Aktívna norma | Vydaná: 01.10.2018

API STD 622

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

Dostupné jazyky: Anglicky

Dostupné prevedenie: Zabezpečené PDF, Tlačené

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Podrobné informácie

Označenie: API STD 622

Dátum vydania: 01.10.2018

Stránok: 37

Krajina: Americká technická norma

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Anotácia

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

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