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topic 29497

PASSIVATION OF JOINTS OF ELECTRO POLISHED PIPES



2004

Object of the question : To learn more as a student

Question : Does electropolished pipe require passivation after fabrication ?

GOKHALE KESHAVLAL Y.
STUDENT - AHMEDABAD, GUJARAT, INDIA


2004

An electropolished item should be electropolished after all fabrication work is completed. If that is not practical, as may be the case with a welded piping system, passivation is better than nothing.

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
finishing.com - Pine Beach, New Jersey
Striving to live Aloha


2004

There are excellent citric acid based products available that are used in tank farms and piping systems for the pharmaceutical, food and beverage industries that are safe and very effective. CIP systems are available for this purpose and are used by these industries very effectively. As always, the BEST system is to electropolish and then passivate.

lee kremer
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Lee Kremer
Stellar Solutions, Inc.
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McHenry, Illinois
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