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

Informace o normě:

Označení normy: API STD 622
Datum vydání normy: 1.10.2018
Počet stran: 37
Přibližná hmotnost: 111 g (0.24 liber)
Země: Americká technická norma
Kategorie: Technické normy API

Anotace 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