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Liquid Controls, A Unit of IDEX Corp.

 

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Industrial SC-Series Pumps—Troubleshooting Guide

Pump Runs But No Flow

Possible Causes

 

What To Do      

  Broken shaft or coupling   Inspect and replace parts as necessary.
  Valve closed in inlet or discharge line.   Open the valve.
  Suction lift too high   Review NPSH requirements.
  Clearance between impeller and stage casing too large   Check clearance and replace impeller or stage casing as required.
  Wrong direction of rotation  Check direction of rotation.
  NPSH available does not meet required   Review NPSH.
  Too little liquid inside pump   Wet pump for priming.

 

 

Corken, Inc.
A Unit of IDEX Corporation
3805 N.W. 36th Street, Oklahoma City, OK 73112 U.S.A.
(405) 946-5576  
FAX   (405) 948-7343

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