Flowserve ST Series Manual do Utilizador descarregar pdf (Página 7)

3 Seal Operation

Toassurereliablenoisefreeoperationofthissealingproduct, 

the following operating guide must be observed.

3.1 Maintain barrier uid ow and pressure. Beginandconrm

Plan54barrierowatleastveminutesbeforestartingtheshaft.

Thisinsuresthatallhighpointcavitiesareproperlywettedand

delivering lubricant to the rubbing surfaces within the seal.

3.2 Do not exceed the maximum barrier pressurespecied

for the seal design.

3.3 Do not exceed the maximum vessel pressure. Make sure

the vessel pressure does not exceed the barrier pressure.

3.4 Do not exceed the maximum vessel temperature specied

for the application.Thiscouldexceedthetemperaturelimits

of the materials of construction of the seal.

3.5 Do not rotate the mixer shaft during SIP if steam is injected

into the Plan 54 barrier cavity. Steam is not an adequate

lubricant for the rubbing surfaces.

4 Repairs

Thisproductisaprecisionsealingdevice.Thedesignanddimension

tolerancesarecriticaltosealperformance.Onlypartssuppliedby

Flowserveshouldbeusedtorepairaseal.Toorderreplacementparts,

refertothepartcodeandB/Mnumber.Asparebackupsealshouldbe

stocked to reduce repair time.

WhensealsarereturnedtoFlowserveforrepair,decontaminate the

seal assembly and include an order marked "Repair or Replace."

A signed certicate of decontamination must be attached.

A Material Safety Data Sheet (MSDS) must be enclosed for any

productthatcameincontactwiththeseal.Thesealassemblywill

beinspectedand,ifrepairable,itwillberebuilt,tested,andreturned.

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Flowserve ST Series Manual do Utilizador Página 7