Weld Neck Flange

Stainless Steel WNRF Flange and ASTM A105 Welding Neck Flange manufacturer in India

Flanges are structural systems used to connect pipes, tubes, valves in a piping system. A Weld Neck Flange is made up of a long tapered hub or bore. These flanges possess superior strength and enhanced hardness. They are widely used in high as well as low pressure and temperature applications. The long tapered hub of the Wnrf Flange gives the pipes structural support during rigorous and extreme movement of pipes within the system. Apart from this, flanges also help in low cycle fatigue, which is caused due to extension of the line. The Stainless Steel Weld Neck Flange is highly resistant to all forms of corrosion and oxidation mediums. These flanges possess superior tensile and yield strength. They can be easily machined or elongated. We are the top Weld neck flanges manufacturers in India. Our institution aims to produce the best products, which are available for all at reasonable prices.

Stainless Steel Weld Neck Flange

Carbon Steel Weld Neck Flange is designed with a higher concentration of carbon. Due to the presence of excess carbon, these flanges possess enhanced strength and ductility. They also have a low melting point. In the Weld Neck Pipe Flanges, the flange provides a leakproof sealing to the piping system. The inside diameter of these flanges is bored to match the mating of the pipe. This allows for low turbulence and a smooth flow of fluids or gases. A Raised Face Weld Neck Flange has a raised surface above the welding area, which is designed to reduce the surface area on the seal. This helps put pressure on the flange joint to create a strong joint. In the Flat Face Weld Neck Flange, the top surface is machined down to make it completely flat. These flanges are not affected by the bending pressure, which breaks or destroys some flanges when they are bolted or torqued. A Reducing Weld Neck Flange is mostly used in piping systems where there is a requirement to join pipes of different sizes together. These flanges can also be employed to reduce the diameter of the pipe. The Long Weld Neck Flange is a preferred choice in volatile and hostile environments. These flanges are widely used in petroleum, oil, gas, and chemical processing refineries. We are amongst the few Long Weld Neck Flange manufacturers who make use of the best raw materials and latest technology to manufacture all our products.

The Rtj Weld Neck Flange is used in systems where a metal-to-metal seal is required. These high-integrity sealing flanges can withstand high pressures and temperatures above 700-800 degrees. A Weld Neck Orifice Flange is installed in pipelines to check the flow rate of either fluids or gases in a pipeline. All our products can be easily customized in different chemical make-up, shapes, and sizes as per the requirements of our clients. If you have any queries or want to know more about our Welding Neck Flange, contact us for more information.

Manufacturer of Carbon Steel Weld Neck Flange in RF FF Rtj Face, check SS Long Weld Neck Flange dimensions in mm and pressure class


Weld Neck Flange Specification

ANSI B16.5 Class 150 to 2500 Stainless Steel Weld Neck Flange available in ASTM A182 F304/ 316/ 316L grades, check Series B Welding Neck Flange sizes, weight and price in India

Size: 1/2" (15 NB) to 48" (1200NB)

Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

Carbon Steel Weld Neck Flange/ WNRF Flange Flanges: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8

Stainless Steel Weld Neck Flange/ WNRF Flange Flanges: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L

Alloy Steel Weld Neck Flange/ WNRF Flange Flanges: ASTM A182 F1, F5, F9, F11, F22, F91

Special Alloy Weld Neck Flange/ WNRF Flange Flanges: Duplex, Super Duplex, Nickel Alloys

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Value Added Services: CNC Machining, Customised Flanges

Stainless Steel Weld Neck Flanges manufacturers in India

Stainless Steel Weld Neck Flange Dimension chart

Buy ASTM A350 LF2 Weld Neck Pipe Flanges to Duplex Weld Neck Orifice Flange at factory price in Mumbai
Welding Neck Flange Bores
Nominal Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter (inches)
Light Wall 1) Schedule 20 Schedule 30 Standard Wall Schedule 40 Schedule 60
1/2 0.840 0.674 - - 0.622 0.622 -
3/4 1.050 0.884 - - 0.824 0.824 -
1 1.315 1.097 - - 1.049 1.049 -
1 1/4 1.660 1.442 - - 1.380 1.380 -
1 1/2 1.900 1.682 - - 1.610 1.610 -
2 2.375 2.157 - - 2.067 2.067 -
2 1/2 2.875 2.635 - - 2.469 2.469 -
3 3.500 3.260 - - 3.068 3.068 -
3 1/2 4.000 3.760 - - 3.548 3.548 -
4 4.500 4.260 - - 4.026 4.026 -
5 5.563 5.295 - - 5.047 5.047 -
6 6.625 6.357 - - 6.065 6.065 -
8 8.625 8.329 8.125 8.071 7.981 7.981 7.813
10 10.750 10.420 10.250 10.136 10.020 10.020 9.750
12 12.750 12.390 12.250 12.090 12.000 11.938 11.626
14 14.000 13.500 13.376 13.250 13.250 13.124 12.812
16 16.000 15.500 15.376 15.250 15.250 15.000 14.688
18 18.000 17.500 17.376 17.124 17.250 16.876 16.500
20 20.000 19.500 19.250 19.000 19.250 18.812 18.376
24 24.000 23.500 23.250 22.876 23.250 22.624 22.062
30 30.000 29.376 29.000 28.750 29.250 - -
36 36.000 35.376 35.000 34.750 35.250 34.500 -
42 42.000 - - - 41.250 - -
48 48.000 - - - 47.250 - -
Exporter & supplier of Mild/ Alloy Steel Reducing Weld Neck Flange in Grade ASTM A182 F11, ask for a free sample now
Welding Neck Flange Bores
Nominal Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter (inches)
Extra Strong Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Double Extra Strong
1/2 0.840 0.546 0.546 - - - 0.464 0.252
3/4 1.050 0.742 0.742 - - - 0.612 0.434
1 1.315 0.957 0.957 - - - 0.815 0.599
1 1/4 1.660 1.278 1.278 - - - 1.160 0.896
1 1/2 1.900 1.500 1.500 - - - 1.338 1.100
2 2.375 1.939 1.939 - - - 1.687 1.503
2 1/2 2.875 2.323 2.323 - - - 2.125 1.771
3 3.500 2.900 2.900 - - - 2.624 2.300
3 1/2 4.000 3.364 3.364 - - - - 2.728
4 4.500 3.826 3.826 - 3.624 - 3.438 3.152
5 5.563 4.813 4.813 - 4.563 - 4.313 4.063
6 6.625 5.761 5.761 - 5.501 - 5.187 4.897
8 8.625 7.625 7.625 7.437 7.187 7.001 6.813 6.875
10 10.750 9.750 9.562 9.312 9.062 8.750 8.500 8.750
12 12.750 11.750 11.374 11.062 10.750 10.500 10.126 10.750
14 14.000 13.000 12.500 12.124 11.814 11.500 11.188 -
16 16.000 15.000 14.312 13.938 13.564 13.124 12.812 -
18 18.000 17.000 16.124 15.688 15.250 14.876 14.438 -
20 20.000 19.000 17.938 17.438 17.000 16.500 16.062 -
24 24.000 23.000 21.562 20.938 20.376 19.876 19.312 -
30 30.000 29.000 - - - - - -
36 36.000 35.000 - - - - - -
42 42.000 41.000 - - - - - -
48 48.000 47.000 - - - - - -