Technical Information

Hydrostatics
External Remote Charge Pressure Filter

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Technical Information
External Remote Charge Pressure Filter

Revision history

Table of revisions
DateChanged

Rev

November 2021 Changed document number from 'BC00000064' and '11064579' to 'BC152886484487'; added 0304
MP1 to compatibility list
August 2019

Corrected long filter number0202

March 2014

Converted to Danfoss layout - DITA CMS

0201

November 2010 Minor update

2 | © Danfoss | November 2021

ABBC152886484487en-000304

Technical Information
External Remote Charge Pressure Filter
Contents
General Information
Introduction........................................................................................................................................................................................4Features................................................................................................................................................................................................4
System Design Parameters
Filtration...............................................................................................................................................................................................5
Operating pressure.......................................................................................................................................................................... 7
Differential pressure and ß-ratio.................................................................................................................................................7
Bypass valve and bypass sensor..................................................................................................................................................7
Bypass sensor clearance.............................................................................................................................................................. 10Dimensions.......................................................................................................................................................................................12© Danfoss | November 2021

BC152886484487en-000304 | 3

Technical Information
External Remote Charge Pressure Filter
General Information
Introduction
For more than 40 years, Danfoss has been developing state-of-the-art components and systems formobile machinery used in off‑highway operations around the world. We have become a preferredsupplier by offering the best of what really matters: The hardware inside your vehicle application.
Features•••

Common filter head3 different filter sizes
Compatible with‒ H1P‒‒‒‒••

4 | © Danfoss | November 2021

S90S42S40
MP1Integrated functionality‒ Bypass valve‒ Electric contamination indicator
Servicebility‒ No extra space for element replacement needed, (side way removal possible)

BC152886484487en-000304

Technical Information
External Remote Charge Pressure Filter
System Design Parameters
Filtration
Remote charge pressure filtration
The remote pressure filter head is designed with a filter bypass valve and noncontacting bypass sensor.
The pressure differential acting on the filter element also acts on a spring biased bypass spool. This spool
is designed with a magnetic area. When a certain spool position is reached, the magnet closes a switch inthe bypass sensor which allows R2 to be in parallel with R1. This occurs without any mechanical contact
between the spool and the bypass sensor.
The position of the bypass spool is indicated by the change in the measured sensor
resistance. The change in resistance occurs when R2 is switched in and out of the circuit. When the filter is
not being bypassed, the nominal measured resistance is 510 ohms. When the switch is closed, thenominal measured resistance is 122 ohms.
The bypass spool is designed so the bypass sensor switch will be closed before oil bypasses the filter
element. This gives the machine operator an indication that the filter is very close to bypassing and afilter replacement is required.
For cold start conditions, it is typical that the filter may bypass for a short amount of time while the oil iswarming up. At normal operating oil temperatures, a system that does not yet need a filter replacement
will operate in the non-bypass mode. The addition of an oil temperature sensor and additional control
logic, is recommended to properly determine if a filter replacement is required.
Technical data, pressures
Filter bypass sensor switch closure∆p 3.7 - 5.1 bar [54 - 74 psi]

Bypass valve∆p 5.6 ± 0.9 bar [80 ± 13 psi]

T000 159E

Technical data, electricMax. voltage

48 V

Max. power

0.6 W

Switch open

510 Ω

Switch closed

122 ΩResistor tolerance

1%

Temperature range-20 °C ÷ +100 °C [-4 °F ÷ +212 °C]

IP Rating (IEC 60 529) + DIN 40 050, part 9 with matingconnector

IP 69K

T000 160E

Integral filter head with filter bypass sensors
FilterelementFilter
bypass sensor
Bypass spool

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters
Schematic
M6

1

Bypass sensor
open

2

R2

R1

Bypass valve
closedConnector
Deutsch DTM04-2PoutinP003 195

M6
9/16 -18
before filter (upstream)

P003 198E

PinoutPinDescription

1Voltage

2GroundT000 162E

Alternative pinoutPinDescription

1Ground

2Voltage

T000 163E

Pin location

12P003 186

For device electrical schematic, see Schematic, page 5.
H1 Filter bypass sensor mating connector parts list
Description

Quantity

Ordering numberMating connector

1

Deutsch DTM06-2S

Secondary wedge lock1

Deutsch WM-2SSocket terminal

2

Deutsch 0462-201-20141

Danfoss mating connector kit

111031205

T000 164E

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters
Operating pressure
Unit
Maximum working pressure

bar [psi]

Maximum pressure (cold start)

45 [653]
55 [798]

Differential pressure and ß-ratio
Nominal fl ow at 30 mm2/s and Δp 0.5 bar [7.3 psi] (clean fi lter elementonly)

