Rishab Steel Indutsries is PED approved Carbon Steel Weld Neck Flange manufacturer in India.We have extensive experience in supplying Carbon Steel Weld Neck Flange are stocked or available in the following range of sizes and materials for the petrochemical, oil, gas and allied industries. Weld Neck Flange can be assembled and disassembled easily with Pipes. SS Weld Neck Flange can be forged or plate.
We have reputed name as Stainless Steel Weld Neck Flange manufacturer in India we offer these Copper Weld Neck Flange, Copper Nickel Weld Neck Flange, Brass Weld Neck Flange,Hastelloy Weld Neck Flange, Inconel Weld Neck Flange, Monel Weld Neck Flange, Alloy 20 Weld Neck Flange, Aluminium Weld Neck Flange, Nickel Weld Neck Flange, Duplex Weld Neck Flange, Super Duplex Weld Neck Flange, Incoloy Weld Neck Flange, 254 Smo Weld Neck Flange and Titanium Weld Neck Flange in all standard in which the common world standards include ASA/ ANSI/ ASME (USA), BS10 (British/ Australian), PN/ DIN (European) and JIS/ KS (Japanese/ Korean). Many Alloy Steel Weld Neck Flange manufacturer in India produce these Carbon Steel Weld Neck Flange from forged materials and have machined surfaces. Compare our price from Weld Neck Flange manufacturers in India or China you will find best rate from our company.
Weld Neck Flange Class 150 has excellent resistance to chloride-ion stress-corrosion cracking, and as well shows appropriate resistance to a number of oxidizing environments. Weld Neck Flanges ASME B16.5 Clas 300 is very much resistant to chemical corrosion and oxidation (corrosion resistant), and has some high stress-rupture effectiveness and low creep rates under high stresses at temperatures after suitable heat treatment. Our Long Weld Neck Flange Manufacturers are accessible to our valuable customers in different range of diameters (d), wall thicknesses (w) and sizes (nom. Pipe Size) in customized form (as per customer requirment or order) and also at quite affordable rates (Best Price In India). Buy Weld Neck Flange A105 at best price in India.
A Weld Neck Flange (BLRF) is a plate for covering or closing the end of a pipe. A Weld Neck Flange Joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together.
Table of Content
Size | Material | Flange | DIN Standard | Price / pcs |
---|---|---|---|---|
DN80 | stainless steel Weld Neck Flange | PN10 | DIN 2633 | £ 40.50 |
DN50 | stainless steel Weld Neck Flange | PN16 | DIN 2635 | £ 55.20 |
DN80 | stainless steel Weld Neck Flange | PN10 | DIN 2633 | £ 62.10 |
DN100 | stainless steel Weld Neck Flange | PN16 | DIN 2632 | £ 55.50 |
DN125 | stainless steel Weld Neck Flange | PN10 | DIN 2633 | £ 100.00 |
DN150 | stainless steel Weld Neck Flange | PN16 | DIN 2635 | £ 110.00 |
Please note this is an approx Price of Weld Neck Flange in India. For final Weld Neck Flange price in India please contact us.
ASME B16.5 Weld Neck Flange Size Chart | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
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Weld Neck Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Weld Neck Flange Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
Weld Neck Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
Most common types of Weld Neck Flange | Forged / Threaded / Screwed / Plate |
Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
Production technique |
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Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove |
Special design | As per your drawing AS, ANSI, BS, DIN and JIS |
Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
Origin | Indian / West Europe / Japan / USA / Korean |
Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
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Weld Neck Flange Uses & application |
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Export to | Saudi Arabia, Spain,Ireland, Singapore,USA, Dubai, Peru, Brazil, Indonesia, Ukraine, Canada, Thailand, Korea, Iran, India, Egypt, Oman etc. |
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 |
High quality Weld Neck Flange manufacturers in India offer these Carbon Steel Weld Neck Flange in DIN, EN, BS, ISO, JIS or ANSI standard.
