spool is stroked to the far right, a simultaneous energization of both NO2 and NO4 andde-energization of both NC1 and NC3 locks the main spool in its stroked position. An emergency stop
activated when the spool is stroked will cause all solenoid valves to de-energize causing the main spool
to move back to its neutral position by means of the main spool neutral spring and the hydraulicprinciple.
Functionality
PVEH
SpecialFeatures

Pp

UF

LED
Error
Us
Udc

Microcontroller
Power
Supply

NC1

NC3

LVDT
1
NO2

© Danfoss | July 2024

0

2
NO4

BC220686485279en-000603 | 75

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVEH Schematics and Dimensions
Schematics
PVEH

P109198

Dimensions
PVEH

Connector height
DEU = 24 mm [0.94 in]

102 [4.01]

DIN = 13 mm [0.51 in]

65 [2.56]

121 [4.76]

P109158

2 kg [4.4]

PVEH Technical Data
Control Specification
Description
Supply Voltage (UDC)

Value

Rated Range

11 to 32 VDCMax. ripple

5%

Neutral

US = 0.5 UDC = 50% DUT

Q: P to A

US = (0.5 to 0.25) UDC = 50% to 25% DUT

Q: P to B

US = (0.5 to 0.75) UDC = 50% to 75% DUT

Input Impedance

Rated

12 kΩ

Input Capacitance

Rated

1 nF

Signal Voltage PWM (US)76 | © Danfoss | July 2024

Type

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
Current consumption
Description@ 12 VDC@ 24 VDCPWM Frequency (US) recommended> 1000 Hz> 1000 Hz

Current Consumption

540 mA

Power Save

270 mA
25 mA @ UDC = 32 VDC

Pilot pressure
Minimum

NominalMaximum

10.0 bar [145 psi]

13.5 bar [196 psi]

15.0 bar [218 psi]

Neutral

Locked position

Actuating

0.0 l/min

0.0 l/min

0.7 l/min[0.18 US gal/min]

Fluid consumption

Technical specification
Parameter
Fluid viscosity

Minimum

Recommended range

Maximum

4 mm2/s [39 SUS]

12 to 75 mm2/s [65 to 347 SUS]

460 mm2/s [2128 SUS]

Fluid cleanliness

18/16/13 (according to ISO 4406)

Storage temperature

Ambient: -50 to 90°C [-58 to 194°F]

Operating temperature

Ambient: -40 to 90°C [-40 to 194°F]

Max. T-port pressurestatic / intermittent

25 / 40 bar[365 / 580 psi]

LED Characteristic
Color© Danfoss | July 2024

LED Characteristic

Description

Green constantNo error – Actuating

Green flashing @ 1.5 Hz

Neutral – Power save

Red constantInternal error

Red flashing @ 1.5 Hz

External or Float error

YellowDisable mode

BC220686485279en-000603 | 77

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVEH for PVG 128/256 Reaction Times
T2
100

T0

Spool position
Demand Signal (Us)
Supply Voltage (U dc)

T1

Spool pos. [%]0Time
P109128

PVEH
Reaction

PVG 128/256

T0 – Boot up

80 ms

T1 – Neutral to maximum spool stroke @ Power ON

400 ms

T2 – Maximum spool stroke to neutral @ Power OFF

300 ms

T1 – Neutral to maximum spool stroke @ Constant Udc

380 ms

T2 – Maximum spool stroke to neutral @ Constant Udc

270 ms

T0 + Deadband

130 msFor more information on reaction times, see Reaction Times.

