API Std 622

Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition, Includes Addendum 1 (2022)

American Petroleum Institute, 10/01/2018

Publisher: API

File Format: PDF

$86.00$172.00

Description

Published:01/10/2018

Pages:37

File Size:1 file , 1.1 MB

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This standard specifies the requirements for comparative testing of valve stem packing for process applications where fugitive emissions are a consideration. Packing(s) shall be suitable for use at service temperatures -29°C to 538°C (-20°F to 1000°F).

Factors affecting fugitive emissions performance that are considered by this standard include temperature, pressure, thermal cycling, mechanical cycling, and corrosion.