• Weld Neck Flanges, WN Flange, Welding-Neck Fittings

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

Weld Neck Flanges Products List

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LD 16 WNF 35

China ASTM A105N WN Flange Manufacturer Landee Supplies ASTM A105N Welding Neck Flange, 10 Inch, Class 150 LB, SCH 40, Black Painting.

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LD 16 WNF 34

China A694 F60 Weld Neck Flange Manufacturer Landee Supplies ASTM A694 F60 Weld Neck Flange, 30 Inch, Class 600 LB, Raised Face Flange, Black Coating.

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LD 16 WNF 27

China ASTM A182 F316 WN Flange Manufacturer Landee offers ASTM A182 F316 Weld Neck Flange, 150LB, 12 Inch, SCH 40, RF, generally applied in machine.

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LD 16 WNF 25

China ASTM A182 F316L WN Flange Manufacturer Landee offers ASTM A182 F316L WN Flange, PN16 (150 LB), DN80 (3 Inch), Standard EN1092-1 Type 11.

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LD 16 WNF 22

China ASTM A105 WN Flange Manufacturer Landee offers ASTM A105 Welding Neck Flange, 30 Inch, 150 LB, Raised Face, Standard ASME B16.47 Ser.B.

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LD 16 WNF 30

China ASME B16.5 WN Flange Manufacturer Landee Offers ASME B16.5 WN Flange, A105, Size 10 Inch, Pressure 300LB, Wall Thickness SCH STD.

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LD 16 WNF 20

China Grooved WN Flange Manufacturer Landee offers Ductile Iron Grooved WN Flange with red painting, ASTM A536, 150mm, RF Ends, UL & FM & CE.

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LD 13 SSWNF 06

Weld Neck Flanges manufacuturer Landee supplies Stainless Steel 1.4404 EN 1092-1 WN Flange, size DN 100, pressure PN 16, wall thickness 8.0 mm.

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LD 13 WNF 06

Weld Neck Flange manufacturer Landee supplies ASTM A182 F5 WN RF Flange, SCH 40, 6 inch, Class 300#, meeting ASME B16.5 standard.

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LD 13 WNF 03

Weld neck flange manufacturer Landee supplies Forged A182 F316 WN Flange featured 300#,RF,STD,DN 200, 1/2 - 56 Inch, meeting API,ANSI,BS,JIS,UNI,MSS SP.

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LD 13 WNF 01

China weld neck flange manufacturer Landee suuplies Alloy Steel ASTM A182 F9 weld neck flanges, butt welded, Schedule XS, with size of 2 inch, 300 LB RF.

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LD 014-FL02

Carbon Steel Weld Neck Flange Manufacturer Landee Supplies Carbon Steel Weld Neck Flanges, Carbon Steel Flange, Carbon WN Flange, Carbon Steel WN Flange for pipeline systems.

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LD 010-FL1

Weld Neck Flange Manufacturer Landee Supplies Weld Neck Pipe Flanges, Steel Weld Neck Flanges made from Carbon Steel, Stainless Steel, Alloy Steel, etc.

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LD 013-FL9

Stainless Steel Weld Neck Flange Manufacturer Landee Supplies Stainless Steel Weld Neck Flanges, SS WN Flange Used in Oil & Gas, Offshore Projects, etc.

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LD 010-FL04

RTJ WN Flange Manufacturer Landee Supplies Ring Type Joint Weld Neck Flanges (RTJ WN Flanges) model with Standard Marking and Black Painting.

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LD 013-FL17

.Long WN Flange Manufacturer Landee Supplies 1/2 to 56 inches Long Weld Neck Flanges, LWN Flanges Available in ANSI, BS, JIS, UNI, MSS and SP Standards.

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LD 012-FL

Forged Flange Manufacturer Landee Supplies Golden Coating Forged Flanges, Yellow Forged Flanges, Made of A105, LF2 and F304 and other Steel.