PVEH Hysteresis and Ripple
Spool position vs. supply (%)
Spool Position [%]
P

B

100
Spool PositionhFixed pos .

v

050(0.50 ∙ U dc)

78 | © Danfoss | July 2024

Us [%]
100(0.75 ∙ U dc)

Description

Type

PVEH

Hysteresis (h)Rated [%]

<2

Steady state ripple @ fixed Us (v)Rated [mm]0.0BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVE Variant Overview
PVEH Variants for PVG
PVG 128/256 variants© Danfoss | July 2024

Part number

Type

Connector

IP

Fault monitoring

Functionality

11186325

PVEH

1x4 DEU

67

PassiveStandard

11186326

PVEH

1x4 DEU

67

ActiveStandard

11186321

PVEH

1x4 DIN

65

PassiveStandard

11186322

PVEH

1x4 DIN

65

ActiveStandard

BC220686485279en-000603 | 79

Technical Information
PVG 128/256 Technical Information
Connector Overview
Connector Overview
PVEO 4-pin Connector
Pinout

Pin 1

Pin 2

Pin 3

Pin 4

1x4 DEUTSCH

UDC_A

GND

GND

UDC_B

1x4 DIN

UDC_A

UDC_B

-

GND

Pinout

Pin 1

Pin 2

Pin 3

Pin 4

1x4 DEUTSCH

US

Error

GND

UDC

1x4 DIN

UDC

US

Error

GND

PVEH/PVEH-U

PVEH-FLA 6-pin Connector
Pinout

Pin 1

Pin 2

Pin 3

Pin 4

Pin 5

Pin 6

1x6 DEUTSCH

US

Error

Float

-

GND

UDC

Connector diagrams
PVE Connector Direction

1x4 DEUTSCH

2

3

1

4

1x4 DIN
1x6 DEUTSCH
3 4
2 5
1 6

3

2

1

22 33
11 44

4

80 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Fault Monitoring and Reaction
All proportional control PVG 128/256 actuators feature:• Integrated fault monitoring

•
•
•
•

Detecting spool stroke inconsistencies
Detecting internal hardware defects
Detecting demand signal inconsistencies
Fault reaction depending on the type of fault monitoring‒ Generic‒ SpecificPassive and active fault monitoring refers to whether or not the actuator is reacting on the error when it
is detected.
Active fault monitoring
No matter what kind of error is detected, the solenoid valves will be disabled and the operation that thevalves/spool controls will stop immediately and spool will go to neutral position. Active fault monitoring
keeps a “memory” of the error, even if it is no longer registered. The active fault monitoring does not have
Auto Recovery because of this “memory” and a reboot/restart will therefore be required to reactivate thesolenoid valves.
With an active fault monitoring the following scenarios will take place when an error is detected/occurs:
The LED light will switch from green to red and the error pin output will go highThe solenoid valves will be disabled and the operation that the valves/spool controls will stop
immediately• The active fault monitoring does not have Auto Recovery, so when the error is fixed/no longer isregistered a reboot/restart of the PVE is required to reactivate it.

••

Passive fault monitoring
Passive fault monitoring does not disable the solenoid valves when an error is detected. It will continue
to operate despite that an error was detected. When the error no longer is registered the passive fault
monitoring will “forget” the error and continue as if the error was never there.
With a passive fault monitoring the following conditions will happen when an error is detected/occurs:• The LED light will switch from green to red and the error pin output will go high•The solenoid valves will continue operating at the set point given at the time of the error‒ Only exception is if the error is caused by the supply voltage (UDC) being either above or below
the allowed range or if the temperature measured on the internal electronics board is higher thanallowed. In these cases, the solenoid valves will be disabled.

Generic Fault Reaction
All PVE actuators with fault monitoring are triggered by the following main events:© Danfoss | July 2024

Control Signal Monitoring

The Control signal voltage (US) is continuously monitored.
The permissible range is between 15% and 85% of the supply voltage (UDC).
Outside this range the PVE will switch into an error state. A disconnected USpin (floating) is recognized as a neutral set point.

Transducer/LVDT Supervision

The internal LVDT wires are monitored. If the signals are interrupted or shortcircuited, the PVE will switch into an error state.

