Fire Test for Evaluation of Valve Stem Packing and Piping Flange Gaskets, Third Edition

Informácie o norme:

Označenie normy: API 589
Dátum vydania normy: 1.9.2025
Počet strán: 22
Približná hmotnosť: 66 g (0.15 libier)
Krajina: Americká technická norma
Kategória: Technické normy API

Anotácia textu normy API 589 :

This standard covers the requirements for testing valve stem packing and evaluating its performance when exposed to specifically defined fire conditions. Packing may be a combination or an arrangement of more than one material. The test procedure in this standard simulates circumstances that impose severe demands on valve stem packing. Purchasers may wish to establish more stringent requirements to meet their specific applications. See more