Stainless Steel Weld Neck Flange | ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409 |
Carbon Steel Weld Neck Flange | ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80) |
Alloy Steel Weld Neck Flange | ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91 |
Copper Weld Neck Flange | T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc |
Titanium Weld Neck Flange | ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7 ASTM R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5 |
Copper Nickel Weld Neck Flange | ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
Brass Weld Neck Flange | 3602 / 2604 / H59 / H62 / etc. |
Nickel Weld Neck Flange | ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC |
Inconel Weld Neck Flange | ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 Weld Neck Flange |
Hastelloy Weld Neck Flange | ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges |
Monel Weld Neck Flange | ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500) |
Alloy 20 Weld Neck Flange | ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3 |
Aluminium Weld Neck Flange | 5052 /6061/ 6063 / 2017 / 7075 / etc. |
Duplex Weld Neck Flange | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
Super Duplex Weld Neck Flange | S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
Incoloy Weld Neck Flange | ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges |
254 Smo Weld Neck Flange | ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547 |
Nimonic Weld Neck Flange | Nimonic 75, Nimonic 80A, Nimonic 90 |
Other Weld Neck Flange material | Tin bronze, Alumunum bronze, Lead bronze |
Rishabh Steel Industries is a manufacturer, exporter and supplier of Weld Neck Flange offering in all Ratings up to 1500#, built a distribution network with more then 55 countries worldwide.
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 46 | Refer Note | 34.9 | 2 | 60.3 | 1.6 |
3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 51 | 42.9 | 2 | 69.9 | 1.6 | |
1 | 25 | 110 | 12.7 | 49 | 33.4 | 54 | 50.8 | 2 | 79.4 | 1.6 | |
1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 56 | 63.5 | 2 | 88.9 | 1.6 | |
1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 60 | 73 | 2 | 98.4 | 1.6 | |
2 | 50 | 150 | 17.5 | 78 | 60.3 | 62 | 92.1 | 2 | 120.7 | 1.6 | |
2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 68 | 104.8 | 2 | 139.7 | 1.6 | |
3 | 80 | 190 | 22.3 | 108 | 88.9 | 68 | 127 | 2 | 152.4 | 1.6 | |
3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 70 | 139.7 | 2 | 177.8 | 1.6 | |
4 | 100 | 230 | 22.3 | 135 | 114.3 | 75 | 157.2 | 2 | 190.5 | 1.6 | |
