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Swagelok Quebec Group

Your Authorized Swagelok Sales and Service Center

API Plan 54 Barrier Liquid Pressurized by External System

API Plan 54 is a custom engineered system that delivers a pressurized barrier fluid to the seal chamber. The barrier liquid is circulated to and from the seal chamber via a pump located on an external reservoir. This fluid is maintained at a pressure greater than that found in the seal chamber. A Plan 54 can contain filters, coolers, and other components that are selected according to the specific parameters of the application.

plan 54 


  • provides a cool, clean, pressurized barrier fluid to a dual pressurized seal

See page 43 of the Mechanical Seal Support Systems Applications Guide for additional details.


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