EB 2043 EN
Translation of original instructions

Type 2213 Safety Temperature Monitor (STM)
Self-operated Regulators

Edition July 2024

Note on these mounting and operating instructions
These mounting and operating instructions assist you in mounting and operating the device
safely. The instructions are binding for handling SAMSON devices. The images shown inthese instructions are for illustration purposes only. The actual product may vary.
Î For the safe and proper use of these instructions, read them carefully and keep them forlater reference.
Î If you have any questions about these instructions, contact SAMSON‘s After-sales Service(aftersalesservice@samsongroup.com).

Documents relating to the device, such as the mounting and operating instructions, are available on our website at www.samsongroup.com >Downloads > Documentation.

Definition of signal words! DANGER! NOTICE

Hazardous situations which, if not avoided,
will result in death or serious injury

Property damage message or malfunction! WARNING
Hazardous situations which, if not avoided,
could result in death or serious injury

Note
Additional information
Tip
Recommended action

EB 2043 EN

Contents

1
1.1
1.2
1.3

Safety instructions and measures....................................................................5
Notes on possible severe personal injury..........................................................8
Notes on possible personal injury....................................................................9
Notes on possible property damage...............................................................10

2
2.1
2.2
2.3

Markings on the device................................................................................11
Nameplate...................................................................................................11
Location of the nameplates............................................................................11
Material identification number.......................................................................11

3
3.1
3.2

Design and principle of operation.................................................................12
Technical data..............................................................................................14
Process medium and scope of application.......................................................14

4
4.1
4.2
4.3
4.4

Measures for preparation.............................................................................18
Unpacking...................................................................................................18
Transporting and lifting.................................................................................18
Storage........................................................................................................18
Preparation for installation.............................................................................19

5
5.1
5.2
5.3
5.4
5.5
5.5.1
5.6
5.7
5.7.1
5.7.2

Mounting and start-up..................................................................................20
Mounting the safety temperature monitor onto the valve...................................20
Additional fittings..........................................................................................20
Temperature sensor and capillary tube............................................................21
Excess temperature safeguard of the thermostat...............................................22
Electric signal transmitter...............................................................................22
Retrofitting and adjusting a signal transmitter..................................................22
Combination with differential pressure and flow regulators...............................24Start-up........................................................................................................24
Gases and liquids.........................................................................................25
Steam..........................................................................................................25

6
6.1
6.2
6.3
6.4

Operation....................................................................................................25
Adjusting the limit temperature.......................................................................25
Sensor failure...............................................................................................26
Correcting the limit value dial........................................................................26
Fine adjustment of the limit temperature..........................................................26

7
7.1

Servicing.....................................................................................................27
Preparation for return shipment......................................................................28

8

Malfunctions................................................................................................29

EB 2043 EN

Contents

9
9.1
9.2

Decommissioning and removal.....................................................................29
Decommissioning..........................................................................................31
Disposal.......................................................................................................32

10
10.1

Appendix.....................................................................................................32
After-sales service and spare parts.................................................................32

11
11.1

Certificates...................................................................................................33
Information on the UK sales region.................................................................33

EB 2043 EN

Safety instructions and measures

1 Safety instructions and measures
Intended use
The Type 2213 Safety Temperature Monitor (STM) with valve is designed for temperaturemonitoring and control of the energy supply to heat generators (e.g. heat exchangers) byclosing the valve. The connection of an additional control thermostat (e.g. Type 2231)
converts the safety temperature monitor (STM) into a temperature regulator with safety
temperature monitor (TR/STM).
The devices are designed to operate under exactly defined conditions (e.g. operatingpressure, process medium, temperature). Therefore, operators must ensure that the devices
are only used in operating conditions that meet the specifications used for sizing the devices
at the ordering stage. In case operators intend to use the devices in applications orconditions other than those specified, contact SAMSON.
SAMSON does not assume any liability for damage resulting from the failure to use the device for its intended purpose or for damage caused by external forces or any other external
factors.
Î Refer to the technical data and nameplate for limits and fields of application as well as
possible uses.
Reasonably foreseeable misuse
The devices are not suitable for use outside the limits defined during configuration and by thetechnical data. Furthermore, the following activities do not comply with the intended use:
− Use of non-original spare parts− Performing service and repair work not described
Qualifications of operating personnel
The devices must be mounted, started up, serviced and repaired by fully trained and qualified personnel only; the accepted industry codes and practices are to be observed. According to these mounting and operating instructions, trained personnel refers to individuals who
are able to judge the work they are assigned to and recognize possible hazards due to their
specialized training, their knowledge and experience as well as their knowledge of the applicable standards.
Safety features
The Type 2213 Safety Temperature Monitor (STM) is triggered when the sensor system is defective and moves to the fail-safe position.

EB 2043 EN

5

Safety instructions and measures

Personal protective equipment
SAMSON recommends checking the hazards posed by the process medium being used (e.g.
u GESTIS (CLP) hazardous substances database).
− Protective clothing, safety gloves and eye protection in applications with hot, cold and/or
corrosive media− Wear hearing protection when working near the valve. Follow the instructions given by
the plant operator.
− Hard hat− Safety harness, e.g. when working at height− Safety footwear, if applicable ESD (electrostatic discharge) footwear
Î Check with the plant operator for details on further protective equipment.
Revisions and other modifications
Revisions, conversions or other modifications of the product are not authorized by SAMSON.
They are performed at the user's own risk and may lead to safety hazards, for example. Furthermore, the product may no longer meet the requirements for its intended use.
Warning against residual hazards
To avoid personal injury or property damage, plant operators and operating personnel must
prevent hazards that could be caused in the device by the process medium, the operatingpressure or by moving parts by taking appropriate precautions. Plant operators and operating personnel must observe all hazard statements, warnings and caution notes in thesemounting and operating instructions, especially for installation, start-up and service work.
SAMSON also recommends checking the hazards posed by the process medium being used
(e.g. u GESTIS (CLP) hazardous substances database).
Î Observe safety measures for handling the device as well as fire prevention and explosion
protection measures.
These mounting and operating instructions deal with the standard version of the device.
Components of the device that differ to those used for the standard version described in thisdocument can be exchanged with other certain SAMSON components. The residual hazardsof these components are described in the associated mounting and operating instructions(see section 'Referenced documents').

