1. SABS 1123-1600 FLANGE manufacturer tells you that according to the chemical industry (HG) industry standard, flanges can be divided into integral flange (IF), threaded flange (Th), plate flat welding flange (PL), belt flange Neck butt welding flange (WN), flat welding neck 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. SABS 1123-1600 FLANGE manufacturer tells you that according to the petrochemical (SH) industry standard, flanges can be divided into threaded flange (PT), butt welding flange (WN), flat welding flange (SO), and bearing flange Insert welding flange (SW), loose flange (LJ), flange cover (not shown).
3. SABS 1123-1600 FLANGE manufacturer tells you that according to the machinery (JB) industry standard, flanges can be divided into the integral flange, butt welding flange, plate flat welding flange, butt welding ring plate loose flange, Flat welding ring plate loose flange, flanging ring plate loose flange, flange cover.
4. SABS 1123-1600 FLANGE manufacturer tells you that according to the national (GB) standard, flanges can be divided into integral flanges, threaded flanges, butt welding flanges, necked flat welding flanges, necked socket welding flanges Flange, butt welding ring with neck loose flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanging ring plate loose flange, flange cover.
The above information is the SABS 1123-1600 FLANGE manufacturer's introduction and analysis of the classification method of the flanges, hope it helps you.