5 | 125 | 255 | 22.3 | 164 | 141.3 | 87 | 185.7 | 2 | 215.9 | 1.6 | |
6 | 150 | 280 | 23.9 | 192 | 168.3 | 87 | 215.9 | 2 | 241.3 | 1.6 | |
8 | 200 | 345 | 27 | 246 | 219.1 | 100 | 269.9 | 2 | 298.5 | 1.6 | |
10 | 250 | 405 | 28.6 | 305 | 273 | 100 | 323.8 | 2 | 362 | 1.6 | |
12 | 300 | 485 | 30.2 | 365 | 323.8 | 113 | 381 | 2 | 431.8 | 1.6 | |
14 | 350 | 535 | 33.4 | 400 | 355.6 | 125 | 412.8 | 2 | 476.3 | 1.6 | |
16 | 400 | 595 | 35 | 457 | 406.4 | 125 | 469.9 | 2 | 539.8 | 1.6 | |
18 | 450 | 635 | 38.1 | 505 | 457.2 | 138 | 533.4 | 2 | 577.9 | 1.6 | |
20 | 500 | 700 | 41.3 | 559 | 508 | 143 | 584.2 | 2 | 635 | 1.6 | |
24 | 600 | 815 | 46.1 | 663 | 610 | 151 | 692.2 | 2 | 749.3 | 1.6 |
Note: Welding Neck bore is derived from the pipe schedule
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 95 | 12.7 | 38 | 21.3 | 51 | Refer Note | 34.9 | 2 | 66.7 | 1.6 |
3/4 | 20 | 115 | 14.3 | 48 | 26.7 | 56 | 42.9 | 2 | 82.6 | 1.6 | |
1 | 25 | 125 | 15.9 | 54 | 33.4 | 60 | 50.8 | 2 | 88.9 | 1.6 | |
1 1/4 | 32 | 135 | 17.5 | 64 | 42.2 | 64 | 63.5 | 2 | 98.4 | 1.6 | |
1 1/2 | 40 | 155 | 19.1 | 70 | 48.3 | 67 | 73 | 2 | 114.3 | 1.6 | |
2 | 50 | 165 | 20.7 | 84 | 60.3 | 68 | 92.1 | 2 | 127 | 1.6 | |
2 1/2 | 65 | 190 | 23.9 | 100 | 73 | 75 | 104.8 | 2 | 149.2 | 1.6 | |
3 | 80 | 210 | 27 | 117 | 88.9 | 78 | 127 | 2 | 168.3 | 1.6 | |
3 1/2 | 90 | 230 | 28.6 | 133 | 101.6 | 79 | 139.7 | 2 | 184.2 | 1.6 | |
4 | 100 | 255 | 30.2 | 146 | 114.3 | 84 | 157.2 | 2 | 200 | 1.6 | |
5 | 125 | 280 | 33.4 | 178 | 141.3 | 97 | 185.7 | 2 | 235 | 1.6 | |
6 | 150 | 320 | 35 | 206 | 168.3 | 97 | 215.9 | 2 | 269.9 | 1.6 | |
8 | 200 | 380 | 39.7 | 260 | 219.1 | 110 | 269.9 | 2 | 330.2 | 1.6 | |
10 | 250 | 445 | 46.1 | 321 | 273 | 116 | 323.8 | 2 | 387.4 | 1.6 | |
12 | 300 | 520 | 49.3 | 375 | 323.8 | 129 | 381 | 2 | 450.8 | 1.6 | |
14 | 350 | 585 | 52.4 | 425 | 355.6 | 141 | 412.8 | 2 | 514.4 | 1.6 | |
16 | 400 | 650 | 55.6 | 483 | 406.4 | 144 | 469.9 | 2 | 571.5 | 1.6 | |
18 | 450 | 710 | 58.8 | 533 | 457 | 157 | 533.4 | 2 | 628.6 | 1.6 | |
20 | 500 | 775 | 62 | 587 | 508 | 160 | 584.2 | 2 | 685.8 | 1.6 | |
24 | 600 | 915 | 68.3 | 702 | 610 | 167 | 692.2 | 2 | 812.8 | 1.6 |
Note: Welding Neck bore is derived from the pipe schedule
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 95 | 14.3 | 38 | 21.3 | 52 | Refer Note | 34.9 | 7 | 66.7 | 1.6 |
3/4 | 20 | 115 | 15.9 | 48 | 26.7 | 57 | 42.9 | 7 | 82.6 | 1.6 | |
1 | 25 | 125 | 17.5 | 54 | 33.4 | 62 | 50.8 | 7 | 88.9 | 1.6 | |
1 1/4 | 32 | 135 | 20.7 | 64 | 42.2 | 67 | 63.5 | 7 | 98.4 | 1.6 | |
1 1/2 | 40 | 155 | 22.3 | 70 | 48.3 | 70 | 73 | 7 | 114.3 | 1.6 | |
