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Flange issue

2011-01-14View Original

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Are there any standard requirements regarding the size of the wire used on flange plates?
Reply #22011-01-14
Yes, there are **standards**. There are standards regarding what size pipes should be used, what types of flanges and bolt hole diameters correspond to specific pressure ratings. The bolts also follow these standards; generally, their diameter is 2 mm smaller than the bolt hole diameter
Reply #32011-01-15
Flange standards specify requirements for bolt holes and connecting bolts; for American standards, ASME B16.5 can be referred to.
Reply #42011-01-15
The poster should go to Baidu Wenku and search for “HG20592~20635-2009-T (Steel pipe flanges, gaskets, and fasteners)” (with bookmarks). This standard clearly specifies the appropriate combinations of flanges, gaskets, and fasteners. The dimensions listed at the beginning are in imperial units, while those later on follow U.S. standards. Take a look!

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Translated at 2026-07-24 19:26:30

Original: https://bbs.hcbbs.com/thread-789671-1-1.html

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