INTERSTAGE VALVE 3-4

$3.15

This valve controls the flow of gases between the third and fourth pumping stages in your multi-stage dry vacuum pump. If you are rebuilding your pump, this is the correct OEM replacement part.

  • Edwards RV Oil Return Kit Part# 50523000

    INTERSTAGE VALVE 3-4

    $3.15

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      Edwards RV Oil Return Kit Part# 50523000

      INTERSTAGE VALVE 3-4

      $3.15

      Ask a Question

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      This valve fits Edwards multi-stage dry vacuum pumps. It is commonly used on iH Series dry pumping systems . These are large industrial pumps used in semiconductor manufacturing and other demanding applications.

      The interstage valve has several important jobs:

      • It allows gas to move from one stage to the next

      • It can open to relieve pressure if the difference between stages gets too high 

      • It helps the pump start more easily

      • It protects the pump from damage during high pressure operation

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