2 | 50 | 165 | 25.4 | 84 | 60.3 | 73 | 92.1 | 7 | 127 | 1.6 | |
2 1/2 | 65 | 190 | 28.6 | 100 | 73 | 79 | 104.8 | 7 | 149.2 | 1.6 | |
3 | 80 | 210 | 31.8 | 117 | 88.9 | 83 | 127 | 7 | 168.3 | 1.6 | |
3 1/2 | 90 | 230 | 35 | 133 | 101.6 | 86 | 139.7 | 7 | 184.2 | 1.6 | |
4 | 100 | 255 | 35 | 146 | 114.3 | 89 | 157.2 | 7 | 200 | 1.6 | |
5 | 125 | 280 | 38.1 | 178 | 141.3 | 102 | 185.7 | 7 | 235 | 1.6 | |
6 | 150 | 320 | 41.3 | 206 | 168.3 | 103 | 215.9 | 7 | 269.9 | 1.6 | |
8 | 200 | 380 | 47.7 | 260 | 219.1 | 117 | 269.9 | 7 | 330 | 1.6 | |
10 | 250 | 445 | 54 | 321 | 273 | 124 | 323.8 | 7 | 387.4 | 1.6 | |
12 | 300 | 520 | 57.2 | 375 | 323.8 | 137 | 381 | 7 | 450.8 | 1.6 | |
14 | 350 | 585 | 60.4 | 425 | 355.6 | 149 | 412.8 | 7 | 514.4 | 1.6 | |
16 | 400 | 650 | 63.5 | 483 | 406.4 | 152 | 469.9 | 7 | 571.5 | 1.6 | |
18 | 450 | 710 | 66.7 | 533 | 457 | 165 | 533.4 | 7 | 628.6 | 1.6 | |
20 | 500 | 775 | 69.9 | 587 | 508 | 168 | 584.2 | 7 | 685.8 | 1.6 | |
24 | 600 | 915 | 76.2 | 702 | 610 | 175 | 692.2 | 7 | 812.8 | 1.6 |
Note: Welding Neck bore is derived from the pipe schedule
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 95 | 14.3 | 38 | 21.3 | 52 | Refer Note | 34.9 | 7 | 66.7 | 1.6 |
3/4 | 20 | 115 | 15.9 | 48 | 26.7 | 57 | 42.9 | 7 | 82.6 | 1.6 | |
1 | 25 | 125 | 17.5 | 54 | 33.4 | 62 | 50.8 | 7 | 88.9 | 1.6 | |
1 1/4 | 32 | 135 | 20.7 | 64 | 42.2 | 67 | 63.5 | 7 | 98.4 | 1.6 | |
1 1/2 | 40 | 155 | 22.3 | 70 | 48.3 | 70 | 73 | 7 | 114.3 | 1.6 | |
2 | 50 | 165 | 25.4 | 84 | 60.3 | 73 | 92.1 | 7 | 127 | 1.6 | |
2 1/2 | 65 | 190 | 28.6 | 100 | 73 | 79 | 104.8 | 7 | 149.2 | 1.6 | |
3 | 80 | 210 | 31.8 | 117 | 88.9 | 83 | 127 | 7 | 168.3 | 1.6 | |
3 1/2 | 90 | 230 | 35 | 133 | 101.6 | 86 | 139.7 | 7 | 184.2 | 1.6 | |
4 | 100 | 275 | 38.1 | 152 | 114.3 | 102 | 157.2 | 7 | 215.9 | 1.6 | |
5 | 125 | 330 | 44.5 | 189 | 141.3 | 114 | 185.7 | 7 | 266.7 | 1.6 | |
6 | 150 | 355 | 47.7 | 222 | 168.3 | 117 | 215.9 | 7 | 292.1 | 1.6 | |
8 | 200 | 420 | 55.6 | 273 | 219.1 | 133 | 269.9 | 7 | 349.2 | 1.6 | |
10 | 250 | 510 | 63.5 | 343 | 273 | 152 | 323.8 | 7 | 431.8 | 1.6 | |
12 | 300 | 560 | 66.7 | 400 | 323.8 | 156 | 381 | 7 | 489 | 1.6 | |
14 | 350 | 605 | 69.9 | 432 | 355.6 | 165 | 412.8 | 7 | 527 | 1.6 | |
16 | 400 | 685 | 76.2 | 495 | 406.4 | 178 | 469.9 | 7 | 603.2 | 1.6 | |
18 | 450 | 745 | 82.6 | 546 | 457 | 184 | 533.4 | 7 | 654 | 1.6 | |
20 | 500 | 815 | 88.9 | 610 | 508 | 190 | 584.2 | 7 | 723.9 | 1.6 | |
24 | 600 | 940 | 101.6 | 718 | 610 | 203 | 692.2 | 7 | 838.2 | 1.6 |
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 60 | Refer Note | 34.9 | 7 | 82.6 | 1.6 |
