Corken | IDEX Corporation

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Possible Causes

What To Do

Pump speed too low / Wrong electric motor

Use tachometer to determine pump speed. Adjust speed.

Low voltage

Check motor speed.

Differential pressure too high

Restriction in discharge piping / hose, or increase their size.

Bypass valve stuck open or set too low

Check capacity with by-pass line closed using manual valve. Re-adjust, repair or replace valve.

Clogged strainer

Clean strainer.

Suction pipe too small or restricted

Indicated by pump inlet pressure dropping when pump is started. Remove restrictions and/or increase pipe size.

Worn Impeller

Replace Impeller.

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