How Many Kinds Of Flanges Are There?
Nov 03, 2022
1. Different classification:
According to the standard of Chemical industry (HG) : Integral flange (IF), threaded flange (Th), plate welded flange (PL), butt-welded flange (WN), butt-welded flange (SO), socket welded flange (SW), butt-welded ring loose flanges (PJ/SE), butt-welded ring loose flanges (PJ/RJ), lined flange covers (BL(S)), flange covers (BL).
According to the mechanical (JB) industry standards: overall flange, butt welding flange, plate flat welding flange, butt welding ring plate loose sleeve flange, flat welding ring plate loose sleeve flange, flanging ring plate loose sleeve flange, flange cover.
2. Different aspects to consider:
JB mechanical structure flange, only consider the strength and link effect, adopt mechanical flange. HG chemical flanges belong to flanges used in pressure vessels. Not only strength and connection function should be considered, but also sealing and corrosion resistance and temperature effects should be considered.
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