3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 70 | 42.9 | 7 | 88.9 | 1.6 | |
1 | 25 | 150 | 28.6 | 52 | 33.4 | 73 | 50.8 | 7 | 101.6 | 1.6 | |
1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 73 | 63.5 | 7 | 111.1 | 1.6 | |
1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 83 | 73 | 7 | 123.8 | 1.6 | |
2 | 50 | 215 | 38.1 | 105 | 60.3 | 102 | 92.1 | 7 | 165.1 | 1.6 | |
2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 105 | 104.8 | 7 | 190.5 | 1.6 | |
3 | 80 | 240 | 38.1 | 127 | 88.9 | 102 | 127 | 7 | 190.5 | 1.6 | |
4 | 100 | 290 | 44.5 | 159 | 114.3 | 114 | 157.2 | 7 | 235 | 1.6 | |
5 | 125 | 350 | 50.8 | 190 | 141.3 | 127 | 185.7 | 7 | 279.4 | 1.6 | |
6 | 150 | 380 | 55.6 | 235 | 168.3 | 140 | 215.9 | 7 | 317.5 | 1.6 | |
8 | 200 | 470 | 63.5 | 298 | 219.1 | 162 | 269.9 | 7 | 393.7 | 1.6 | |
10 | 250 | 545 | 69.9 | 368 | 273 | 184 | 323.8 | 7 | 469.9 | 1.6 | |
12 | 300 | 610 | 79.4 | 419 | 323.8 | 200 | 381 | 7 | 533.4 | 1.6 | |
14 | 350 | 640 | 85.8 | 451 | 355.6 | 213 | 412.8 | 7 | 558.8 | 1.6 | |
16 | 400 | 705 | 88.9 | 508 | 406.4 | 216 | 469.9 | 7 | 616 | 1.6 | |
18 | 450 | 785 | 101.6 | 565 | 457 | 229 | 533.4 | 7 | 685.8 | 1.6 | |
20 | 500 | 855 | 108 | 622 | 508 | 248 | 584.2 | 7 | 749.3 | 1.6 | |
24 | 600 | 1040 | 139.7 | 749 | 610 | 292 | 692.2 | 7 | 901.7 | 1.6 |
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 60 | Refer Note | 34.9 | 7 | 82.6 | 1.6 |
3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 70 | 42.9 | 7 | 88.9 | 1.6 | |
1 | 25 | 150 | 28.6 | 52 | 33.4 | 73 | 50.8 | 7 | 101.6 | 1.6 | |
1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 73 | 63.5 | 7 | 111.1 | 1.6 | |
1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 83 | 73 | 7 | 123.8 | 1.6 | |
2 | 50 | 215 | 38.1 | 105 | 60.3 | 102 | 92.1 | 7 | 165.1 | 1.6 | |
2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 105 | 104.8 | 7 | 190.5 | 1.6 | |
3 | 80 | 265 | 47.7 | 133 | 88.9 | 117 | 127 | 7 | 203.2 | 1.6 | |
4 | 100 | 310 | 54 | 162 | 114.3 | 124 | 157.2 | 7 | 241.3 | 1.6 | |
5 | 125 | 375 | 73.1 | 197 | 141.3 | 156 | 185.7 | 7 | 292.1 | 1.6 | |
6 | 150 | 395 | 82.6 | 229 | 168.3 | 171 | 215.9 | 7 | 317.5 | 1.6 | |
8 | 200 | 485 | 92.1 | 292 | 219.1 | 213 | 269.9 | 7 | 393.7 | 1.6 | |
10 | 250 | 585 | 108 | 368 | 273 | 254 | 323.8 | 7 | 482.6 | 1.6 | |
12 | 300 | 675 | 123.9 | 451 | 323.8 | 283 | 381 | 7 | 571.5 | 1.6 | |
14 | 350 | 750 | 133.4 | 495 | 355.6 | 298 | 412.8 | 7 | 635 | 1.6 | |
16 | 400 | 825 | 146.1 | 552 | 406.4 | 311 | 469.9 | 7 | 704.8 | 1.6 | |
18 | 450 | 915 | 162 | 597 | 457 | 327 | 533.4 | 7 | 774.7 | 1.6 | |
