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Weld Neck Flanges

Weld Neck Flanges are flanges that designed to be joined to a piping system by butt welding. the WN Flange is relatively expensive because of its long neck, but is preferred for high stress applications. The neck, or hub, transmits stresses to the pipe, reducing stress concentrations at the base of the Welding-Neck flanges. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the Weld Neck flange. The bore of the Weld-Neck flange matches the bore of the pipe, reducing turbulence and erosion.

Weld Neck Flange manufacturer PipesTec supplies Weld Neck Flanges, WN Flanges, Welding-Neck Fittings in carbon steel, Stainless Steel, alloy steel, etc.

Weld Neck Flanges Product List

Stainless Steel WN Flanges
ST 013-FL16
Stainless Steel Weld Neck Flange Manufacturer PipesTec supplies Stainless Steel Weld Neck Flanges, SS WN Flange, Used in Oil, Gas, Offshore, Water, ship, Electric Power, etc.
A182 F304L WN Forged Flange, 150# RF, SCH 10S, 24 Inch
ST 013 WNF 04
Weld neck flange manufacturer PipesTec supplies stainless steel A182 F304L WN forged flange 150# RF SCH 10S 24 Inch, meeting API, ANSI, BS, JIS, UNI, MSS SP.
API, ANSI, BS, JIS, UNI, MSS, SP Forged Steel Flanges
ST 010-FL
Forged Steel Flange Manufacturer PipesTec Supplies API Forged Steel Flanges, ANSI, BS, JIS, UNI, MSS, SP Forged Steel Flanges with 1/2 to 56-inch Size Range.
ASTM A105 Weld Neck Flanges
ST 012-FL3
ASTM A105 Weld Neck Flange Manufacturer PipesTec Supplies ASTM A105 Weld Neck Flanges, ASTM A105 WN Flanges with Standard Marking Made of ASTM A105.
Yellow Golden Painting Weld Neck Flanges
ST 013-FL8
Weld Neck Flange Manufacturer PipesTec Supplies Yellow Weld Neck Flanges, Golden painting Weld Neck Flanges with Yellow Golden Anti-corrosive Painting.
Forged Pipe Flanges
ST 012-FL2
Forged Pipe Flange Manufacturer PipesTec Supplies Forged Pipe Flanges, Forged Steel Pipe Flanges Used in Oil & Gas, Offshore, Water, Ship, Power Projects etc.
Forged Flanges
ST 013-FL
Forged Flange Manufacturer & Supplier PipesTec supplies Great Quality Forged Flanges Made of A105, LF2, F304, F304L, F316, F316L,Q235 and other Steel.
Forged Steel Flanges
ST 010-FL01
Forged Steel Flange Manufacturer PipesTec supplies Industrial Forged Steel Flanges Used in: Oil, Offshore, Water, Ship, Natural Gas, Power, Pipe Projects etc.
Forged Steel Weld Neck Flanges
ST 013-FL1
Forged Steel Weld Neck Flange Manufacturer PipesTec supplies Forged Steel Weld Neck Flanges, Forged Steel WN Flanges with Pressure ANSI class 150 to 2,500.
Forged WN Flanges
ST 011-FL
Forged WN Flange Manufacturer PipesTec Supplies DN 15 to DN 1,400 mm Forged WN Flanges, Forged Weld Neck Flanges  with ANSI Class 150 to 2,500 Pressure Units.
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