BC220686485279en-000603 | 81

Technical Information
PVG 128/256 Technical Information
Fault Monitoring and Reaction
Supervision of Spool Position

The actual position must always correspond to the demanded position (US).
If the actual spool position is further out from neutral than the demandedspool position or in opposite direction, the PVE will switch into an error state.
Spool position closer to neutral and in same direction will not cause an error
state – the situation is considered in control.

Temperature Monitoring

When the temperature is too high the PVE LED will light constant red andsolenoid valves will be disabled.

PVEH Fault Reaction Overview
Description

Monitoring

LED

Solenoid valves

Error pin output

Fault reaction
time (ms)Spool not at
setpoint

Active*Disabled

High

500

Passive

-

High

250

Unable to reachfloat position

Active*Disabled

High

1000

Passive

-

High

1000

U dc > max.

ActiveDisabled--

Passive

Disabled--

ActiveDisabled--

Passive

Disabled--

Active*Disabled

High

500

Passive

-

High

250

Active*Disabled

High

500

Passive

-

High

250

Active*Disabled

High

250

Passive

Disabled

High

250

PVEH

U dc < min.

Us out of range

LVDT error

Temp > max.

* Does not have Auto Recovery

82 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Functionality Overview
Standard and Fixed US 0-10 Vdc
All standard proportional actuator variants PVEH can be controlled by an analog signal voltage (Us) or a
PWM controlled signal voltage (Us) proportional to the supply voltage (Udc).
PVEO
Description

Type

Value

Supply voltage (Udc)

Rated

12 VdcRange

11 to 15 Vdc

24 Vdc22 to 30 Vdc

Max. ripple

5%

PVEH
Description

Type

Supply voltage (Udc)

Signal voltage (Us)

Value

Rated

11 to 32 Vdc

Range

11 to 32 Vdc

Max. ripple

5%

NeutralUs = 0.5 ∙ Udc

Q: P to A

US = (0.5 to 0.25) ∙ Udc

Q: P to B

US = (0.5 to 0.75) ∙ Udc

The PVEH-U variants are controlled by a fixed 0-10 Vdc signal voltage (Us), directly compatible withstandard PLC control.
PVEH-U
Description

Type

Value

Supply voltage (Udc)

Rated

11 to 32 Vdc

Range

11 to 32 Vdc

Max. ripple

5%Signal voltage (Us)

NeutralUs = 5 V

Q: P to A

5 V to 2.5 V

Q: P to B

5 V to 7.5 V

PWM Voltage Control
The PVEH actuator variants can be controlled by a PWM controlled signal voltage (Us) proportional to the
supply voltage (Udc).
The V1 and V2 must be symmetrical around Udc/2 and V1 must be equal to or less than Udc.
Supply Voltage (Udc)
Udc
V1

Demand Signal (Us)
Supply Voltage (Udc)
Udc
2

V2
GND
t1

Time
T

© Danfoss | July 2024

P109152

BC220686485279en-000603 | 83

Technical Information
PVG 128/256 Technical Information
Functionality Overview
PVEH Control specification
Description
Supply Voltage (Udc)

Signal Voltage PWM (Us)PWM Frequency (Us)84 | © Danfoss | July 2024

Type

Value

Rated

11 to 32 Vdc

Range

11 to 32 Vdc

Max. ripple

5%

NeutralUs = 50% DUT

Q: P to A

Us = 50% to 25% DUT

Q: P to B

Us = 50% to 75% DUT

Recommended> 1000 Hz

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Functionality Overview
Float A-Port (-FLA)
The Float A-Port functionality enables the proportional PVEH-FLA actuator variants to enter the mainspool into a float position. The PVE actuators with Float A-Port functionality is compatible with the
dedicated main spools with electronic float in A-port.
PVE Type

PVBS TypeStandard Flow Control

Float Control

PVEH-FLA (1x6 pin)

