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About This Item
Full Description
This standard is not intended to replace type testing of valve assemblies or valve production testing.
This standard establishes requirements and parameters for the following tests:
a) fugitive emissions,
b) corrosion, and
c) packing material composition and properties.
Test methods apply to packing for use in on-off valves with the following stem motion(s):
a) rising stem, and
b) rotating stem.
The test for fugitive emissions is based upon elements of EPA Method 21, providing comparative values of packing performance.
Document History
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API Std 622
Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition, Includes Addendum 1 (2022)- Most Recent
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API Std 622
viewing
Type Testing of Process Valve Packing for Fugitive Emissions, Second Edition- Historical Version
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API Std 622
Type Testing of Process Valve Packing for Fugitive Emissions, First Edition- Historical Version