Fangle

Flange connection is the two pipes, fittings or equipment, each fixed in a flange, between the two flanges, plus flange gasket, bolted together to complete the connection. Some pipe fittings and equipment has its own flange, also belongs to the flange connection. Flange connection is an important connection for pipeline construction. Flange connections are easy to use and can withstand high pressure.

1,According to chemical (HG) industry standards: Integral Flange (IF), Threaded Flange (Th), Plate Type Flat Welding Flange (PL), Butt Welding Flange with Neck (WN), Flat Welding Flange with Neck (SO), Socket Welding Flange (SW), Butt Welding Ring Loose Sleeve Flange (PJ/SE), Flat Welding Ring Loose Sleeve Flange (PJ/RJ), Lined Flange Cover (BL(S)), Flange Cover (BL) [2].
2,According to petrochemical (SH) industry standards: threaded flange (PT), butt-welding flange (WN), flat welding flange (SO), socket weld flange (SW), loose-jacketed flanges (LJ), flange cover (no table note).
3,According to machinery (JB) industry standards: integral flange, butt welding flange, plate type flat welding flange, butt welding ring plate type loose set flange, flat welding ring plate type loose set flange, flanging ring plate type loose set flange, flange cover.
4,According to national (GB) standards: integral flange, threaded flange, butt welding flange, necked flat welding flange, necked socket welding flange, butt welding ring necked loose set flange, plate flat welding flange, butt welding ring plate loose set flange, flat welding ring plate loose set flange, flanging ring plate loose set flange, flange cover.

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