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

Informácie o norme:

Označenie normy: API STD 622
Dátum vydania normy: 1.10.2018
Počet strán: 37
Približná hmotnosť: 111 g (0.24 libier)
Krajina: Americká technická norma
Kategória: Technické normy API

Anotácia textu normy API STD 622 :

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