20 | 500 | 985 | 177.8 | 641 | 508 | 356 | 584.2 | 7 | 831.8 | 1.6 | |
24 | 600 | 1170 | 203.2 | 762 | 610 | 406 | 692.2 | 7 | 990.6 | 1.6 |
Note: Welding Neck bore is derived from the pipe schedule
Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 135 | 30.2 | 43 | 21.3 | 73 | Refer Note | 34.9 | 7 | 88.9 | 1.6 |
3/4 | 20 | 140 | 31.8 | 51 | 26.7 | 79 | 42.9 | 7 | 95.2 | 1.6 | |
1 | 25 | 160 | 35 | 57 | 33.4 | 89 | 50.8 | 7 | 108 | 1.6 | |
1 1/4 | 32 | 185 | 38.1 | 73 | 42.2 | 95 | 63.5 | 7 | 130.2 | 1.6 | |
1 1/2 | 40 | 205 | 44.5 | 79 | 48.3 | 111 | 73 | 7 | 146 | 1.6 | |
2 | 50 | 235 | 50.9 | 95 | 60.3 | 127 | 92.1 | 7 | 171.4 | 1.6 | |
2 1/2 | 65 | 265 | 57.2 | 114 | 73 | 143 | 104.8 | 7 | 196.8 | 1.6 | |
3 | 80 | 305 | 66.7 | 133 | 88.9 | 168 | 127 | 7 | 228.6 | 1.6 | |
4 | 100 | 355 | 76.2 | 165 | 114.3 | 190 | 157.2 | 7 | 273 | 1.6 | |
5 | 125 | 420 | 92.1 | 203 | 141.3 | 229 | 185.7 | 7 | 323.8 | 1.6 | |
6 | 150 | 485 | 108 | 235 | 168.3 | 273 | 215.9 | 7 | 368.3 | 1.6 | |
8 | 200 | 550 | 127 | 305 | 219.1 | 318 | 269.9 | 7 | 438.2 | 1.6 | |
10 | 250 | 675 | 165.1 | 375 | 273 | 419 | 323.8 | 7 | 539.8 | 1.6 | |
12 | 300 | 760 | 184.2 | 441 | 323.8 | 464 | 381 | 7 | 619.1 | 1.6 |
Note: Welding Neck bore is derived from the pipe schedule
Nominal | Outside | Inside | Outside | Sectional Dimensions of Flange | Bolt Hole | Nominal | Approx. | |||||||||
Dia. of | Dia. of | Dia. of | Dia. of | t | T | Dia. of Hub | r | Dia. of | Dia. of | Bolt. | Number | Hole | Bolt | Weight | ||
Flange | Steel | Flange | Flange | a | b | Face | Raised Face | Circle | of Bolt | Dia. | Size | (kg) | ||||
Pipe | do | D | f | g | Dia | Holes | h | BL | SOH | |||||||
10 | 17.3 | 17.8 | 90 | 12 | 16 | 26 | 28 | 4 | 1 | 46 | 65 | 4 | 15 | M12 | 0.53 | 0.52 |
15 | 21.7 | 22.2 | 95 | 12 | 16 | 30 | 32 | 4 | 1 | 51 | 70 | 4 | 15 | M12 | 0.6 | 0.58 |
20 | 27.2 | 27.7 | 100 | 14 | 20 | 38 | 42 | 4 | 1 | 56 | 75 | 4 | 15 | M12 | 0.79 | 0.75 |
25 | 34 | 34.5 | 125 | 14 | 20 | 46 | 50 | 4 | 1 | 67 | 90 | 4 | 19 | M16 | 1.22 | 1.16 |
32 | 42.7 | 43.2 | 135 | 16 | 22 | 56 | 60 | 5 | 2 | 76 | 100 | 4 | 19 | M16 | 1.66 | 1.53 |
40 | 48.6 | 49.1 | 140 | 16 | 24 | 62 | 66 | 5 | 2 | 81 | 105 | 4 | 19 | M16 | 1.79 | 1.64 |
50 | 60.5 | 61.1 | 155 | 16 | 24 | 76 | 80 | 5 | 2 | 96 | 120 | 8 | 19 | M16 | 2.09 | 1.83 |
65 | 76.3 | 77.1 | 175 | 18 | 26 | 94 | 98 | 5 | 2 | 116 | 140 | 8 | 19 | M16 | 3.08 | 2.58 |
80 | 89.1 | 90 | 200 | 20 | 28 | 108 | 112 | 6 | 2 | 132 | 160 | 8 | 23 | M20 | 4.41 | 3.61 |
-90 | 101.6 | 102.6 | 210 | 20 | 30 | 120 | 124 | 6 | 2 | 145 | 170 | 8 | 23 | M20 | 4.92 | 3.89 |
