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Representative symbols for various types of gaskets

2007-11-23View Original

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Could someone knowledgeable please tell me what the standard symbols are for various types of gaskets? For example: metal wound gaskets, PTFE gaskets, asbestos gaskets, etc....
Reply #22007-11-24
Isn’t it described in the flange standards? There are four types of gasketing materials. Polytetrafluoroethylene is sometimes referred to as PTFE; it seems to be denoted as F4 as well. Asbestos rubber sheets come in varieties such as XB350 and XB450, among others.
Reply #32007-11-24
It is described in detail in HG20627-20635 and HG20606-20612, as well as in HG20519.39.

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Translated at 2026-07-28 23:07:30

Original: https://bbs.hcbbs.com/thread-110051-1-1.html

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