Deadband 0.8 mm

Us = (0.25 → 0.75) ∙ Udc

U dc to dedicated float pin(UF)Max. A-port flow 5.5 mm

P

F

A

[l/min]
400

105

375

100
95

350
F

90

325

85

300

80
75

275
E

65

225

60

200
D

C

70

250

55
50

175

45

150

40

125

35
30

B
A

100

25

75

20

50

15
10

25

PVM

[mm]

PVM

[in]

PVEH-FLA

Us
UDC

8

1

0

0.47 0.43 0.39 0.35 0.31 0.28 0.24 0.20 0.16 0.12 0.08 0.04

0

12

11

10

9

7

6

0.25

5

0.2

4

3

0.15

2

0.1

5

0.05

PVE Power Save
All proportional actuator variants feature a Power Save mode, de-energizing the solenoid valve bridge.
The Power Save mode is entered when the signal voltage (Us) and the LVDT spool position has been inneutral for 750 ms. As soon as the signal voltage (Us) or the LVDT spool position is out of neutral the PVE
will leave its Power Save mode and re-energize the solenoid valve bridge as usual.
The Power Save mode results in increased power efficiency by reducing the current consumption of the
PVE actuators in neutral position. The Power Save mode has no effect on the performance of the PVE
actuator.

© Danfoss | July 2024

BC220686485279en-000603 | 85

Technical Information
PVG 128/256 Technical Information
Special Features
Dedicated Float Pin (UF)The Dedicated Float Pin (UF) feature is related to the PVEH-FLA actuator variant enabling the user tomove the main spool into its float position by power. The PVEH-FLA uses 1x6 pin AMP orDEUTSCH
connectors.
• Normal operation: Low or not connected• High Float• Input range: UDC• Max. voltage: 32 VDC
PVEH-FLA functionality diagram
SpecialFeatures

Pp

UF

LED
Error
Us
Udc

Microcontroller
Power
Supply

NC1

NC3

LVDT
1
NO2

0

2
NO4

Disable Mode
The PVEH-U actuator variants controlled by a fixed 0-10 VDC signal voltage (US), feature the ability to entera disable mode. This causes the counteracting force on the main spool created by the solenoid valve
bridge to deactivate, when using Manual OverRide (MOR).
The disable mode is entered by sending a signal voltage (Us) of 15% or lower of 10 VDC when in PowerSave.

86 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Performance Overview
PVG 128/256 Reaction Times
T2
100

T0

Spool position
Demand Signal (Us)
Supply Voltage (U dc)

T1

Spool pos. [%]0Time
P109128

ReactionT0 – Boot-up [ms]T1 – Neutral to max. spool stroke
T2 – Max. spool stroke to neutral
T1 – Neutral to max. spool stroke
T2 – Max. spool stroke to neutral

PVEO
Reaction

PVG128

PVG 256

T1 A-port – Neutral to maximum spool stroke @ Constant
Udc

375 ms

375 ms

T1 B-port – Neutral to maximum spool stroke @ ConstantUdc

520 ms

520 msT2 A-port – Maximum spool stroke to neutral @ Constant
Udc

350 ms

350 ms

T2 B-port – Maximum spool stroke to neutral @ Constant
Udc

600 ms

600 msReaction

PVG 128

PVG 256

T0 – Boot up

80 ms

80 ms

T1 – Neutral to maximum spool stroke @ Power ON

400 ms

380 ms

T2 – Maximum spool stroke to neutral @ Power OFF

300 ms

270 ms

T1 – Neutral to maximum spool stroke @ Constant Udc

320 ms

320 ms

T2 – Maximum spool stroke to neutral @ Constant Udc

250 ms

250 ms

T0 + Deadband

130 ms

130 msPVEH© Danfoss | July 2024

BC220686485279en-000603 | 87

Technical Information
PVG 128/256 Technical Information
Performance Overview
Hysteresis and Ripple
Spool Position [%]
P

B

100
Spool PositionhFixed pos .

v

0

Us [%]
100(0.75 ∙ U dc)

50(0.50 ∙ U dc)