100 | 114.3 | 115.4 | 225 | 22 | 34 | 134 | 138 | 6 | 2 | 160 | 185 | 8 | 23 | M20 | 6.29 | 4.87 |
125 | 139.8 | 141.2 | 270 | 22 | 34 | 164 | 170 | 6 | 2 | 195 | 225 | 8 | 25 | M22 | 9.21 | 7.09 |
150 | 165.2 | 166.6 | 305 | 24 | 38 | 196 | 202 | 6 | 2 | 230 | 260 | 12 | 25 | M22 | 12.7 | 9.57 |
200 | 216.3 | 218 | 350 | 26 | 40 | 244 | 252 | 6 | 2 | 275 | 305 | 12 | 25 | M22 | 18.4 | 12 |
250 | 267.4 | 269.5 | 430 | 28 | 44 | 304 | 312 | 6 | 2 | 345 | 380 | 12 | 27 | M24 | 30.4 | 20.1 |
300 | 318.5 | 321 | 480 | 30 | 48 | 354 | 364 | 8 | 3 | 395 | 430 | 16 | 27 | M24 | 40.5 | 24.3 |
350 | 355.6 | 358.1 | 540 | 34 | 52 | 398 | 408 | 8 | 3 | 440 | 480 | 16 | 33 | M30×3 | 57.5 | 34.4 |
400 | 406.4 | 409 | 605 | 38 | 60 | 446 | 456 | 10 | 3 | 495 | 540 | 16 | 33 | M30×3 | 81.7 | 47.4 |
450 | 457.2 | 460 | 675 | 40 | 64 | 504 | 514 | 10 | 3 | 560 | 605 | 20 | 33 | M30×3 | 107 | 61.8 |
500 | 508 | 511 | 730 | 42 | 68 | 558 | 568 | 10 | 3 | 615 | 660 | 20 | 33 | M30×3 | 132 | 73.7 |
-550 | 558.8 | 562 | 795 | 44 | 70 | 612 | 622 | 10 | 3 | 670 | 720 | 20 | 39 | M36×3 | 163 | 87.9 |
600 | 609.6 | 613 | 845 | 46 | 74 | 666 | 676 | 10 | 3 | 720 | 770 | 24 | 39 | M36×3 | 192 | 98.4 |
650 | 660.4 | 664 | 895 | 48 | 77 | 704 | 726 | 10 | 5 | 770 | 820 | 24 | 39 | M36×3 | - | - |
700 | 711.2 | 715 | 960 | 50 | 80 | 754 | 776 | 10 | 5 | 820 | 875 | 24 | 42 | M39×3 | - | - |
750 | 762 | 766 | 1020 | 52 | 83 | 806 | 832 | 10 | 5 | 880 | 935 | 24 | 42 | M39×3 | - | - |
800 | 812.8 | 817 | 1085 | 54 | 86 | 865 | 885 | 10 | 5 | 930 | 990 | 24 | 48 | M45×3 | - | - |
850 | 863.6 | 868 | 1135 | 56 | 89 | 916 | 936 | 10 | 5 | 980 | 1040 | 24 | 48 | M45×3 | - | - |
900 | 914.4 | 919 | 1185 | 58 | 93 | 968 | 986 | 10 | 5 | 1030 | 1090 | 28 | 48 | M45×3 | - | - |
1000 | 1016 | 1021 | 1320 | 62 | 99 | 1070 | 1098 | 12 | 5 | 1140 | 1210 | 28 | 56 | M52×3 | - | - |
1100 | 1117.6 | 1123 | 1420 | 66 | 105 | 1180 | 1200 | 12 | 15 | 1240 | 1310 | 32 | 56 | M52×3 | - | - |
1200 | 1219.2 | 1225 | 1530 | 70 | 112 | 1282 | 1302 | 12 | 5 | 1350 | 1420 | 32 | 56 | M52×3 | - | - |
1300 | 1320.8 | 1326 | 1645 | 74 | - | - | - | - | 5 | 1450 | 1530 | 32 | 62 | M56×3 | - | - |
1350 | 1371.6 | 1377 | 1700 | 76 | - | - | - | - | 5 | 1510 | 1590 | 32 | 62 | M56×3 | - | - |
1400 | 1422.4 | 1428 | 1755 | 78 | - | - | - | - | 5 | 1560 | 1640 | 36 | 62 | M56×3 | - | - |
1500 | 1524 | 1529 | 1865 | 80 | - | - | - | - | 5 | 1670 | 1750 | 36 | 62 | M56×3 | - | - |
WELDING NECK FLANGES BORES (in inchines) | ||||||||||||||
Nom Pipe Size |
Outside Diam |
Sched 10 |
Sched 20 |
Sched 30 |
Std. Wall |
Sched 40 |
Sched 60 |
Extra Strong |
Sched 80 |
Sched 100 |
