About Weld Neck Flanges By

by yane Yang Sales Manager

Specification of Weld Neck Flange

Weld Neck Flange is that designed to be joined to a piping system by butt welding. This kind of flange include lots of specification,Weld neck Flange is expensive because of its long neck and cost of people for contact WN flange with pipeline or fitting, but is preferred for high stress applications. The necks, or hubs, transmits stresses to the pipeline. 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 Weld-Neck flange matches bore of the pipeline, reducing turbulence and erosion.

16.5 Welding Neck Flange 150lb
B16.5 Welding Neck Flange 300lb
B16.5 Welding Neck Flange 600lb
B16.5 Welding Neck Flange 900lb
B16.5 Welding Neck Flange 1500lb
B16.5 Welding Neck Flange 2500lb
B16.47 Ser.B (API)Welding Neck Flange 75lb
>B16.47 Ser.B (API)Welding Neck Flange 150lb
B16.47 Ser.B (API)Welding Neck Flange 300lb
B16.47 Ser.B (API)Welding Neck Flange 600lb
B16.47 Ser.B (API)Welding Neck Flange 900lb
B16.47 Ser.A (MSS SP44) Welding Neck Flange 150lb
B16.47 Ser.A (MSS SP44) Welding Neck Flange 300lb
B16.47 Ser.A (MSS SP44) Welding Neck Flange 600lb
B16.47 Ser.A (MSS SP44) Welding Neck Flange 900lb
Description of Welding neck flange
Type: WN Forged Flange
Material: Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8, Stainless Steel: F304 F304L F316 F316L 316Ti, Copper etc.
Standard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820
Size: 1/2-78 inch (DN15-DN2000)
Pressure: ANSI class 150,300,600,1500,2500, DIN PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160
Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.
Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc

Yaang Pipe Industry can supply you the following :

