Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition, Includes Addendum 1 (2022)
STANDARD published on 1.10.2018
Designation standards: API STD 622
Publication date standards: 1.10.2018
The number of pages: 37
Approximate weight : 111 g (0.24 lbs)
Country: American technical standard
Category: Technical standards API
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. See more