Type

Hysteresis (h)Steady state ripple @ fixed Us (v)Rated [%]

Rated [mm]PVEH 256

1.5

0.0

Oil Consumption
Type

Neutral

Locked position

Actuating

PVEO

0.0

0.0

0.9

PVEH

0.0

0.0

0.7

[l/min]88 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVSI/PVGI End and Interface Plates
The PVG PVGI Interface Plate acts as an interface between the PVB 256/128 and PVB 48/32/16 basic
modules, which enables you to build a combo valve with PVB 256/128/48/32/16.
Optional the PVSI End Plate features additional P and T connection to accommodate an additional 600
l/min pump flow.
The PVS end plate variants are based on a generic platform with a selection of additional features,
enabling you to tailor the PVSI/PVGI to suit the demands of any hydraulic system. Versions available with
LX connection, and P and T connections. PVSI and PVGI are all in cast iron.
The generic PVSI/PVGI End and Interface Plates platform includes the following main variants:
PVSI with or without LX-connection
PVSI with P and T connections
PVSI Interface plate•••

PVSI with or without LX connection

PVSI with P and T connections

PVGI Interface plate

Technical data
Max. rated pressure

Oil temperature

Ambient temperature
Oil viscosity

Oil contaminationaccording to ISO 4406

P-port continuous

350 bar[5076 psi]

P-port intermittent

400 bar[5800 psi]T-port static/dynamic

25/40 bar[363/580 psi]

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Recommended-30 to 60°C[-22 to 140°F]

Operating range

12 to 75 mm2/s[65 → 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s

23/19/16

Maximum

23/19/16

For more information about PVSI/PVGI End and Interface Plates, see:
PVSI with or without LX-connection on page 90
PVSI with P and T port connections on page 91
PVGI Interface Plate on page 92© Danfoss | July 2024

BC220686485279en-000603 | 89

Technical Information
PVG 128/256 Technical Information
PVSI/PVGI End and Interface Plates
PVSI with or without LX-connection
The PVSI made of Cast Iron work as an End Plate.
The PVSI with LX connection enables another valves LS pressure to be shuttled to the pump whenneeded.
The LX port treads are with BSP or UNF tread.
Dimensions
207.7

PVSI with or without LX connection

159

148

159

70
44
14.8

44

91.4
138.9
Weight: 7 kg [15.4 lb]

Schematic

P109227

Technical data
Max. rated pressure

P-port continuous

350 bar[5076 psi]

P-port intermittent

400 bar[5800 psi]T-port static/dynamic

25/40 bar[363/580 psi]

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 → 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s

23/19/16

Maximum

23/19/16

Oil temperature

Oil contaminationaccording to ISO 4406

Part numbers for PVSI End Plate with or without LX connection

90 | © Danfoss | July 2024

Part number

LX-portMounting feet

11171419-

M12

11179950

G1/4"BSP

M1211179949

7/16-20 UNF

M12

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVSI/PVGI End and Interface Plates
PVSI with P and T port connections
The PVSI with P and T port connections enables an additional 600 l/min pump flow to a PVG 128/256
valve.
Metric and SAE flange connections as well as BSP and UNF treaded ports.
Dimensions

PVSI with P and T port connections

91.4

159
148
66
70

43.9

89.9

116

14.8

36.5

138.9
167.9
Weight: 7 kg [15.4 lb]

Schematic

P109205

Technical data
Max. rated pressure

Oil temperature

350 bar[5076 psi]

P-port intermittent

400 bar[5800 psi]T-port static/dynamic

25/40 bar[363/580 psi]

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 → 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s

23/19/16

Maximum

23/19/16

Oil contaminationaccording to ISO 4406

© Danfoss | July 2024

P-port continuousPart number

P-portT-portWidth

Mounting
feet

11171418

Metric Flange 1”

Metric Flange 1-1/4”