6

EB 2043 EN

Safety instructions and measures

Responsibilities of the operator
Operators are responsible for proper use and compliance with the safety regulations.
Operators are obliged to provide these mounting and operating instructions as well as thereferenced documents to the operating personnel and to instruct them in proper operation.
Furthermore, operators must ensure that operating personnel or third parties are not exposed
to any danger.
Operators are additionally responsible for ensuring that the limits for the product defined in
the technical data are observed. This also applies to the start-up and shutdown procedures.
Start-up and shutdown procedures fall within the scope of the operator's duties and, as such,are not part of these mounting and operating instructions. SAMSON is unable to make any
statements about these procedures since the operative details (e.g. differential pressures andtemperatures) vary in each individual case and are only known to the operator.
Responsibilities of operating personnel
Operating personnel must read and understand these mounting and operating instructions aswell as the referenced documents and observe the specified hazard statements, warnings
and caution notes. Furthermore, operating personnel must be familiar with the applicablehealth, safety and accident prevention regulations and comply with them.
Referenced standards, directives and regulations
The device complies with the requirements of the European Pressure Equipment Directive
2014/68/EU, Machinery Directive 2006/42/EC, Directive 2016 No. 1105 Pressure Equipment (Safety) Regulations 2016 and Directive 2008 No. 1597 Supply of Machinery (Safety)
Regulations 2008. Valves with a CE marking and/or UKCA marking have a declaration ofconformity, which includes information about the applied conformity assessment procedure(see Chapter 11).
Non-electric valve versions whose bodies are not lined with an insulating material coating do
not have their own potential ignition source according to the hazard assessment stipulated in
Clause 5.2 of ISO 80079-36, even in the rare incident of an operating fault. Therefore, suchvalve versions do not fall within the scope of Directive 2014/34/EU.
Î For connection to the equipotential bonding system, observe the requirements specified in
Clause 6.4 of EN 60079-14 (VDE 0165-1).

EB 2043 EN

7

Safety instructions and measures

Referenced documents
The following documents apply in addition to these mounting and operating instructions:− Mounting and operating instructions for valves, e.g. u EB 2111/2121/2123− Mounting and operating instructions for the control thermostats, e.g. u EB 2231
− Mounting and operating instructions for the safety temperature limiter, e.g. u EB 2046

1.1 Notes on possible severe personal injury! DANGER
Risk of personal injury due to process medium escaping.
While removing the control thermostat/safety temperature monitor (STM)/safety temperature limiter (STL) from the valve, the sealed-off valve is opened. Residual process
medium will escape and, depending on its properties, may lead to personal injury,
e.g. (chemical) burns.
Î Depressurize the plant.
Î Do not start up the regulator until all parts have been mounted.
Î Wear protective clothing, safety gloves and eye protection.
Risk of bursting in pressure equipment.
Valves and pipelines are pressure equipment. Improper opening can lead to valve
components bursting.
Î Observe the maximum permissible pressure for regulator and plant.
Î If necessary, a suitable overpressure protection must be installed on site in the plant
section.
Î Before starting any work on the regulator, depressurize all plant sections affected
as well as the regulator.
Î Drain the process medium from the plant sections affected as well as from the regulator.
Î Wear personal protective equipment.

8

EB 2043 EN

Safety instructions and measures

1.2 Notes on possible personal injury! WARNING
Risk of personal injury due to residual process medium in the valve and safety
temperature monitor.
While working on the valve/safety temperature monitor, residual medium can flow outof the valve and, depending on its properties, cause personal injury, e.g. (chemical)
burns.
Î If possible, drain the process medium from the plant sections affected and from thevalve.
Î Wear protective clothing, safety gloves and eye protection.
Risk of burn injuries due to hot or cold components and pipelines.
Depending on the process medium, valve components and pipelines may get very hotor cold and cause burn injuries.
Î Allow components and pipelines to cool down or warm up to the ambient temperature.
Î Wear protective clothing and safety gloves.
Damage to health relating to the REACH regulation.
If a SAMSON device contains a substance listed as a substance of very high concern
on the candidate list of the REACH regulation, this is indicated on the SAMSON delivery note.
Î Information on safe use of the part affectedu https://www.samsongroup.com/en/about-samson/environment-socialgovernance/material-compliance/reach-regulation/

EB 2043 EN

9

Safety instructions and measures

1.3 Notes on possible property damage! NOTICE
Risk of valve damage due to unsuitable medium properties.
The valve is designed for a process medium with defined properties.
Î Only use the process medium specified for sizing the equipment.
Risk of irreparable regulator damage caused by the regulator components being
taken apart.
The safety temperature monitor is an inseparable hydraulic unit consisting of a safety
thermostat, capillary tube and temperature sensor. If these components are dismantled(e.g. removal of the capillary tube), the regulator will be irreparably damaged and will
no longer be able to fulfill its monitoring and control task.
Î Do not dismantle the regulator.
Î Only perform allowed activities on the regulator.
Î Contact SAMSON's After-sales Service before replacing spare parts.
Risk of valve damage due to contamination (e.g. solid particles) in the pipeline.
The plant operator is responsible for cleaning the pipelines in the plant.
Î Flush the pipelines before start-up.
Î Observe the maximum permissible pressure for valve and plant.
Risk of damage to the valve or safety temperature monitor due to over- or under-torquing.
The connection between valve and safety temperature monitor must be tightened with acertain tightening torque.
Excessive tightening torques lead to parts wearing out more quickly. Parts that are tooloose may cause leakage.
Î Observe the specified tightening torques.

