API 589 PDF
$33.00
Fire Test for Evaluation of Valve Stem Packing
American Petroleum Institute , 07/01/1998
File Format: PDF
API 589 PDF
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.
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