Samson EB 2519 EN Guide de référence rapide

Translation of original instructions

EB 2519 EN

Pressure limiters (PL) with a Type2401-2 Pressure Element and safe-

ty pressure limiters (SPL) with a Type2401-1 Pressure Element

For mounting on self-operated regulators

Edition June 2022

Definition of signal words

Hazardous situations which, if not avoided,

will result in death or serious injury

Hazardous situations which, if not avoided,

could result in death or serious injury

Property damage message or malfunction

Additional information

Recommended action

DANGER

WARNING

NOTICE

Note

Tip

EB 2519 EN

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 in

these instructions are for illustration purposes only. The actual product may vary.

ÎFor the safe and proper use of these instructions, read them carefully and keep them for

later reference.

ÎIf 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 >

Service & Support > Downloads > Documentation.

Contents

EB 2519 EN

1 Safety instructions and measures ...................................................................5

1.1 Notes on possible severe personal injury .........................................................7

1.2 Notes on possible personal injury ...................................................................7

1.3 Notes on possible property damage................................................................8

2 Markings on the device .................................................................................9

2.1 Nameplate of the pressure element..................................................................9

2.2 Valve nameplate ............................................................................................9

3 Design and principle of operation ................................................................10

3.1 Versions ......................................................................................................10

3.2 Technical data .............................................................................................12

4 Measures for preparation............................................................................15

4.1 Unpacking ..................................................................................................15

4.2 Transporting and lifting ................................................................................15

4.2.1 Transporting ................................................................................................16

4.2.2 Lifting..........................................................................................................16

4.3 Storage.......................................................................................................17

4.4 Preparation for installation............................................................................17

5 Mounting and start-up.................................................................................18

5.1 Mounting the pressure limiter on the valve......................................................18

5.2 Mounting the safety pressure limiter onto the valve .........................................19

5.3 Connecting the capillary tube........................................................................20

5.4 Installing the valve into the pipeline ...............................................................20

5.4.1 Mounting orientation....................................................................................20

5.4.2 Additionalttings.........................................................................................21

5.4.3 Installing the valve........................................................................................21

6 Operation...................................................................................................22

6.1 Adjusting the limit........................................................................................22

6.2 Unlocking after a fault..................................................................................23

6.2.1 Unlocking the pressure limiter .......................................................................23

6.2.2 Unlocking the safety pressure limiter..............................................................23

7 Servicing.....................................................................................................24

7.1 Preparation for return shipment.....................................................................24

7.2 Ordering spare parts and operating supplies .................................................24

4 EB 2519 EN

8 Decommissioning and removal ....................................................................25

8.1 Decommissioning.........................................................................................25

8.2 Removing the valve from the pipeline.............................................................25

8.3 Disposal......................................................................................................26

9 After-sales service .......................................................................................26

10 Certicates..................................................................................................27

EB 2519 EN 5

Safety instructions and measures

1 Safety instructions and measures

Intended use

Thepressurelimiter(PL)withType2401-2PressureElementandsafetypressurelimiter(SPL)

withType2401-1PressureElementareusedtolimitthemaximumpressureinheatgenera-

torsorheatexchangersbyclosingandlockingamountedvalve.Whenequippedwithaty-

petested control thermostat or safety thermostat, the device is also used to limit the tempera-

ture.

Thedeviceisdesignedtooperateunderexactlydenedconditions(e.g.operatingpressure,

process medium, temperature). Therefore, operators must ensure that the device is only used

inoperatingconditionsthatmeetthespecicationsusedforsizingthedeviceattheordering

stage. In case operators intend to use the device in applications or conditions other than

thosespecied,contactSAMSON.

SAMSON does not assume any liability for damage resulting from the failure to use the de-

viceforitsintendedpurposeorfordamagecausedbyexternalforcesoranyotherexternal

factors.

ÎRefertothetechnicaldataandnameplateforlimitsandeldsofapplicationaswellas

possible uses.

Reasonably foreseeable misuse

Thedeviceisnotsuitableforuseoutsidethelimitsdenedduringcongurationandbythe

technical 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

Qualications of operating personnel

Thedevicemustbemounted,startedup,servicedandrepairedbyfullytrainedandqualied

personnel only; the accepted industry codes and practices must 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spe-

cializedtraining,theirknowledgeandexperienceaswellastheirknowledgeoftheapplica-

ble standards.

6 EB 2519 EN

Safety instructions and measures

Personal protective equipment

Werecommendcheckingthehazardsposedbytheprocessmediumbeingused(e.g.

uGESTIS(CLP)hazardoussubstancesdatabase).

ÎProvide protective equipment (e.g. safety gloves, eye protection) appropriate for the pro-

cess medium used.

ÎCheck with the plant operator for details on further protective equipment.

Revisions and other modications

Revisions,conversionsorothermodications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.Fur-

thermore, the product may no longer meet the requirements for its intended use.

Warning against residual hazards

To avoid personal injury or property damage, operators and operating personnel must pre-

venthazardsthatcouldbecausedinthedevicebytheprocessmediumandoperatingpres-

sure by taking appropriate precautions. Plant operators and operating personnel must ob-

serveallhazardstatements,warningandcautionnotesinthesemountingandoperatingin-

structions, especially for installation, start-up and service work.

Wealsorecommendcheckingthehazardsposedbytheprocessmediumbeingused(e.g.

uGESTIS(CLP)hazardoussubstancesdatabase).

