Flowserve Selfacting pressure regulator: EN
EN: Flowserve Selfacting pressure regulator

Contents Page
Preface 15
EN
Scope 16
Productdescription 16
1. Installation 16
1.1 “Asdelivered”status 17
1.1.1 Transport 17
1.1.2 Storage 17
1.2 Preparationforinstallationintothepiping 17
Ratingplate 18
1.3 Installationofthevalve 18+19
Recommendedinstallation 19+20
2. Commissioning 21+22
Flangeconnection 21
3. Maintenance 23
4. Repair 23
4.1 Troubleshooting,serviceandrepaircentres 24
This valve was manufactured to the strict standards of our ISO 9001 certied quality
management system. It was tested for compliance with all applicable regulations and
guidelinesandfullyconformswithallcontractuallyagreedspecications.
Toensureafaultlessandreliableoperationofthisproduct,pleasereadandobservethese
installationandoperatinginstructionsbefore usingthisproduct.
Failuretocomplywiththeseinstallationandoperatinginstructionswillrenderthemanufacturer’s
guaranteeandliabilitynullandvoid.Unlessotherwiseagreed,themanufacturer’sGeneral
TermsandConditionsofSaleshallapply.
15

16
Scope Theseoperatinginstructionsshallapplyto:
EN
• Pressure-reducingvalves
(PN10–40)
• Reliefvalves
(PN10–40)
withttedmembraneactuator
Product description
Pressure-reducingvalves:
Theseareusedtomaintainconstantpressuresdownstreamof
wheretheyareinstalled.Pressure-reducingvalvesofthistype
aresuitableforwater,vapour,neutralnon-ammablevapours
andgasesandliquids.
Reliefvalves:
Theseareusedtomaintainconstantpressuresupstreamof
wheretheyareinstalled.Reliefvalvesofthistypearesuitable
forwatervapour,neutralnon-ammablevapoursandgasesand
liquids.
1. Installation
The valve must be installed and commissioned by
qualied sta. Qualied sta is dened as personnel
who are familiar with the installation, commissioning
and operation of this product and possess the
relevant qualications in their eld of activity.
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