Corken | IDEX Corporation

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Possible Causes

What To Do

Low voltage

Check motor speed.

Differential pressure too high

Restriction in discharge piping or discharge piping is too small..

Bypass valve stuck open or set too low

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

Clogged strainer

Clean strainer.

Suction pipe too small or restricted

Indicated by pump inlet pressure dropping several pounds when pump is started. Remove restriction or modify piping.

Worn blades/vanes

Replace blades/vanes.

Worn sideplates

Replace sideplates.

Blade/Vane sticking

Remove blades / vanes and clean out foreign matter. Check material compatibility or replace blades if swollen.

Broken blade/vane drivers

Replace.

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