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Classification methods of flanges

Release time:

2018-10-30

1. According to the chemical industry (HG) standards: integral flange (IF), threaded flange (Th), plate flat welding flange (PL), necked butt welding flange (WN), necked flat welding flange (SO), socket welding flange (SW), butt welding ring loose flange (PJ/SE), flat welding ring loose flange (PJ/RJ), lined flange cover (BL(S)), flange cover (BL). 2. According to the petrochemical industry (SH) standards: threaded flange (PT), butt welding flange (WN), flat welding flange (SO), socket welding flange (SW), loose flange (LJ), flange cover (not specified)!! 3. According to the mechanical industry (JB) standards: integral flange, butt welding flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanged ring plate loose flange, flange!! 4. According to the national (GB) standards: integral flange, threaded flange, butt welding flange, necked flat welding flange, necked socket welding flange, butt welding ring necked loose flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanged ring plate loose flange, flange cover!!


  1. According to the chemical industry (HG) standards: integral flange (IF), threaded flange (Th), plate flat welding flange (PL), necked butt welding flange (WN), necked flat welding flange (SO), socket welding flange (SW), butt welding ring loose flange (PJ/SE), flat welding ring loose flange (PJ/RJ), lined flange cover (BL(S)), flange cover (BL).

  2. According to the petrochemical industry (SH) standards: threaded flange (PT), butt welding flange (WN), flat welding flange (SO), socket welding flange (SW), loose flange (LJ), flange cover (not specified)!!

  3. According to the mechanical industry (JB) standards: integral flange, butt welding flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanged ring plate loose flange, flange!!

  4. According to the national (GB) standards: integral flange, threaded flange, butt welding flange, necked flat welding flange, necked socket welding flange, butt welding ring necked loose flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanged ring plate loose flange, flange cover!!

Classification methods of flanges

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