Weld Neck Flange

Welding Neck Flange is a flange with a neck and a circular tube that is connected with the pipe butt welding. Welding neck flanges have good sealing performance and hardly deformed, apply to the temperature or pressure fluctuate dramatically pipe or high temperature, high pressure and low temperature pipes, also used in expensive medium, flammable and explosive medium, toxic gas pipeline.
Standards: ANSI B16.5, ASME, AWWA, DIN, GOST, JIS2220, BS4504
Size: 1/2” to 60”, DN15 to DN1500
Pressure Class: Class150 to Class2,500; PN10 to PN160
Sealing Face: RF, MFM, TG, RJ, FF

Material of Welding Neck Flange:
Carbon Steel: ASTM A105/A105N, 350 LF1,LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65
Stainless steel: A182 F304/F304L/F316/F316L/F321
Alloy steel: ASTM A182 F1, F5, F9, F11, F22, F91
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