
Fire Test for Evaluation of Valve Stem Packing and Piping Flange Gaskets, Third Edition
NORMA vydána dne 1.9.2025
Designation standards: API 589
Publication date standards: 1.9.2025
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: American technical standard
Kategorie: Technické normy API
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