The weld neck flange (WN flange) means a flange has a neck for weld with the pipe, it is easily to recognized by their long tapered neck on the flange (The neck is also called hub in the weld neck flange). We mainly produce weld neck flange according to standards ASME/ANSI B16.5,ASME/ANSI B16.47,EN1092-1,JIS B2220,UNI,DIN,BS 4504,API etc.
ASME B16.47 A234 WPB 22″-48″ Weld Neck Flange Pressure:
class 150,class 300,class 400,class 600.
ASME B16.47 A234 WPB 150# Weld Neck Flange Size:
ASME B16.47 150# 22″-48″ Weld Neck Flange Material:
Carbon steel: ASTM A105, A181, ASTM A516 GR.60, GR.70, ASTM A694 F42, F46, F52, F56, F60, F65, F70, ST37, ST45.8, C22.8, S235, S235JRG2, P235GH, P245GH, P250GH, P265GH, P355GH, S355J2, 16MN, 20MN, Q235, 20#, CT20, SS400.
Stainless steel: ASTM A182 F304, F304L, F316, F316L, F321, F321H, F304H, F316H, F347H, 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, SUS304, SUS316.
Alloy Steel: ASTM A350 LF2, CL1/CL2, ASTM A182 F5, F9, F11, F12, F22, F91.
Duplex Steel: S31803 / F51 / S32205 / F60 / 1.4462
Super Duplex: S32750 / F53 / 1.4410 / S32760 / F55 / 1.4501
Haihao Group Flange Products Packing:
Wooden case,Plywood case,Pallet.
Haihao Group Flange Products Packing
Hebi Haihao Group as a first class manufacturer of flanges in China,which supplies a variety of socket weld flanges to satisfy our customers’ specific requirements. Our products are produced strictly according to the required standard. Welcome to contact us when you have any need about all kinds of socket weld flanges and other products.