ÎObservesafetymeasuresforhandlingthedeviceaswellasrepreventionandexplosion

protection measures.

Responsibilities of the operator

Operators are responsible for proper use and compliance with the safety regulations. Opera-

tors are obliged to provide these mounting and operating instructions as well as the refer-

enced documents to the operating personnel and to instruct them in proper operation. Fur-

thermore,operatorsmustensurethatoperatingpersonnelorthirdpartiesarenotexposedto

any danger.

Responsibilities of operating personnel

Operating personnel must read and understand these mounting and operating instructions as

wellasthereferenceddocumentsandobservethespeciedhazardstatements,warnings

and caution notes. Furthermore, operating personnel must be familiar with the applicable

health, safety and accident prevention regulations and comply with them.

EB 2519 EN 7

Safety instructions and measures

Referenced standards, directives and regulations

The devices comply with the requirements of the European Pressure Equipment Directive

2014/68/EU. Devices with a CE marking have an EU declaration of conformity, which in-

cludes information about the applied conformity assessment procedure. The EU Declaration

of Conformity is available on request.

Referenced documentation

The mounting and operating instructions of the mounted valve apply in addition to these

mounting and operating instructions.

1.1 Notes on possible severe personal injury

DANGER

Risk of bursting in pressure equipment.

The valve and pressure element are pressure equipment. Improper opening can lead to

device components bursting.

In the installed state, the spring in the operating element is preloaded. Incorrect dis-

mantling will release a high amount of energy, which may lead to serious injury.

ÎDo not dismantle the device.

ÎContact SAMSON's After-sales Service for support concerning maintenance or re-

pairworkorwhenmalfunctionsordefectsarise(seesection9).

1.2 Notes on possible personal injury

WARNING

Risk of personal injury due to residual process medium in the valve.

Whileworkingonthevalve,residualmediumcanowoutofthevalveand,depend-

ing on its properties, cause personal injury, e.g. (chemical) burns.

ÎIf possible, drain the process medium from all the plant sections affected and the

valve.

ÎWearprotectiveclothing,safetyglovesandeyeprotection.

8 EB 2519 EN

Safety instructions and measures

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 hot

or cold and cause burn injuries.

ÎAllow components and pipelines to cool down or warm up to the ambient tempera-

ture.

ÎWearprotectiveclothingandsafetygloves.

1.3 Notes on possible property damage

NOTICE

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.

ÎFlush the pipelines before start-up.

ÎObservethemaximumpermissiblepressureforvalveandplant.

Risk of valve damage due to unsuitable medium properties.

Thevalveisdesignedforaprocessmediumwithdenedproperties.

ÎOnlyusetheprocessmediumspeciedforsizingtheequipment.

Risk of leakage and valve damage due to excessively high or low tightening

torques.

Observethespeciedtorqueswhentighteningvalvecomponents.

Excessivetighteningtorquesleadtopartswearingoutmorequickly.Partsthataretoo

loose may cause leakage.

ÎObservethespeciedtighteningtorques.

Risk of device damage due to incorrectly attached lifting equipment.

ÎDo not attach lifting equipment to mounting parts (e.g. capillary tube).

EB 2519 EN 9

Markings on the device

2 Markings on the device

2.1 Nameplate of the pressure element

1 3 4

7 8

SAMSON 2

1 Type 5 Unassigned

2 Material no. 6 Size(150/50)

3 Date of manufacture 7 Type test number (TÜV no.)

4 Unassigned 8 Adjustment range of limit value

The nameplate is located on the connecting element (8).

2.2 Valve nameplate

See associated valve documentation.

10 EB 2519 EN

Design and principle of operation

3 Design and principle of

operation

TheType2401-1orType2401-2Pressure

Element is used in combination with

Type2111,Type2119andType24221)

Valves to form a pressure limiter (PL) or

safety pressure limiter (SPL) respectively.

TheType2401-1/-2PressureElementwith

its connecting element (8) is connected to the

bottom section (4) of the valve using the cou-

pling nut (7).

The medium passes through the strainer (13)

and the capillary tube (12) to an operating

bellowsintheType2401-1/-2PressureEle-

ment (9). It is converted here into a position-

ing force which is compared to the force of

the set point spring.

The spring force depends on the limit

adjustment(10).Whenthepressurereaches

the adjusted pressure limit, the spring

mechanism in the connecting element (8) is

triggered. The spring mechanism moves the

pin (6) and the plug stem (5) attached to it,

closing and locking the valve (1).

Additionally,theType2401-1SafetyPres-

sure Limiter closes the valve when the mea-

suredpressurefallsbelow0.8bar(gauge

pressure).

TheType2401-1/-2PressureElementcan

only be reset and put back into operation

with a suitable tool (lever with order no.

1490-7399) after the fault has been reme-

died and the pressure has fallen below the

limit.

1) FormerlyType2114

Assembly tool

An assembly tool (0230-3752) to mount the

safety pressure limiter is included in the

scope of delivery.

Type test

TheType2401-1andType2401-2Pressure

Elements have been tested in conjunction

withavalvebytheGermantechnicalsur-

veillance association TÜV. More details on

the type test are available on request.

3.1 Versions

(Safety) thermostat

Additionally, a thermostat or safety thermo-

stat to regulate or limit the temperature can

bettedtotheconnectingelementwith

spring mechanism (8).

Electric signal transmitter

An additional electric signal transmitter for

remote transmission of the plant state can be

attached to the operating element with

springmechanism(seesection5.4.2).

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