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LD 011-FL

Forged WN Flange Manufacturer Landee 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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LD 013-FL1

Forged Steel Weld Neck Flange Manufacturer Landee supplies Forged Steel Weld Neck Flanges, Forged Steel WN Flanges with Pressure ANSI class 150 to 2,500.

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LD 010-FL01

Forged Steel Flange Manufacturer Landee supplies Industrial Forged Steel Flanges Used in: Oil, Offshore, Water, Ship, Natural Gas, Power, Pipe Projects etc.

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LD 013-FL8

Weld Neck Flange Manufacturer Landee Supplies Yellow Weld Neck Flanges, Golden painting Weld Neck Flanges with Yellow Golden Anti-corrosive Painting.

Discover top-quality forged flanges from a leading exporter, available in 10-inch size (DN250) with Class 900 LB and PN150 specifications. Crafted from high-performance Nickel Alloy 625, also known as Inconel 625, these flanges meet ASTM B564 UNS N06625 standards. Featuring a wall thickness of 9.27 mm, RF end, and undergoing a rigorous 100% PT test, our products guarantee reliability and durability for your industrial needs.

Explore top-quality Long Weld Neck Flanges from a trusted supplier offering forged steel options in ASTM A105, A181, A516, A694 F42-F70, and SS 400 materials. Available in sizes ranging from 1/2 to 160 inches (DN15-DN4000), our flanges adhere to industry standards including ASME B16.5, B16.47, BS 4504, and DIN 2631. Choose reliability and precision for your projects with our comprehensive range of Long Weld Neck Flanges.

Copper Nickel Weld Neck Flange manufactured to ASTM B151 UNS C70600, CuNi10Fe1.6Mn, UNS 7060X standards, with specifications including DIN 2633, EEMUA 145, ANSI B16.5, BS 4504, BS 10, EN 1092. Available in sizes ranging from 1/2 to 24 inches.

Welcome to our Welded Neck Flange Factory, offering top-quality ASTM A350 LF2 flanges. Our products boast a 12-inch diameter, DN300 size, and are designed for Class 1500 LB and PN250 applications. With a robust 1-inch thickness and WT of 25.4mm, these flanges meet ASME B16.5 standards, feature RTJ ends, and come with a durable anti-rust black painting. Trust our factory for reliable and high-performance flange solutions.

Explore top-quality Forged Stainless Steel WN Flanges crafted by ASTM A182 F316L standards. Sized at DN150 and 6 inches, these flanges boast a robust design with PN100 and Class 600 LB ratings. Compliant with EN 1092-1, featuring a wall thickness of 18mm, they are crafted for excellence. Perfect for export to the European Market.

Explore a leading Long Type Weld Neck Flange manufacturer offering a wide range of options in Carbon, Alloy, Duplex Stainless Steel, and Monel materials. Sizes range from 1/2 to 160 inches, with Class specifications from 75 to 2500 LB. Our flanges adhere to ASME, ANSI, BS, and DIN standards, available in RF, FF, and RTJ designs for versatile applications.

Looking for a reliable Stainless Steel Weld Neck Flange provider? We offer ASTM A182 F316 flanges with a 20-inch diameter (DN500), Class 300 LB and PN50 rating, SCH 20 thickness, and T & G ends face. Find the quality you need for your industrial applications.

Leading Manufacturer of Forged Steel Weld Neck, Blind, and Slip On Flanges in ASTM A182 F51 and ASTM A182 F53 Duplex Stainless Steel. ASME B16.5 Standard, Sizes Ranging from 1/2 to 48 Inches, Suitable for 150 to 1500 LB Applications.

Discover Your Reliable Forged Steel Weld Neck Flange Supplier - 30 Inch, DN750, Class 150 LB, PN20, ASTM A105, ASME B16.47 Serie A, SCH STD, RF End. High-quality, Durable Flanges for Your Industrial Needs.