SS Weld Neck FlangeCS Weld Neck FlangeAlloy Steel WNFF5 Weld Neck FlangeF11 Weld Neck Flange
F22 Weld Neck FlangeF12 Weld Neck FlangeF91 Weld Neck FlangeSS 304 Weld Neck FlangeSS 304L Weld Neck Flange
SS 316 Weld Neck FlangeSS 316L Weld Neck FlangeSS 317 Weld Neck FlangeSS 317L Weld Neck FlangeSS 321 Weld Neck Flange
SS 347H Weld Neck FlangeSS 904L Weld NEck FlangeDuplex Weld Neck FlangeS31803 Weld Neck FlangeS32205 Weld NEck Flange
Monel 400 Weld Neck FlangeMonel K500 Weld Neck FlangeInconel Weld Neck FlangeDuplex Weld NEck FlangeSuper Duplex Weld Neck Flange
S32750 Weld Neck FlangeS32760 Weld Neck FlangeF51 Weld Neck FlangeF53 Weld Neck FlangeA694 F42 Weld NEck Flange
A694 F46 Weld Neck FlangeA694 F52 Weld Neck FlangeA694 F56 Weld Neck FlangeA690 F60 Weld Neck FlangeA694 F65 Weld Neck Flange
A694 F70 Weld Neck FlangeA350 LF2 Weld Neck FlangeA350 LF3 Weld Neck FlangeA707 L1 Weld Neck FlangeA707 L2 Weld Neck Flange
A707 L3 Weld Neck FlangeA105 Weld Neck FlangeF904L Weld Neck FlangeInconnel 625 Weld Neck FlangeIncoloy 800 Weld Neck Flange
Incoloy 800H Weld Neck FlangeIncoloy 800HT Weld Neck FlangeHastelloy B2 Weld Neck FlangeHastelloy B3 Weld Neck FlangeHastelloy C22 Weld Neck Flange
Hastelloy C276 Weld Neck FlangeKOC approved Weld Neck FlangeKNPC approved Weld Neck FlangeAaramco approved Weld Neck FlangeStainless Steel WNRF Flange
Carbon Steel WNRF FlangeAlloy Steel WNRF FlangeF5 WNRF FlangeF11 WNRF FlangeF22 WNRF Flange
F12 WNRF FlangeF91 WNRF FlangeSS304 WNRF FlangeSS304L WNRF FlangeSS3016 WNRF Flange
SS316L WNRF FlangeSS 317 WNRF FlangeSS317L WNRF FlangeSS321 WNRF FlangeSS347H WNRF Flange
SS904L WNRF FlangeDuplex WNRF FlangeS31803 WNRF FlangeS32205 WNRF FlangeMonel 400 WNRF Flange
Monel K500 WNRFInconel WNRF FlangeDuplex WNRF FlangeSuper Duplex WNRFS32750 WNRF Flange
S32760 WNRF FlangeF51 WNRF FlangeF53 WNRF FlangeA694 F42 WNRF FlangeA694 F46 WNRF Flange
A694 F52 WNRF FlangeA694 F56 WNRF FlangeA694 F60 WNRF FlangeA694 F65 WNRF FlangeA694 F70 WNRF Flange
A350 LF2 WNRF FlangeA350 LF3 WNRF FlangeA707 L1 WNRF FlangeA707 L2 WNRF FlangeA707 L3 WNRF Flange
A105 WNRF FlangeF904L WNRF FlangeInconel 625 WNRF FlangeIncoloy 800 WNRF FlangeIncoloy 800H WNRF Flange
Incoloy 800HT WNRF FlangeHastelloy WNRF FlangeHastelloy B2 WNRF FLangeHastelloy B3 WNRF FlangeHastelloy C22 WNRF FLange
Hastelloy C276 WNRF FLangeKOC approved WNRF FLangeKNPC approved WNRF FlangeAaramco approved WNRF FlangeStainless Steel WNFF Flange
Carbon Steel WNFF FlangeAlloy Steel WNFF FlangeF5 WNFF FlangeF11 WNFF FlangeF22 WNFF Flange
F12 WNFF FlangeF91 WNFF FlangeSS304 WNFF FlangeSS304L WNFF FlangeSS316 WNFF Flange
SS316L WNFF FlangeSS317 WNFF FlangeSS317L WNFF FlangeSS321 WNFF FlangeSS347H WNFF Flange
SS904L WNFF FlangeDuplex WNFF FlangeS31803 WNFF FlangeS32205 WNFF FlangeMonel 400 WNFF Flange
Monel K500 WNFF FlangeInconel WNFF FlangeDuplex WNFF FlangeSuper Duplex WNFF FlangeS32750 WNFF Flange
S32760 WNFF FlangeF51 WNFF FlangeF53 WNFF FlangeA694 F42 WNFF FlangeA694 F46 WNFF Flange
A694 F52 WNFF FlangeA694 F56 WNFF FlangeA694 F60 WNFF FlangeA694 F65 WNFF FlangeA694 F70 WNFF Flange
A350 LF2 WNFF FlangeA350 LF3 WNFF FlangeA707 L1 WNFF FlangeA707 L2 WNFF FlangeA707 L3 WNFF Flange
A105 WNFF FlangeF904L WNFF FlangeInconel 625 WNFF FlangeIncoloy 800H WNFF FlangeIncoloy 800HT WNFF Flange
Hastelloy WNFF FlangeHastelloy B2 WNFF FLangeHastelloy B3 WNFF FlangeHastelloy C22 WNFF FLangeHastelloy C276 WNFF FLange
KOC approved WNFF FLangeKNPC approved WNFF FlangeAaramco approved WNFF Flange
Source: Zhejiang Yaang Pipe Industry Co., Limited (

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About yane Yang Senior     Sales Manager

144 connections, 0 recommendations, 658 honor points.
Joined APSense since, June 7th, 2014, From wenzhou, China.

Created on Dec 31st 1969 18:00. Viewed 0 times.


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