10

EB 2043 EN

Markings on the device

2 Markings on the device
The nameplate shown was up to date at the time of publication of this document. The nameplate on the device may differ from the one shown.

2.1 Nameplate
1

7

8

4

3

2

9

5

10 11

14

12

6

ID of the certificationbody

6

7 Nominal size

13

9 Limit range in °C

8 TÜV or DIN number
10 Country of origin
11 –Fig. 1:

1 Type3 Serial number

12 Year of manufacture

Material number/2
configuration ID

4 Limit in °C

13 Month of manufacture

5 DIN tested

14 CE marking

Nameplate of Type 2213 Safety Temperature Monitor

2.2 Location of the nameplates

Location of
the nameplate

Fig. 2:

2.3 Material identification
numberSpecifying the material number, you cancontact SAMSON to find out which material
is used. The material number is specified on
the nameplate (item 2). For more details on
the nameplate, see Fig. 1

Type 2213 Safety Temperature
Monitor (STM)

EB 2043 EN

11

Design and principle of operation

3 Design and principle of operation
See Fig. 3.
The safety temperature monitor (STM) operates according to the liquid expansion principle. The temperature sensor (12), capillary
tube (9) and operating element (8) are filledwith an expansion liquid.
The temperature-dependent change in volume of the liquid in the bulb sensor (12)causes the piston in the operating element(8) to move. As a result, the pin of the operating element (7) moves the plug stem (5)with the plug (3). The temperature limit canbe adjusted by a key (10). This limit value isindicated on the scale (11).
The safety temperature monitor closes thevalve when the temperature reaches the adjusted temperature limit. If the monitored
temperature falls below the adjusted limit
temperature, the safety temperature monitor
opens the valve according to its proportional
component.
Fail-safe position
The spring mechanism in the operating element is released when the capillary tube
breaks or when there is a leak in the sensor.
It moves the plug stem (5) with the plug (3)over the pin (7) and closes and locks thevalve.
Note
The adjusted limit temperature must have aminimum temperature difference of 15 K to
the set point of the temperature regulator.

12

EB 2043 EN

Design and principle of operation

10

1

13
14
2

11

3

5

6

8.3

7

9
8
12

8.1

8.2

1

Valve body

8.2 Signal pin

2

Seat (exchangeable)

8.3 Travel indicator

3

Plug

9

5

Plug stem

10 Key to adjust limit value

6

Coupling nut (150 Nm tightening torque)

11 Scale7

Connecting piece with pin of theoperating element

128Operating element with springmechanism

8.1 Electric signal transmitter
Fig. 3:Capillary tube

Temperature sensor (bulb sensor withthermowell)

13 Leading screw (on customer request)
14 Dial housing

Type 2422/2213 Safety Temperature Monitor (STM) with Type 2422 Globe ValveEB 2043 EN

13

Design and principle of operation

3.1 Technical data
3.2 Process medium and scopeof application
Safety temperature monitoring of the energy
supply to heat generators or heat exchangers by closing the valve.
For limit signals from –10 to 120 °C (14 to
248 °F) · Valves DN 15 to 150 (NPS ½ to10) · PN 16 to 40 (Class 150 to 300) · Max.
350 °C (660 °C)
The Type 2213 Safety Temperature Monitor(STM) with a valve operates without auxiliary energy and is designed for extended safety according to DIN EN 14597. The valve isclosed by a spring mechanism when the temperature reaches the adjusted limit, when thecapillary tube breaks or when leakage occurs in the sensor system. The devices areautomatically reset and put back into operation after the temperature has fallen below
the limit and the fault has been remedied.
When the safety temperature monitor is combined with a Type 2231 to 2234 Control
Thermostat, make sure that there is a minimum difference of approximately +15 K between the adjusted limit temperature of thesafety temperature monitor and the set pointtemperature of the control thermostat.

14

Dimensions and weights
Fig. 4 provides a summary of the dimensions
and weights of the Type 2213 Safety Temperature Monitor as well as the Types 2111,
2422 and 2119 Valves. The lengths andheights in the dimensional drawings areshown on page 17 onwards.
Typetesting
The safety temperature monitor is tested by
the German technical surveillance association TÜV according to DIN EN 14597 under
the type designation 2213. The registration
number is available on request.
Note
Further details and technical data of thevalves and control thermostats are listed in
the following mounting and operating instructions:− Mounting and operating instructions forvalves, e.g. u EB 2111/2121/2123− Mounting and operating instructions forthe control thermostats, e.g. u EB 2231
− Mounting and operating instructions forthe safety temperature limiter, e.g.
u EB 2046

EB 2043 EN

Design and principle of operation

Table 1: Technical data · Type 2213 Safety Temperature Monitor (STM)
Type 2213 Safety Temperature Monitor
Adjustment ranges of limit temperature–10 to +90 °C · +20 to +120 °C(14 to 194 °F · 68 to 248 °F)

Permissible ambient temperature range
at the limit value adjuster–40 to +80 °C(–40 to +176 °F)

Permissible temperature at sensor

100 K above the adjusted limit

Permissible pressure at the sensor
With G 1 thermowell

40 bar (580 psi)

Without thermowell

10 bar (145 psi)
5 m · 10 m 2)
(197 in · 394 in 2))

Capillary tube length 1)
Conformity
1)
2)

·

Special version also in plastic-coated copper
Not tested according to DIN EN 14597

