Relevant Classification of Welded Flanges
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-Time:2019-10-15 13:06
1. According to chemical industry standards, it can be divided into: integral flange (IF), threaded flange (Th), plate flange (PL), diameter butt-welding flange (WN), necked flange (SO), socket flange (SW), loosely sleeved flange (PJ/SE), flat-welded ring flange (PJ/RJ), lined flange cover (BL (S), flange cover (BL).
2. According to the petrochemical industry standards: threaded flange (PT), butt welded flange (WN), flat welded flange (SO), socket welded flange (SW), loose sleeve flange (LJ), flange cover (not indicated).
3. According to the standard of mechanical industry, there are integral flange, butt welding flange, plate flat welding flange, butt welding ring plate loose sleeve flange, flat welding ring plate loose sleeve flange, flanged ring plate loose sleeve flange and flange cover. 4. According to the national standard, there are integral flange, threaded flange, butt-welded flange, necked flange, necked socket flange, butt-welded ring flange with neck loose sleeve, plate flat flange, butt-welded ring flange with neck loose sleeve, flat-welded ring flange, flange cover.
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