API STD 622:2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition
Hardcopy , PDF
03-26-2022
English
10-01-2018
This standard specifies the requirements for comparative testing of valve stem packing for process applications where fugitive emissions are a consideration.
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