Table 2: Technical data · Types 2111, 2422 and 2119 Valves
Valve
Nominal size

Type 2111, Type 2422 and Type 2119
DN

15

20

Type 2111

25

32

40

50

u T 2121
u T 2133

Pressure rating

Type 2119
Pressure rating
Conformity

EB 2043 EN—

PN 16 to 40

Conformity

Type 2422

100 125 150 200 250—

Type 2119

Type 2111

80

u T 2111

Type 2422

Nominal size

65

·
NPS

½

¾

1

1½

2

·
2½

3

u T 2115

4

6

8

10

——
u T 2025
u T 2134—Class 150 to 300
·

·

15

Design and principle of operation

Table 3: Dimensions in mm and weights
Valve

Type 2111

Nominal size DN

15

20

25

32

40

50

Length L

130

150

160

180

200

230

Without

H1

With

Extension

Weight (PN 16 body) ,approx. kg
2)

4

225 3)/82 1)

225 3)/152 1)

365 3)/—

365 3)/—

4.5

5.5

13

13.5

Valve

—

16
Type 2422

Nominal size DN

15

20

25

32

40

50

65

80

100

125

150

Length L

130

150

160

180

200

230

290

310

350

400

480

H1

Without
With

Extension

Weight (PN 16 body) 2),
approx. kg

225

225

300

355

460

590

365

365

440

495

600

730

5

5.5

6.5

13

13.5

27

32

40

70

113

Nominal size DN

15

20

25

32

40

50

65

80

100

125

150

Length L

130

150

160

180

H2

70

80

85

100

200

230

290

310

350

400

480

105

120

130

140

150

200

210

Valve

H1

Without
With

16
Type 2119

Extension

Weight (PN 16 body) ,approx. kg
2)

235

245

320

355

395

500

375

385

460

495

535

640

71

On request

6

7

8.5

15

17

19

32

50

Type 2213 Safety Temperature Monitor
WeightSTM

5 kg

Thermowell0.5 kgOverall height H
STM

H = H1 + 125

TR/STM

H = H1 + 415

1)Type 2111, valve material EN-GJS-400-18-LT and EN-JL-1040

2)+15 % for PN 25/40

3)Type 2111, valve material 1.0619 and stainless steel

16

EB 2043 EN

Design and principle of operation

Type 2422 Valve andType 2111 Valve (1.0619, stainless steel)Type 2111 Valve(EN-JS1049, EN-JL1040)
L

310

L

H1
H

SW 41

G1

H1

H

SW 46

G1
G1
290

128

199

Type 2119 Valve

Ø25

L
H2

H1
Thermowell for Type 2213
With threaded connection
G 1 for PN 40

Ø28

SW 36

140

325

G1

H

G1

G1

Extension piece(approx. 0.5 kg)
Add approx. 140 mm to the overall height
H1 or H when an extension piece is used.

G1

All dimensions in mm

Fig. 4:

Dimension diagrams of Type 2111/2213 · Type 2422/2213 · Type 2119/2213

EB 2043 EN

17

Measures for preparation

4 Measures for preparation

4.2 Transporting and lifting

After receiving the shipment, proceed as follows:

Due to the low service weight, lifting equipment is not required to lift and transport thesafety temperature monitor (e.g. to mount it
onto the valve).

1. Check the scope of delivery. Compare
the shipment received with the deliverynote.
2. Check the shipment for transportation
damage. Report any damage to SAMSON and the forwarding agent (refer todelivery note).

4.1 Unpacking
Note
Do not remove the packaging until immediately before mounting it onto the valve.
Proceed as follows to lift and mount the device:
1. Remove the packaging from the device.
2. Dispose of the packaging in accordancewith the valid regulations.

Transport instructions− Protect the device against external influences (e.g. impact).
− Protect the device against moisture anddirt.
− Do not damage the corrosion protection(paint, surface coatings). Repair any
damage immediately.
− Observe the permissible ambient temperatures (see Chapter 3.2).

4.3 Storage! NOTICE
Risk of device damage due to improper
storage.
− Observe the storage instructions.
− Avoid long storage times.
− Contact SAMSON in case of different storage conditions or longer storage times.
Note
SAMSON recommends to regularly checkthe device and the prevailing storage conditions during long storage periods.

18

EB 2043 EN

Measures for preparation

Storage instructions− Protect the safety temperature monitor
against external influences (e.g. impact).
− Do not damage the corrosion protection(paint, surface coatings). Repair any
damage immediately.
− Protect the device against moisture anddirt. Store it at a relative humidity of lessthan 75 %. In damp spaces, prevent condensation. If necessary, use a drying
agent or heating.
− Make sure that the ambient air is free ofacids or other corrosive media.
− Observe the permissible ambient temperatures (see Chapter 3.2).
− Do not place any objects on the device.

4.4 Preparation for installation
Proceed as follows:Î Check to ensure that the connection forthe safety temperature monitor at thevalve is clean.
Î Check the safety temperature monitor fordamage.
Î Check to make sure that the typedesignation, pressure rating andtemperature range of the safety
temperature monitor match the plantconditions (nominal size and pressure
rating of the pipeline, medium
temperature etc.).
Î Check any mounted thermometers tomake sure they function.

Tip
Our after-sales service can provide more detailed storage instructions on request.

EB 2043 EN

19

Mounting and start-up

5 Mounting and start-up! NOTICE
Risk of overheating due to excessive
ambient temperatures or insufficient heatdissipation when components are insulated.
Do not include the safety temperature monitor in the insulation of the pipeline.

5.1 Mounting the safety
temperature monitor onto
the valve
See Fig. 3.
The Type 2213 Safety Temperature Monitor
is always installed in combination with avalve as as safety temperature regulator. The
operating element with the spring mechanism (8) can be attached to the valve bodyusing the coupling nut (6) either before or after the valve is installed in the pipeline.
Note
Put the safety temperature monitor into operation after mounting the valve and control
thermostat.
The following points must be observed
during installation:
Î Observe the permissible ambient temperature range from –40 to +80 °C.
Î Make sure that the regulator remains
freely accessible after the plant has been
completed.