Min β ratio

Short60 l/min

β7.5 (c) = 75 (β5 (c) ≥ 10)

Medium80 l/minLong

105 l/min

Bypass valve and bypass sensor
A common spool is used to activate both the bypass sensor and bypass function leading to the assurance
that the bypass sensor will be closed before the bypass is engaged. The bypass sensor occurs at a filter
pressure drop of 4.4 +/-0.7 bar. The minimum pressure drop between bypass sensor and open bypass is1.0 bar.
Bypass sensor
Diffential pressure [bar]Bypass sensor engages at

4.4 +/- 0.7

T301 041E

Bypass valve function
The bypass valve opens at 1.2 bar +- 0.2 bar above bypass sensor engagement pressure.

© Danfoss | November 2021

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters

Differential pressure a cross filter (bar)Pressuredp [bar]86

1.2 +/-0.2
above bypass
sensor "closed"

5.14.4+/-0.7
nominal
4
3.7

20020

Bypasssensor closed40

Bypass valve
60
opens

80

100
P301 284

Bypass valve spool movement

M6

1Bypass sensor
closed2

R2

R1

Bypass valve
fully open

UpstreamfilterFilter element
completly
blockedoutinDownstream
filterBypass valve closed
Bypass sensor open
P301 303

P301 285

M61

Bypass valve closed
Bypass sensor closed

M6

Bypass sensor
open

2

1

2
R1

R2

R2

R1

P301 304

Bypass sensor
closedBypass valve
closedBypass valve
closedin

Bypass valve fully open
Bypass sensor closedoutP003 195inP301 286

outP301 302

Filter Bypass Valve Characteristic (completely blocked Filter element)
Below diagramm shows the differental pressure between filter “in” and “out” with a filter element
completely blocked, so that all flow runs across the filter bypass valve.
8 | © Danfoss | November 2021

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters
Remote filter 11001484, short, 60 l/min, and 11001485, medium 80 l/min
Bypass valve fully open, blocked filter element²/s
450mmmm001010Differential pressure across fil ter [bar](blocked filter element measured between M6 and M3)²/s

12130mm

²/s

30mm

²/s

864200204060
Flow [lpm]M6180100120P301 305

Bypass sensor
closed2R2R1

Bypass valve
fully open

Filter element
completly
blockedinout
P301 285© Danfoss | November 2021

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters
Remote filter 11048860, long, 105 l/min
Bypass valve fully open, blocked filter elementmm00

10mm50²/s

130410Differential pressure across fil ter [bar](blocked filter element measured between M6 and M3)

²/s

12mm

²/s
30mm

²/s

864200204060
Flow [lpm]

M6180

100

120
P301 306

Bypass sensor
closed2R2R1

Bypass valve
fully open

Filter element
completly
blockedinout
P301 285

Bypass sensor clearance
The bypass sensor is activated by the magnetic bypass valve. For proper function it is required to have nosteel parts around the sensor within in below radius. No steel parts are allowed within a radius of 150 mm[5.91 in]. Moving steel devices or parts are not allowed within a radius of 250 mm [9.84 in].

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters37[1.46]mm[in]

250 min[9.84]
38[1.50]

150 min[5.91]
P003 356E© Danfoss | November 2021

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Technical Information
External Remote Charge Pressure Filter
System Design Parameters
DimensionsL120[4.72]
96±0,1[3.78±0.004]

12±0.1[0.47±0.004]

25±0.1[0.98±0.004](2x) ′8.5
[0.335]

Short + Medium
Filter assembly
48.5±0.1[1.91±0.004]′95 max.
[3.74]

168.6[6.64]

Filtration Out
7/8 -14
Filtration In
7/8 -14

SW 24

M6Before filter (upstream)
9/16 -18

mm
[in]

132.0
[5.20]
116.0±0,1[4.57±0.004](2x) ′8.5[0.335]31.0±0.1[1.22±0.004]
8.0±0.1[0.32±0.004]

Long
Filter assembly′95 max.
[3.74]

180.6[7.11]L

SW 24

Connector
Deutsch DTM04-2P
Pin connection: any order

Filtration Out
1 1/16 -1261.0±0.1[2.40±0.004]

Filtration In
1 1/16 -12P003 233E

Element replacement

Filter assembly

12 | © Danfoss | November 2021

In and out
port size

L max.
mm [inch]

Replacement element

Short

11001484

7/8 -14205 [8.07]

11004917

Medium

11001485

7/8 -14233 [9.17]

11004918

Long11048860

1 1/16 -12

292 [11.49]

11004919

BC152886484487en-000304

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© Danfoss | November 2021

BC152886484487en-000304