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Hydro test on in-service pressure vessels

Hydro test on in-service pressure vessels

Hydro test on in-service pressure vessels

(OP)
Hi
I understand the requirement of pressure test / hydro test on inservice equipment are derated. Can any one help, which stardards define these guidelines ?
cheers

RE: Hydro test on in-service pressure vessels

API Standards or the National Board Inspection Code. The use of either Standard depends on in-service equipment and local rules for regulating pressure vessels and boilers.

RE: Hydro test on in-service pressure vessels

(OP)
thanks metengr which API std in particular?

RE: Hydro test on in-service pressure vessels

mthakur;
Check with the regulatory body where the pressure vessel is installed.  

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