20

Î Install the valve in a horizontal pipeline
with the operating element connectionsuspended downward (see Table 2).
! NOTICE
Risk of damage to the valve or safety
temperature monitor due to over- or undertorquing.
The connection between valve and safety
temperature monitor must be tightened witha certain tightening torque. Excessive tightening torques lead to parts wearing out
more quickly. Parts that are too loose may
cause leakage.
Observe the specified tightening torques.

5.2 Additional fittings
Strainer
A strainer installed upstream in the flow pipe
holds back any dirt or other foreign particles
carried along by the medium. For example,
the SAMSON Type 2 NI Strainer is suitable(u T 1015).
The following points must be observed when
installing the strainer:− Do not use the strainer to permanently
filter the process medium.
− Install the strainer upstream of the regulator.
− Allow sufficient space to remove the filter.
− Observe the flow direction through thestrainer.
− In horizontal pipelines with gases or liquids, the filter element faces downward.

EB 2043 EN

Mounting and start-up

The filter element faces sideways in applications with steam.
− Install strainers in vertical pipelines withthe medium flowing upward with thecover facing upward.
Shut-off valve
Install a hand-operated shut-off valve both
upstream of the strainer and downstream of
the regulator. This allows the plant to be shut
down for cleaning and maintenance, andwhen the plant is not used for longer periodsof time.
Thermometer
Install a thermometer both upstream anddownstream of the regulator to monitor thetemperatures prevailing in the plant.

5.3 Temperature sensor andcapillary tube
! NOTICE
Risk of irreparable regulator damage
caused by the regulator components being
taken apart.
Do not separate the safety thermostat fromthe capillary tube or temperature sensor.
Temperature sensor
The temperature sensor may be installed ineither a horizontal or vertical position. However, make sure its entire length is immersedin the process medium to be controlled. It
must be installed in a location where overheating or considerable idling times cannot
occur.

EB 2043 EN− Weld a welding socket with G 1 female
thread at the place of installation.
− Seal the sensor into welded socket.
− When a thermowell is used, SAMSON
recommends filling the free space between sensor and thermowell with oil or,when installed horizontally, with greaseor any other heat transfer medium toavoid delays during heat transmission.
This prevents heat transfer delays. Observe the thermal expansion of the filling
medium. Allow some space for expansion and do not fill the entire free spaceor slightly loosen sensor nut for pressurecompensation.
! NOTICE
Galvanic corrosion due to incorrectly selected materials of the mounting parts.
On installing the sensor or thermowell, only
use similar materials (e.g. stainless steel withstainless steel or copper together with othercopper materials).
Capillary tube
Carefully run the capillary tube (9) without
bending or twisting it. Avoid locations withconsiderable ambient temperature fluctuations along the entire length of the tube.
!! NOTICENOTICEDo not damage or shorten the capillary
tube. Roll up excess tube to form a ring. The
smallest permissible bending radius is
50 mm.

21

Mounting and start-up

5.4 Excess temperature safeguard of the thermostat
Brown: unlocked
Stem projecting out of the housing indicates an excessively highNormal state temperature!

Black
Blue or red 1)
locked1)

Fig. 5:

Fig. 6:

Circuit diagram for signal transmitter

5.5.1

Retrofitting andadjusting a signaltransmitter

Excess temperature indication

The temperature will exceed the adjusted limit if the valve cannot close due to dirt particles lodged between the seat and plug ordue to a defective bellows. In this case, theexcess temperature safeguard responds (seeFig. 5). The stem projecting out of the housing indicates a malfunction.
The valve must be repaired or serviced.

5.5 Electric signal transmitter
The safety temperature monitor can be fittedwith an electric signal transmitter. The signaltransmitter contains a microswitch (max.
load 10 A, 125 V, 250 V) which generates
a signal if the temperature limit is exceededor if the sensor fails (capillary tube is broken).
Wire the microswitch according to Fig. 6.

22

Depending on date of manufacture

See Fig. 7.
Retrofitting a signal transmitter
The electric signal transmitter (order no.
1690-5724) can be fitted as follows:
1. Unfasten the four screws (1) at the connecting part and remove the scale (2).
2. Take the ready-assembled transmitter outof the packaging. Remove the two bolts(5) and nuts (6). Take the switch (3) off
the scale (4).
3. Secure the scale (4) to the connecting
part using the four screws (1), ensuringthat the pointer (7) of the travel stem isable to move in a straight line in the middle of the left window.
4. Align the switch (3) with the scale andsecure the switch to the dial plate byslightly tightening the bolts (5) and nuts
(6).

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Mounting and start-up

Adjusting the signal transmitter
1. Reduce the limit value of the safety temperature monitor by turning the key (10in Fig. 3) until the pointer (7) of the travel
stem reaches the value '0' on the scale.
2. Connect the black and the blue wires ofthe supply cable to a continuity tester ora test lamp.

1

2

3. Move the switch (3) slightly until the test
lamp lights up. Then tighten the bolts (5).
4. For checking purposes, increase the limit
value. The test lamp should go out.
5. Reduce the limit value. The test lampshould light up again when the value '0'
is indicated on the scale.

1

4
6

3

7

5

4

1 Screw

3 Switch

5 Bolts

2 Scale4 Scale6 NutsFig. 7:43
6

5

7 Pointer

Mounting an electric signal transmitter

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Mounting and start-up

5.6 Combination withdifferential pressure andflow regulators
If the safety temperature monitor is used in
combination with Series 42 Differential Pressure and Flow Regulators, a separating
piece must be mounted on the operating element of the safety temperature monitor toconnect the actuator (Types 2424, 2427,
2428 and 2429 with force limiter).
Note
Before installation, remove the snap ring on
the pin of the separating piece.
Table 4: Separating pieces
Version with separating
piece

Order no.

