Welding Neck Flange

Description:
Product Name: Welding Neck Flange

Asiamerican Industries Co., Ltd is able to supply a wide range of carbon steel, stainless steel and alloy steel flanges ASME/ANSI B16.5 and MSS SP-44 from China, including Slip-on flange (SO), Welding Neck flange (WN), Threaded flange, Lap Joint flange, Socket Welding flange (SW), Blind flange, Long Welding Neck flange (LWN), with materials & grades A105(N), A234 WBP, A420 WPL3/WPL6, A182 F304/F304L/F316/F316L, A182 F5/F5a/F9/F11/F12/F22/F91, F51/F53, etc.

Also we can offer Flate flange, Ring flange, Orifice flnge, Non Standard & Special flanges and other materials, such as brass, nickel and its alloy, titanium, etc.

Welding Neck & Long Welding Neck Flange

Sizes: 1/2"- 80" (DN15-DN2000)
Pressure Grade: 150LBS/300LBS/600LBS/900LBS/1500LBS/2500LBS
Facing: RF(raised face), FF (flat face), MF (Male and Female), TG(tongue and groove face), RTJ (ring type joint)
Surface Treatment: yellow/black lacquer or transparent oil coated to prevent corrosion
Packing: wooden boxes or wooden pallets, seaworthy, according to customer's requirement
Application: Flanges are widely used in petroleum, natural gas, water supply and sewage work, shipbuilding, chemical industry, pipe projects, etc.
Note: special design available according to customer's drawing

We are able to supply flanges with different standards as follows:
a ) American Standards:
ANSI B16.5/API605, 6A, 6B/MSS SP44/AWWA C207
b ) German Standards:
DIN2527/2528/2561/2565/2566/2573/2576/2627-2630/2641/2642/2655/ 2656/2673/86029/86030
c ) British Standards:
BS 4504 PN16,PN25,PN40/BS10 TABLE E/TABLE D
d ) Japanese Standards:
JIS/KS 5K, 10K, 16K, 20K, 30K
e ) Italian Standards:
UNI2253/2254/2276-2278/2281-2284/6083/6084/6089-6093
f ) Non-standard or special Flange:
We can manufacture the flanges according to customers' drawing or sample with maximum outer diameter 5000mm and unit weight under 4 tons.

Description: The Welding neck flange is used to close off the ends of a piping system and/or a pressure vessel opening. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.

Standards: ASME/ANSI B16.5/B16.36/B16.44/B16.47/B16.48, DIN2527/DIN2566/DIN2573, JIS B2220, BS 4504, BS10, EN 1092-1, UNI 2276/2277, AS 2129/4087, MSS SP44, etc.
Materials and Grades:
Carbon Steel:
ASTM A105(N)
ASTM A234 WPB/WBC
ASTM A420 WPL3/WPL6
ASTM A694 F42/F46/F52/F56/F60/F65/F70
ASTM A350 LF2/LF3
Stainless Steel: ASTM A182 F304/F304L/F316/F316L/F316Ti/F321/F321H,etc.
Duplex Stainless Steel: ASTM A182 F51/UNS S31803, F53/UNS S32750, F55/UNS S32760, etc.
Alloy Steel: A182 F1/F5/F5a/F9/F11/F12/F22/F91

Inquiry for Welding Neck Flange

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