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Steel Welding Neck Flange
High quality Steel Welding Neck Flange is the most popular product in our company.We are one of the leading manufacture&supplier of steel welding neck flange, selecting the high quality raw material form large steel plant,guaranteed by various certificates.
Steel Welding Neck Flange is distinguished from other types of flanges by its long tapered hub and the smooth transition of the thickness of the butt weld area connected to the pipe. The Long cone Hub provides flanges with appropriate reinforcement strength and resistance to the angle of the offering. The smooth transition of the thickness of the flange under the condition of repeated bending is very beneficial to the influence of the taper of the thickness of the tube wall, and the endurance strength of the welding neck flange component is equivalent to a pipe between the butt welding joint and the welding pipe in practice. Thus, this type of flange is preferred for each serious service condition, whether it is due to high pressure or from zero or elevated temperatures, and whether the loading conditions are basically constant or fluctuating between the broad limits.
Carbon steel welding neck flange
Stainless steel welding neck flange
Stainless steel slip on flange Specifications
Standards: ANSI B16.5, ASME, AWWA, DIN, GOST, JIS2220, BS4504
Size: 1/2” to 96”, DN15 to DN600
Pressure: Class150 to Class2500
Sealing Face: RF, MFM, TG, FF
Coating: Blank Paint, Yellow transparent Paint, Cold and Hot Dip Galvanize
Package: Seaworthy Plywood Case, Wooden pallet
Carbon Steel: ASTM A105/A105N 350 LF1, LF2 CL1/ CL2, LF3 CL1/CL2, A694 F42, F46, F48,
Stainless steel: A182 F304/F304L/F316/F316L/F321
Alloy steel: ASTM A182 F1, F5, F9, F11, F22, F91
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