Flowserve Single Inside Pusher Type Seal Manual do Utilizador descarregar pdf (Página 3)

1.8 Handle all seal parts with care,theyaremanufacturedtoprecise

tolerances.Thesealfaces;rotatingface,andstationaryface,are

ofspecialimportance.Thesetwosealingfacesarelappedatto

withinthreelightbands(34.8millionthsofaninch).

Keep the seal faces perfectly clean at all times.

Single Inside Pusher Type Seal Installation

2 Single End Suction Vertical Split Case Pumps (1 box)

2.1 Scribe mark Aontheshaftorsleevetolineupwiththefaceof 

thesealhousing.

2.2 Scribe mark B atthesealsettingpointshownenclosedina 

rectangularboxontheassemblydrawingincludedwiththeseal.

Thissealsettingdimensionismeasuredfromthefaceoftheseal

housingtothebackofthespringholder.Thebackofthespring

holderwillbelocatedatthispoint.

2.3 Lubricate the shaftorsleevelightlywithsiliconelubricant

providedwiththesealbeforeinstallinganysealparts.

2.4 Lightly lubricate O-ring or Duraex seat gasket.

2.5 Press the stationary face into the gland (exiblymounted

stationaryfacesonly).Usehandpressureonly.Whereafacehas

anO-ringmountingonthebackshoulder,itisusuallybetterto

nestthisO-ringintotheglandcavityandthenpushthefaceinto

thenestedO-ring.

2.6 Install the glandwithstationaryfaceovertheshaft.Placethe

glandasclosetothebearingbracketaspossible.Donotbump

thestationaryfaceagainsttheshaftasitmaychip,crack,orbreak.

2.7 Installthe rotating face gasketintotheboreoftherotatingface.

2.8 Install the rotating facecomponentsontheshaftorsleevein

thepropersequence.HandlePTFEU-cupringsandDurate

rotatingfacegasketswithextremecare.PTFEU-cupringsmust

beassembledindividuallyandnotpushedontheshaftorsleeve

whiletheyareinstalledontherotatingface.Avoidnickingor

pinchingeitherlipoftheU-cupring.UsebothU-cuprings,they

worktogethertoformaneffectiveseal.

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Flowserve Single Inside Pusher Type Seal Manual do Utilizador Página 3