37 mm

M12

11179952

Thread Ports G1" BSP

Thread Ports G1-1/4" BSP

44 mm

M12

11171421

SAE Flange 1” UNF

SAE Flange 1-1/4” UNF

37 mm

M12

11171416

Thread Ports 1-5/16 UNF

Thread Ports 1-5/8 UNF

44 mm

M12

BC220686485279en-000603 | 91

Technical Information
PVG 128/256 Technical Information
PVSI/PVGI End and Interface Plates
PVGI Interface Plate
The PVGI Interface Plate connects the P-, T-, LS- and Pp-channels in PVB 128/256 to the corresponding
channels in PVB 32 and/or 16 modules. T0 variant featured for PVB 32 modules equipped with T0.
Dimensions

PVGI Interface plate

207.7

159

148

159

70

44
14.8

36.5

91.4
138.9
Weight: 7 kg [15.4 lbs]

Schematic

P109184

Technical data
Max. rated pressure

Oil temperature

92 | © Danfoss | July 2024

P-port continuous

350 bar[5076 psi]

P-port intermittent

400 bar[5800 psi]T-port static/dynamic

25/40 bar[363/580 psi]

Recommended

30 to 60°C

[86 to 140°F]

Minimum-30°C[-22°F]

Maximum

90°[194°F]

Ambient temperature

Recommended-30 to 60°C[-22 to 140°F]

Oil viscosity

Operating range

12 to 75 mm2/s[65 → 347 SUS]

Minimum

4 mm2/s[39 SUS]

Maximum

460 mm2/s

23/19/16

Oil contaminationaccording to ISO 4406

Maximum

23/19/16

Part number

T0

PVGI width

Mounting feet

11171422

No

37 mm

M12

11171423

Yes

37 mm

M12

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVAS
Stay Bolts for PVG128/256 consists of 2 different kits:
1. PVAS containing 2 stay bolts – shall be placed in spec sheet under PVAS1.
2. PVAS containing 3 stay bolts – shall be placed in spec sheet under PVAS2.
Furthermore, o-rings are included in the PVAS kits (no additional part number required).
For valve groups consisting of ONLY PVG128/256 components:
1. Sum the values of the PVG128/256 components using values from Table 1.
2. Find this value in the L column of Table 1.1 & Table 1.2. Record PVAS PNs from PVAS1 and PVAS2
columns.
For combo valve groups consisting of PVG128/256 AND PVG48/32/16:
1. Sum the values of the PVG128/256 components using values from Table 1.
2. Find this value in the L column of Table 1.1. Record PVAS1 PN from PVAS1 column.
3. Sum the values of ALL PVG256/128/48/32/16 components using values from Table 1.
4. Find this value in the L column of Table 1.2. Record PVAS2 from PVAS2 column.
Table 1: Lengths for PVAS Calc
Series

Type

L

PVG
128/256

PVPV256
PVP128 OC
PVP128 OC/CC

4

OC256

68

PVB12866

PVB25686

PVSI256
PVGI256

36

PVB48

56

PVB32
PVBM32
PVBZ32PVSK32PVSKM32
PVSP3248

PVG 48/32/16

PVSPM32
PVB16

40

PVPM4872

PVPM3248

PVSI4823

PVS32
PVSI32
PVST32

23

PVSD322424mm Spacer
PN: 11145036

24

Table 1.1: PVAS1© Danfoss | July 2024

L

PVAS1

L

PVAS1

20-48

11187676

361-37211187658--

373-38411187675--

385-39611187680

BC220686485279en-000603 | 93

Technical Information
PVG 128/256 Technical Information
PVAS
Table 1.1: PVAS1 (continued)
L