Brass (for water)

1190-9948

Stainless steel (for water)

1590-7703

Stainless steel (for oil)

1590-7704

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5.7 Start-up! DANGER
Risk of personal injury due to process medium escaping.
Do not start up the regulator until all parts
have been mounted.
! WARNING
Risk of burn injuries due to hot or cold components and pipelines.
Depending on the process medium, valve
components and pipelines may get very hotor cold and cause burn injuries.
− Allow components and pipelines to cool
down or warm up to the ambient temperature.
− Wear protective clothing and safety gloves.
! NOTICE
Malfunction and damage due to adverse
weather conditions (temperature, humidity).
Do not install the safety temperature monitor
outdoors or in rooms prone to frost. If such alocation cannot be avoided, protect the regulator against freezing up if the process medium flowing through the valve can freeze
up. Either heat the regulator or remove itfrom the plant and completely drain the residual medium.

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Operation! NOTICE

6 Operation

Risk of the valve being destroyed by steam
hammering.
− Drain off any condensate in the pipeline.
− Vent the plant.

See Fig. 3.

Î Fill the plant very slowly with the process
medium on start-up.

To adjust a different limit temperature in thesafety temperature monitor, proceed as follows:

Once the safety temperature monitor ismounted onto the valve, it can be put into
operation.

5.7.1

Gases and liquidsÎ Open the shut-off valves slowly preferably starting from the upstream pressureside.
Î Avoid pressure surges.

5.7.2

Steam

Î Completely drain and dry steam lines toprevent water hammering.
Î Slowly allow the steam to enter the plant
to ensure that the pipes and valves warm
up evenly and to avoid excessive flow
velocities.
Î Before the full capacity is reached, drain
off the start-up condensate.

6.1 Adjusting the limit
temperature

1. If the optional leading screw (13) is used,unscrew it upwards.
2. Use the key (10) to adjust the new limit
value according to the dial. Slowly turnthe key clockwise () to increase the limit temperature and counterclockwise ()to reduce it.
3. Lift off the key (10) and screw the leading screw back into the housing, if applicable.
Note
When the safety temperature monitor is
combined with a Type 2231 to 2234 Control
Thermostat, make sure that there is aminimum difference of approximately +15 K
between the adjusted limit temperature of thesafety temperature monitor and the set pointtemperature of the control thermostat.

Î Make sure that the air contained in theplant escapes as quickly as possible.
Î Open the shut-off valves slowly preferably starting from the upstream pressureside.
Î Avoid pressure surges.

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Operation

6.2 Sensor failure
Indication of a defective sensor
In the event of a defective sensor (e.g. leakage in the sensor system), the green signal
pin (8.2) disappears into the housing. In thenormal state, the pin sticks out over the housing by approximately 1.5 cm.

6.3 Correcting the limit value
dial
Due to ambient and temperature conditions,the adjusted limit temperature might not be
the same as the temperature indicated by thereference thermometer.
To correct, proceed as follows:
1. Undo the screw labeled "Korrektur" on
the back of the dial housing (14).
2. Turn the entire dial housing until the dialshows the same temperature as the reference thermometer.
Turn clockwise () to increase the limit
and counterclockwise () to reduce it(viewed from the front with the dial housing on top).
A 360° turn corresponds to a limitchange of approx. 1.5 K.

6.4 Fine adjustment of the limit
temperature
In case you want to make fine adjustments tothe safety temperature monitor or the limit
value deviates, proceed as follows:

26

Fine adjustment using a heating bath
1. Remove the sensor from the pipeline (seeChapter 9.1).
2. Adjust the limit temperature of the safety
temperature monitor to approx. 10 K below the required limit (see Chapter 6.1).
3. When a control thermostat is mounted
on the safety temperature monitor, adjust
the limit temperature to approx. 10 °C
above the limit temperature.
4. Immerse the sensor of the safety temperature monitor completely into theheating bath with the correct temperature.
5. Check whether the safety temperaturemonitor has closed the valve (after approx. 5 min.). The travel indicator (8.3)
must be at '0'.
6. When the valve is still open:
slowly turn the key (10) at the safety temperature monitor clockwise (P) to increase the limit until the valve closes.
When the valve is closed:
turn the rotary knob clockwise (P) three
more times.
7. To calibrate the limit reading to the limit
temperature, perform a correction (seeChapter 6.3).
8. When a control thermostat is mounted,
readjust it to the required set point.
9. Reinstall the sensor into the pipeline (seeChapter 5.3).

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Servicing

Fine adjustment using a thermometer installed in the plant
1. Adjust the limit temperature of the safety
temperature monitor to approx. 10 K below the required limit (see Chapter 6.1).
2. When a control thermostat is mounted
on the safety temperature monitor, adjust
the limit temperature to approx. 10 °C
above the limit temperature.
3. Read the resulting temperature at thethermometer installed in the plant (after
approx. 5 min.).
4. When the limit temperature is still too
low:
slowly turn the key (10) at the safety temperature monitor clockwise (P) to increase the limit until the temperature at
the thermometer reaches and remains at
the limit temperature.
After the temperature reaches the limit
temperature:
turn the rotary knob clockwise (P) three
more times.
5. To calibrate the limit reading to the limit
temperature, perform a correction (seeChapter 6.3).

7 Servicing
The safety temperature monitor does not require any maintenance. Nevertheless, it issubject to natural wear, particularly at thesoldered joints.
! WARNING
Risk of personal injury due to residual
process medium in the valve.
While exchanging the safety temperaturemonitor, residual process medium can escape and, depending on its properties, may
lead to personal injury, e.g. (chemical)
burns.
Wear protective clothing, safety gloves andeye protection.
! WARNING
Risk of burn injuries due to hot or cold
components and pipeline.
Valve components and the pipeline may become very hot or cold. Risk of burn injuries.
− Allow components and pipelines to cool
down or warm up to the ambient temperature.
− Wear protective clothing and safety gloves.

