Samson 46-7 Service manual

Translation of original instructions

EB 3131 EN

Type46-7

Type47-5

Type47-1 with manual adjuster

Types46-7, 47-5 and 47-1 Self-operated Regulators

Flow and Differential Pressure or Pressure Regulators

Edition September 2020

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.

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

Department (aftersalesser[email protected]).

The mounting and operating instructions for the devices are included in

the scope of delivery. The latest documentation is available on our website

at www.samson.de > Service & Support > Downloads > Documentation.

Denition 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

2 EB 3131 EN

Contents

EB 3131 EN 3

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

1.1 Notes on possible severe personal injury .........................................................8

1.2 Notes on possible personal injury ...................................................................9

1.3 Notes on possible property damage..............................................................11

2 Markings on the device ...............................................................................13

2.1 Material numbers.........................................................................................13

3 Design and principle of operation ................................................................14

3.1 Mounting parts ............................................................................................17

3.2 Versions ......................................................................................................17

3.3 Technical data .............................................................................................18

4 Measuresforpreparation ............................................................................22

4.1 Unpacking ..................................................................................................22

4.2 Transporting and lifting ................................................................................22

4.3 Storage.......................................................................................................22

4.4 Preparation for installation............................................................................23

5 Mountingandstart-up.................................................................................24

5.1 Mounting orientation....................................................................................24

5.2 Additionalttings.........................................................................................25

5.3 Putting the regulator into operation................................................................26

6 Operation...................................................................................................27

6.1 Adjusting the set points.................................................................................27

6.1.1 Flow control.................................................................................................27

6.1.2 Differential pressure control...........................................................................30

7 Servicing.....................................................................................................31

7.1 Cleaning and replacing the plug ...................................................................33

7.2 Replacing the diaphragm .............................................................................34

7.3 Tightening torques........................................................................................36

7.4 Preparation for return shipment.....................................................................36

7.5 Ordering spare parts and operating supplies .................................................36

Contents

4 EB3131EN

8 Malfunctions ...............................................................................................36

9 Decommissioning and removal ....................................................................39

9.1 Decommissioning.........................................................................................40

9.2 Disposal......................................................................................................40

10 Annex.........................................................................................................40

10.1 After-sales service........................................................................................40

10.2 Certicates ..................................................................................................41

EB 3131 EN 5

Safety instructions and measures

1 Safety instructions and measures

Intended use

TheType46-7andType47-5Regulatorsaredesignedforowrateanddifferentialpressure

control.TheType47-1Regulatorisdesignedforowrateanddifferentialpressurecontrolor

owrateandpressurecontrol.Theregulatorsaremainlyusedindistrictheatingsupply

networks and industrial plants. The regulator and actuator are designed to operate under

exactlydenedconditions(e.g.operatingpressure,processmedium,temperature).

Therefore, operators must ensure that the regulator and actuator are only used in operating

conditionsthatmeetthespecicationsusedforsizingthedevicesattheorderingstage.In

caseoperatorsintendtousethedevicesinotherapplicationsorconditionsthan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 regulator is not suitable for the following applications:

−Useoutsidethelimitsdenedduringsizing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 in these instructions

Qualicationsofoperatingpersonnel

The regulator must be mounted, started up, serviced and repaired by fully trained and

qualied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.

6 EB3131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.

ÎWear hearing protection when working near the valve.

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, plant operators and operating personnel must

preventhazardsthatcouldbecausedinthedevicebytheprocessmedium,theoperating

pressure or by moving parts by taking appropriate precautions. Plant operators and operat-

ingpersonnelmustobserveallhazardstatements,warningandcautionnotesinthese

mounting and operating instructions, 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.

Safety features

TheTypes46-7,47-5and47-1Regulatorsdonothaveanyspecialsafetyfeatures.When

relieved of pressure and with open restriction, the regulators are opened by the force of the

set point springs.

Responsibilities of the operator

The operator is responsible for proper operation and compliance with the safety regulations.

Operators are obliged to provide these mounting and operating instructions as well as the

referenced documents to the operating personnel and to instruct them in proper operation.

