Installation InstructionsPac-Seal Type 51 and 52 Mechanical Shaft SealTM Experience In Motion
2Description The Pac-Seal Types 51 and 52 are similar to the Types 21 and 31 in design, with a crimped head and hex-torque drive system but with a mor
3 Part Reference Description 2 Seal Drive/Drive Band 14 Stationary Face/Mating Ring 15 Rotating Face/Primary Ring 16 Spring 28
1 Equipment Check 1.1 Follow plant safety regulations prior to equipment disassembly including, but not limited to, the following: • Lock out moto
51.5 Thoroughly inspect and clean the seal chamber and shaft or pump sleeve. Inspect for corrosion or any defects. Remove all burrs, cuts, dents or d
2.4 Lubricate inner diameter (ID) of the rotating seal head elastomer bellows with Pac-Ease. Note: For smaller diameter seals it may be easier to l
72.6.1 For back-rst installations apply pressure to the outer diameter of the seal. Whenever possible even pressure should be applied to the outer d
TO REORDER REFER TOB/M #F.O.FIS219eng ORG 11/13 Printed in USAflowserve.comTo find your local Flowserve representativeand find out more about Flowserve
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