PVAS1

L

PVAS1

-

-

-

-

97-10811187320

409-42011187683--

421-43211187686

121-13211187672

433-44411187693--

445-45611187699

-

-

-

-

-

-

469-48011187696

169-18011187617--

181-19211187677

493-504

11187705--

505-51611187691

205-21611187673

517-52811187703--

529-54011187687

229-24011187655

541-55211187688--

553-564

11187697

253-264

11187678

565-57611187692--

577-58811187694

277-28811187681--

289-300

11187656

601-61211187704

301-31211187684

613-62411187690

313-32411187679

625-63611187710--

637-64811187689

337-34811187682

649-660

11187709--

661-67211187695

Table 1.2: PVAS2

94 | © Danfoss | July 2024

L

PVAS2

L

PVAS2

20-48

11188219361-37211188205

49-60

11188218

373-384

157B8026

61-72

157B8000

385-3961118820473-84

11188217397-408

157B8007

97-10811188216

409-42011188203

109-120

157B8001

421-432

157B8027

121-132

11188215

433-44411188202

133-144

157B8021

445-456

157B8008

145-15611188214457-46811188201

157-168

157B8002

469-480

157B8028

169-18011188213

481-492

11188200

181-192

157B8022493-504

157B8009

193-204

11188212505-51611188199

205-216

157B8003

517-528

157B8029

217-228

11188211529-54011188198229-240

157B8023

541-552

157B8010

241-25211188210

553-564

11188197

253-264157B8004

565-576

157B8030

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVAS
Table 1.2: PVAS2 (continued)
L

PVAS2

L

PVAS2

265-27611188209

577-58811188196

277-288

157B8024

589-600

157B8061

289-300

11188208

601-61211188195301-312157B8005

613-624

157B8081

313-32411188207625-63611188194325-336

157B8025

637-648

157B8062

337-34811188206649-660

11188189349-360

157B8006

661-672

157B8082

Example PVG256/128 GroupPVPV256 OC256

PVB256

PVB128PVSI256

L Values from Table 1

4

86

66

36

Sum of PVG128/256

260

PVAS1 from Table 1.111187678

PVAS2 from Table 1.2

157B8004

PVP128 PVB256 PVB128 PVGI25
OC
6

PVB48

PVB32

PVB16

PVSI32

L Values from Table 1

4

56

48

40

23

Sum of PVG128/256

192

Sum of PVG128/256/48/32/16

359

PVAS1 from Table 1.111187677

PVAS2 from Table 1.2

157B8006

68

Example PVG256/128/48/32/16 Group© Danfoss | July 2024

86

66

66

BC220686485279en-000603 | 95

Technical Information
PVG 128/256 Technical Information
PVG Valve Schematics

Valve Schematics
PVG 128/256 Schematic with Basic End Plate

P109254

96 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
PVG Valve Schematics
PVG 128/256 with P- and T-connection end plate

P109255© Danfoss | July 2024

BC220686485279en-000603 | 97

Technical Information
PVG 128/256 Technical Information
Dimension Overview
Dimension Overview for PVG 128/256
PVEO

68 [2.68]

189.4 [7.46]

43.5 [1.71]

349.9 [13.76]

111.3 [4.38]

47.5 [1.87]

100.5 [3.96]

78.5 [3.10]

131 [5.16]

579.1 [22.80]
P109644PVEH

68 [2.68]

189.4 [7.46]
43.5 [1.71]

349.9 [13.76]

99.6 [3.92]

47.5 [1.87]

100.5 [3.96]

78.5 [3.10]

131 [5.16]

567.4 [22.34]
P109645

98 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Dimension Overview
PVHC

68 [2.68]

187.2 [7.37]
43.5 [1.71]

349.9 [13.76]

122.7 [4.83]

100.5 [3.96]

131 [5.16]

78.5 [3.10]

47.5 [1.87]
590.5 [23.25]
P109646

PVG 128/256 Dimensions

105 [4.13]

181 [7.13]

BA

64.5 [2.54]
140.5 [5.53]

8xM12-6HA

B
8xM10-6H
119 [0.47]

28.6 [1.13]