Furthermore, the operator must ensure that operating personnel or third parties are not ex-

posed to any danger.

Theoperatorisadditionallyresponsibleforensuringthatthelimitsfortheproductdenedin

the technical data are observed. This also applies to the start-up and shutdown procedures.

EB 3131 EN 7

Safety instructions and measures

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 and

temperatures) 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 as

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

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

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

Referenced standards and regulations

The regulators 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includedintheannexoftheseinstructions(seesection10.2).

Non-electric regulator versions whose bodies are not lined with an insulating material coat-

ing do not have their own potential ignition source according to the risk assessment stipulat-

edinEN13463-1:2009,section5.2,evenintherareincidentofanoperatingfault.There-

fore, such valve versions do not fall within the scope of Directive 2014/34/EU.

ÎForconnectiontotheequipotentialbondingsystem,observetherequirementsspeciedin

section6.4ofEN60079-14(VDE0165-1).

Referenced documentation

The following documents apply in addition to these mounting and operating instructions:

−Mounting and operating instructions for

e.g. Type1N/NIStrainer uEB1010

e.g. Type2N/NIStrainer uEB1015

−Mountingandoperatinginstructionsaswellasdatasheetsforadditionalttings

(e.g. shut-off valves, pressure gauges etc.).

8 EB 3131 EN

Safety instructions and measures

1.1 Notes on possible severe personal injury

DANGER

Risk of bursting in pressure equipment.

Regulators and pipelines are pressure equipment. Improper opening can lead to device

components bursting.

ÎObserve the maximum permissible pressure for regulator and plant.

ÎBeforestartinganyworkonthedevice,depressurizeallplantsectionsaffectedas

well as the regulator.

ÎDrain the process medium from all the plant sections affected as well as the regula-

tor.

ÎIf necessary, a suitable overpressure protection must be installed on site in the plant

section.

ÎWear personal protective equipment.

EB 3131 EN 9

Safety instructions and measures

1.2 Notes on possible personal injury

WARNING

Crush hazard arising from moving parts.

The regulator contains moving parts (actuator and plug stem), which can injure hands

orngersifinsertedintothevalve.

ÎDonotinserthandsorngersbetweenthesetpointspringswhiletheregulatorisin

operation.

ÎBeforeperforminganyworkontheregulator,depressurizetheplant.Disconnector

shut off the external control line.

Risk of personal injury through incorrect operation, use or installation as a result of

information on the regulator being illegible.

Over time, markings, labels and nameplates on the regulator may become covered with

dirtorbecomeillegibleinsomeotherway.Asaresult,hazardsmaygounnoticedand

the necessary instructions not followed. There is a risk of personal injury.

ÎKeep all relevant markings and inscriptions on the device in a constantly legible

state.

ÎImmediately renew damaged, missing or incorrect nameplates or labels.

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

While working on the regulator, residual process medium can escape and, depending

on its properties, may lead to personal injury, e.g. (chemical) burns.

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

regulator.

ÎWear protective clothing, safety gloves and eye protection.

Risk of personal injury due to pressurized components and process medium being

discharged.

Incorrect opening of pressure equipment or mounting parts may lead to the process

medium escaping to the atmosphere.

ÎDonotloosenthecontrollinewhiletheregulatorispressurized.

10 EB 3131 EN

Safety instructions and measures

1.2 Notes on possible personal injury

WARNING

Risk of hearing loss or deafness due to loud noise.

The noise emissions depend on the regulator version, plant facilities and process medi-

um.

ÎWear hearing protection when working near the regulator.

Risk of burn injuries due to hot or cold components and pipelines.

Depending on the process medium, regulator 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.

Damage to health relating to the REACH regulation.

If a SAMSON device contains a substance which is listed as being a substance of very

high concern on the candidate list of the REACH regulation, this circumstance is indicat-

ed on the SAMSON delivery note.

ÎInformation on safe use of the part affected, see uwww.samsongroup.com/en/

about-samson/material-compliance/reach-regulation/

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