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PZ-Series Petroleum Pumps—Troubleshooting Guide

Will Not Build Pressure

Possible Causes

 

What To Do      

 Poor suction conditions Clean inlet strainer. Increase pipe size.

 Internal bypass valve set too low or stuck open Check valve or set valve for higher pressure (see instructions).

 Worn vanes and/or sideplates Disassemble, inspect and repair as necessary. Has pump run dry? If so check for damage to vanes & rotor shaft assembly.


 

 

Corken, Inc.
A Unit of IDEX Corporation
3805 N.W. 36th Street, Oklahoma City, OK 73112 U.S.A.
(405) 946-5576   (800) 631-4929
FAX   (405) 948-7343

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