6. When a control thermostat is mounted,
readjust it to the required set point.

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27

Servicing! NOTICE
Risk of damage to the valve or safety
temperature monitor due to over- or undertorquing.
The connection between valve and safety
temperature monitor must be tightened witha certain tightening torque. Excessive tightening torques lead to parts wearing out
more quickly. Parts that are too loose may
cause leakage.
Observe the specified tightening torques.
Note
The safety temperature monitor was checkedby SAMSON before it left the factory.
− Certain test results certified by SAMSON
lose their validity after the safety temperature monitor is opened.
− The certification according to
DIN EN 14597 loses its validity when thesafety temperature monitor is opened.

7.1 Preparation for return shipment
Defective devices can be returned to SAMSON for repair. Proceed as follows to returndevices to SAMSON:
1. Put the device out of operation (seeChapter 9).
2. Decontaminate the valve. Remove any
residual process medium.
3. Fill in the Declaration on Contamination.
The declaration form can be downloaded
from our website atwww.samsongroup.com > Services >Check lists for after sales service >Declaration on Contamination.
4. Continue as described on our website atu www.samsongroup.com > Service >After-sales Service > Returning goods.

Tip
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.

28

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Malfunctions

8 Malfunctions
The malfunctions listed in Table 5 are causedby mechanical faults and incorrect regulator
sizing. In the simplest case, the functioning
can be restored following the recommended
action. Special tools may be required for repair work.
Exceptional operating and installation conditions may lead to changed situations that
may affect the control response and lead tomalfunctions. For troubleshooting, the conditions, such as installation, process medium,
temperature and pressure conditions, must
be taken into account.
SAMSON's After-sales Service can help
during troubleshooting. Further information
is available in Chapter 10.
Tip
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.
Note
Contact SAMSON's After-sales Service for
malfunctions not listed in the table.
Note
If the hydraulic system of the Type 2213 is
defective (pressure loss), the STM cannot be
unlocked as a result. It must be replaced witha new device.

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9 Decommissioning andremoval! DANGER
Risk of bursting in pressure equipment.
Valves and pipelines are pressure equipment. Improper opening can lead to burstingof the valve.
− Before starting any work on the valve, depressurize all plant sections affected aswell as the valve.
− Drain the process medium from the plant
sections affected as well as from the valve.
− Wear personal protective equipment.
! DANGER
Risk of personal injury due to process medium escaping.
While removing the control thermostat/safety temperature monitor (STM)/safety
temperature limiter (STL) from the valve, thesealed-off valve is opened. Residual process
medium will escape and, depending on its
properties, may lead to personal injury, e.g.
(chemical) burns.
− Depressurize the plant.
− Wear protective clothing, safety gloves andeye protection.

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Servicing

Table 5: Troubleshooting
Malfunction

Temperature exceeds theadjusted limit.

The temperature adjusted at thecontrol thermostat reaches theadjusted temperature limit.

Temperature drops below the set
point adjusted at the control
thermostat.

Possible reasons

Recommended action

Temperature sensor
installed in the wrong
location.

Î Install the temperature sensor into the pipeline insuch a way that the heat flow is correctly
measured.

Foreign particles blocking
the valve plugÎ Remove foreign particles.

Valve trim is worn out.

Î Replace damaged parts.

Control thermostat
defectiveÎ Replace the control thermostat.

Valve installed against theflow.

Î Install the valve so that the direction of flow
matches the direction indicated by the arrow on
the body.

Foreign particles blocking
the valve plugÎ Remove foreign particles.

Temperature sensor
installed in the wrong
location.

Î Install the temperature sensor into the pipeline insuch a way that the heat flow is correctly
measured.

Valve or KVS/CV
coefficient too small
Strainer blocked
Safety temperaturemonitor has been
triggered.

Jerky control response.

Î Replace damaged parts.

Increased friction, e.g.
due to foreign particles
between seat and plug.

Î Replace damaged parts.

Î Check the sizing.
Î Change KVS/CV coefficient, if necessary or installa different sized regulator.
Î Clean the strainer.
Î Check temperature regulator to ensure it
functions.
Î Check the set point of the control thermostat.
Î Replace the defective STM, if necessary.
Î Remove foreign particles.
Î Replace damaged parts.
Î Check the sizing.

Temperature fluctuates.

Leak at the joint between thevalve and STM.

30

Valve too large

Î Change KVS/CV coefficient, if necessary or installa different sized regulator.

Temperature sensor
installed in the wrong
location.

Î Install the temperature sensor into the pipeline insuch a way that the heat flow is correctly
measured (avoid dead times).

Seal is defectiveÎ Replace damaged parts.
Î Contact SAMSON's After-sales Service.

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Decommissioning and removal! WARNING
Risk of personal injury due to residual process medium in the valve and safety temperature monitor.
While working on the valve/safety temperature monitor, residual medium can flow outof the valve and, depending on its properties, cause personal injury, e.g. (chemical)
burns.
Wear protective clothing, safety gloves andeye protection.
! WARNING
Risk of burn injuries due to hot or cold components and pipeline.
Valve components and the pipeline may become very hot or cold. Risk of burn injuries.
− Allow components and pipelines to cool
down or warm up to the ambient temperature.
− Wear protective clothing and safety gloves.

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9.1 Decommissioning
To decommission the safety temperaturemonitor before removing it, proceed as follows:
1. Close the shut-off valve on the upstreamside of the valve.
2. Close the shut-off valve on the downstream side of the valve.
3. Completely drain the pipelines andvalve.
4. Depressurize the plant. Shut off or disconnect the control line, if installed.
5. If necessary, allow the pipeline and device to cool down or warm up to the ambient temperature.
6. Remove the sensor from the pipeline
and, if necessary, seal the opening.
7. Remove the safety temperature monitor
from the valve.

