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Swagelok Quebec Group

Your Authorized Swagelok Sales and Service Center

API Plan 13 Flush, from Chamber to Suction

API Plan 13 recirculates flow from the seal chamber to the suction side of the pump. This plan is common for vertical pumps.

plan 13 


  • Removes heat and flushes particulate from the seal chamber
  • Allows the seal chamber to be self-venting when used with horizontal pumps

See page 11 of the Mechanical Seal Support Systems Applications Guide for additional details.


Contact your local distributor