Installation InstructionsPac-Seal Type 21 and Type 31 Mechanical Shaft SealTM Experience In Motion
2Description Pac-Seal Types 21 and 31 feature uniquely designed crimped heads and hex-torque drive systems that provide a solid engineered advantage o
3Seal Chamber Requirements Figure 2Sleeve or shaft finish to be1.6 μm (63 μinch) R or betteraShaft or sleeve OD-0.050 mm (-0.002 inch
1.5 Thoroughly inspect and clean the seal chamber and shaft or pump sleeve. Inspect for corrosion or any defects. Remove all burrs, cuts, dents or de
52.4 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
63 Type 21 and Type 31 Operational Recommendations 3.1 Remove lock outs on equipment and valves. 3.2 Do not start up the pump dry to check motor
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TO REORDER REFER TOB/M #F.O.FIS217eng ORG 04/13 Printed in USAflowserve.comTo find your local Flowserve representativeand find out more about Flowserve
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