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Appendix

9.2 Disposal
SAMSON is a producer
registered at the following
European institution
u https://www.ewrn.org/
national-registers/nationalregisters.
WEEE reg. no.:DE 62194439/FR 025665

Î Observe local, national and international refuse regulations.
Î Do not dispose of components, lubricantsand hazardous substances together withyour other household waste.
Note
SAMSON can provide you with a recycling passport according to PAS 1049
on request. Simply e-mail us ataftersalesservice@samsongroup.com giving
details of your company address.
Tip
On request, SAMSON can appoint a service
provider to dismantle and recycle the product.

10 Appendix
10.1 After-sales service andspare parts
After-sales service
Contact SAMSON's After-sales Service forsupport concerning service or repair work or
when malfunctions or defects arise.
E-mail address
You can reach our after-sales service ataftersalesservice@samsongroup.com.
Addresses of SAMSON AG and its subsidiaries
The addresses of SAMSON, its subsidiaries,
representatives and service facilities
worldwide can be found on our website(u www.samsongroup.com) or in all
SAMSON product catalogs.
To assist diagnosis and in case of an unclear
mounting situation, specify the following details (so far as possible). See Chapter 2:− Device type and nominal size
− Model number or material number− Upstream and downstream pressure− Temperature and process medium− Min. and max. flow rate
− Is a strainer installed?
− Installation drawing showing the exact
location of the regulator and all the additionally installed components (shut-off
valves, pressure gauge etc.)32

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Certificates

Spare parts
There are no spare parts available for thesafety temperature monitor.

11 Certificates
The EU and UKCA declarations of conformity are included on the next pages.

11.1 Information on the UK
sales region
The following information corresponds to thePressure Equipment (Safety) Regulations
2016, STATUTORY INSTRUMENTS,
2016 No. 1105 (UKCA marking). It does
not apply to Northern Ireland.
Importer
SAMSON Controls Ltd
Perrywood Business Park
Honeycrock Lane
Redhill, Surrey RH1 5JQ
Phone: +44 1737 766391
E-mail: sales-uk@samsongroup.com
Website: uk.samsongroup.com

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33

Module D, No. / N° CE-0062-PED-D-SAM 001-22-DEU
For the following products, SAMSON hereby declares under its sole responsibility:
Safety Temperature Monitor STM 2213
combined with valves
2111, 2114, 2118, 2119, 2421, 2422, 2423, 2423E, 2710 (2803, 2811, 2814, 2823)
the conformity with the following requirement.
Directive of the European Parliament and of the Council on 2014/68/EU
the harmonization of the laws of the Member States relatingof the making available on the market of pressure equipment.

of 15 May 2014

EC Type Examination Certificate

Module B

Certificate no.
01 202 931-B-15-0032

Conformity assessment procedure applied

Module D

Certificate no.
CE-0062-PED-D-SAM-001-22DEU

The design is based on the procedures specified in the following standards:
DIN EN 12516-2, DIN EN 12516-3 or ASME B16.1, ASME B16.24, ASME B16.34, ASME B16.42
The manufacturer’s quality management system is monitored by the following notified body:

Bureau Veritas Services SAS, 8 Cours du Triangle, 92800 PUTEAUX – LA DEFENSE, France
Manufacturer: SAMSON AG, Weismüllerstraße 3, 60314 Frankfurt am Main, Germany

Frankfurt am Main, 01. December 2022

Norbert Tollas
Senior Vice President
Global OperationsPeter Scheermesser
Director
Product Maintenance & Engineered Products

Revision 05
Classification: Public · SAMSON AKTIENGESELLSCHAFT · Weismuellerstrasse 3 · 60314 Frankfurt am Main, Germany

34

Seite 1 von 1

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EU Konformitätserklärung / EU Declaration of Conformity /Déclaration UE de conformité
Die alleinige Verantwortung für die Ausstellung dieser Konformitätserklärung trägt der Hersteller/
This declaration of conformity is issued under the sole responsibility of the manufacturer/
La présente déclaration de conformité est établie sous la seule responsabilité du fabricant.
Für das folgende Produkt / For the following product / Nous certifions que le produit

Sicherheitstemperaturwächter / Safety Temperatur Monitor /Contrôleur de température de sécurité
Typ/Type/Type 2213
wird die Konformität mit den einschlägigen Harmonisierungsrechtsvorschriften der Union bestätigt /the conformity with the relevant Union harmonisation legislation is declared with/
est conforme à la législation d'harmonisation de l'Union applicable selon les normes:

EN 61000-6-2:2005, EN 61000-6-3:2007+A1:2011, EN 61326-1:2013

EMC 2014/30/EU
LVD 2014/35/EU

EN 60730-1:2016, EN 61010-1:2010

RoHS 2011/65/EU

EN 50581:2012

Hersteller / Manufacturer / Fabricant:
SAMSON AKTIENGESELLSCHAFT
Weismüllerstraße 3D-60314 Frankfurt am Main
Deutschland/Germany/Allemagne

ce_2213-0_de_en_fra_rev07.pdf

Frankfurt / Francfort, 2017-07-29
Im Namen des Herstellers/ On behalf of the Manufacturer/ Au nom du fabricant.

Gert Nahler
Zentralabteilungsleiter/Head of Department/Chef du département
Entwicklung Automation und Integrationstechnologien/
Development Automation and Integration Technologies

SAMSON AKTIENGESELLSCHAFT
Weismüllerstraße 3 60314 Frankfurt am Main

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Hanno Zager
Leiter Qualitätssicherung/Head of Quality Managment/
Responsable de l'assurance de la qualité

Telefon: 069 4009-0 · Telefax: 069 4009-1507
E-Mail: samson@samson.de

Revison 07

35

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SAMSON AKTIENGESELLSCHAFT
Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany
Phone: +49 69 4009-0 · Fax: +49 69 4009-1507
samson@samsongroup.com · www.samsongroup.com

2024-08-20 · English

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