Flowserve Selfacting pressure regulator: EN

4.1 Trouble shooting

EN

Defect No. Possiblecause Remedy

1.1

• checksupplylineforleaks

Spindledoesnotmove

• no aux. energy supply to

checkpressure

membraneactuator

1.2

• contactcustomerservicesdepartmentor

• valvetrimworn,stuck

contractpartner

2.1 • damagedspindle • contactcustomerservicesdepartmentor

Joltingspindlemovement

contractpartner

3.1 • foreign particles in valve seat,

• contactcustomerservicesdepartmentor

Spindle travel less than full

damagedtrim

contractpartner

stroke

(Oto100%stroke)

4.1

• damagedsealingedgesatvalve

• contactcustomerservicesdepartmentor

Excessivevalveseatleakage

seatorplug

contractpartner

4.2

• foreignparticlesinseatarea

• contactcustomerservicesdepartmentor

contractpartner

5.1 • bellowsdefective • contactcustomerservicesdepartmentor

Leakingstungboxsystem

contractpartner

6.1 • sealdefective • contactcustomerservicesdepartmentor

Leakingtoporlidseal

contractpartner

Leakinghousing

7.1

• contactcustomerservicesdepartmentor

• medium-orow-relateddamage

contractpartner

Leakingmembraneactuator

8.1 • actuatormembranedefective • contactcustomerservicesdepartmentor

contractpartner

Iftheproblemisnotsolvedbytakingtheabovemeasures,contactthecustomerservices

departmentorcontractpartner.

ServicehotlineAustria: ServicehotlineGermany:

+43 (0)664 341 8 616 +49 (0)2157-8176-29or+49 (0)163-8176-014