13.9[0.55]© Danfoss | July 2024

25.4
[1.00]P109647

BC220686485279en-000603 | 99

Technical Information
PVG 128/256 Technical Information
Dimension Overview
Number of PVB 256

0

0

1

2

3

4

5

6

7

8

9

-

98.5

164.5

230.5

296.5

362.5

428.5

494.5

560.5

626.5

[in]

-

[3.88][6.48][9.07][11.67][14.27][16.87][19.47][22,07][24.67]

mm

-

176.5

249.5

309.5

382.5

443.5

515.5

576.5

649.5

709.5

[in]

-

[6.95][9.82][12.19][15.06][17.46][20.30][22.70][25.57][27.93]

mm

118.5

184.5

250.5

316.5

382.5

448.5

514.5

580.5

646.5

-

[in]

[4.67][7.26][9.86][12.46][15.06][17.66][20.26][22.85][25.45]

-

mm

200.5

273.5

334.5

406.5

467.5

540.5

600.5

673.5

734.5

-

[in]

[7.89][10.77][13.17][16.00][18.41][21.28][26.64][26.52][28.92]

-

L1

mm

204.5

270.5

336.5

402.5

468.5

534.5

600.5

-

-

-

[in]

[8.05][10.65][13.25][15.85][18.44][21.04][23.64]

-

-

-

L2

mm

285.5

358.5

418.5

491.5

552.5

625.5

685.5

-

-

-

[in]

[11.24][14.11][16.48][19.35][21.75][24.63][26.99]

-

-

-

mm

290.5

356.5

422.5

488.5

554.5

520.5

-

-

-

-

[in]

[11.44][14.04][16.63][19.23][21.83][24.43]

-

-

-

-

mm

370.5

443.5

503.5

576.5

637.5

709.5

-

-

-

-

[in]

[14.59][17.46][19.82][22.70][25.10][27.93]

-

-

-

-

mm

376.5

442.5

508.5

574.5

640.5

-

-

-

-

-

[in]

[14.82][17.42][20.02][22.62][25.22]

-

-

-

-

-

mm

467.5

528.5

600,5

661.5

734.5

-

-

-

-

-

[in]

[18.40][20.81][23.64][26.04][28.92]

-

-

-

-

-

mm

462.5

528.5

594.5

660.5

-

-

-

-

-

-

[in]

[18.21][20.81][23.41][26.00]

-

-

-

-

-

-

mm

552.5

612.5

685.5

746.5

-

-

-

-

-

-

[in]

[21.75][24.11][26.99][29.39]

-

-

-

-

-

-

L1

mm

548.5

614.5

-

-

-

-

-

-

-

-

[in]

[21.59][24.19]

-

-

-

-

-

-

-

-

L2

mm

637.5

697.5

-

-

-

-

-

-

-

-

[in]

[25.10][27.46]

-

-

-

-

-

-

-

-

mm

634.5

-

-

-

-

-

-

-

-

-

[in]

[24.98]

-

-

-

-

-

-

-

-

-

mm

722.5

-

-

-

-

-

-

-

-

-

[in]

[28.44]

-

-

-

-

-

-

-

-

-

L1
L2

1

L1
L2

2

3

L1
L2

4

L1
L2

5

L1
L2

6

7

Number of PVB 128

L1
L2

mm

100 | © Danfoss | July 2024

BC220686485279en-000603

Technical Information
PVG 128/256 Technical Information
Dimension Overview
Specifications example© Danfoss | July 2024

BC220686485279en-000603 | 101

Products we offer:

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
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•
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•

Cartridge valves
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valvesElectric converters
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Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic andelectric components. We specialize in providing state-of-the-art technology and solutions
that excel in the harsh operating conditions of the mobile off-highway market as well as themarine sector. Building on our extensive applications expertise, we work closely with you toensure exceptional performance for a broad range of applications. We help you and othercustomers around the world speed up system development, reduce costs and bring vehicles
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© Danfoss | July 2024

BC220686485279en-000603