Sched 120 |
Sched 140 |
Sched 160 |
Double Extra Strong |
1/2 | 0.840 | 0.674 | - | - | 0.622 | 0.622 | - | 0.546 | 0.546 | - | - | - | 0.464 | 0.252 |
3/4 | 1.050 | 0.884 | - | - | 0.824 | 0.824 | - | 0.742 | 0.742 | - | - | - | 0.612 | 0.434 |
1 | 1.315 | 1.097 | - | - | 1.049 | 1.049 | - | 0.957 | 0.957 | - | - | - | 0.815 | 0.599 |
1.1/4 | 1.660 | 1.442 | - | - | 1.380 | 1.380 | - | 1.278 | 1.278 | - | - | - | 1.160 | 0.896 |
1.1/2 | 1.900 | 1.682 | - | - | 1.610 | 1.610 | - | 1.500 | 1.500 | - | - | - | 1.338 | 1.100 |
2 | 2.375 | 2.157 | - | - | 2.067 | 2.067 | - | 1.939 | 1.939 | - | - | - | 1.687 | 1.503 |
2.1/2 | 2.875 | 2.635 | - | - | 2.469 | 2.469 | - | 2.323 | 2.323 | - | - | - | 2.125 | 1.771 |
3 | 3.500 | 3.260 | - | - | 3.068 | 3.068 | - | 2.900 | 2.900 | - | - | - | 2.624 | 2.300 |
3-1/2 | 4.000 | 3.760 | - | - | 3.548 | 3.548 | - | 3.364 | 3.364 | - | - | - | - | 2.728 |
4 | 4.500 | 4.260 | - | - | 4.026 | 4.026 | - | 3.826 | 3.826 | - | 3.624 | - | 3.438 | 3.152 |
5 | 5.563 | 5.295 | - | - | 5.047 | 5.047 | - | 4.813 | 4.813 | - | 4.563 | - | 4.313 | 4.063 |
6 | 6.625 | 6.357 | - | - | 6.065 | 6.065 | - | 5.761 | 5.761 | - | 5.501 | - | 5.187 | 4.897 |
8 | 8.625 | 8.329 | 8.125 | 8.071 | 7.981 | 7.981 | 7.813 | 7.625 | 7.625 | 7.437 | 7.187 | 7.001 | 6.813 | 6.875 |
10 | 10.750 | 10.420 | 10.250 | 10.136 | 10.020 | 10.020 | 9.750 | 9.750 | 9.562 | 9.312 | 9.062 | 8.750 | 8.500 | 8.750 |
12 | 12.750 | 12.390 | 12.250 | 12.090 | 12.000 | 11.938 | 11.626 | 11.750 | 11.374 | 11.062 | 10.750 | 10.500 | 10.126 | 10.750 |
14 | 14.000 | 13.500 | 13.376 | 13.250 | 13.250 | 13.124 | 12.812 | 13.000 | 12.500 | 12.124 | 11.814 | 11.500 | 11.188 | - |
16 | 16.000 | 15.500 | 15.376 | 15.250 | 15.250 | 15.000 | 14.688 | 15.000 | 14.312 | 13.938 | 13.564 | 13.124 | 12.812 | - |
18 | 18.000 | 17.500 | 17.376 | 17.124 | 17.250 | 16.876 | 16.500 | 17.000 | 16.124 | 15.688 | 15.250 | 14.876 | 14.438 | - |
20 | 20.000 | 19.500 | 19.250 | 19.000 | 19.250 | 18.812 | 18.376 | 19.000 | 17.938 | 17.438 | 17.000 | 16.500 | 16.062 | - |
24 | 24.000 | 23.500 | 23.250 | 22.876 | 23.250 | 22.624 | 22.062 | 23.000 | 21.562 | 20.938 | 20.376 | 19.876 | 19.312 | - |
30 | 30.000 | 29.376 | 29.000 | 28.750 | 29.250 | - | - | 29.000 | - | - | - | - | - | - |
36 | 36.000 | 35.376 | 35.000 | 34.750 | 35.250 | 34.500 | - | 35.000 | - | - | - | - | - | - |
42 | 42.000 | - | - | - | 41.250 | - | - | 41.000 | - | - | - | - | - | - |
ANSI B16.5 WELD NECK FLANGES WEIGHT (KGS) | ||||||||||||||||||
Nom Pipe Size |
150# | 300# | 600# | 900# | 1500# | 2500# | ||||||||||||
WN | S/O | B/K | WN | S/O | B/K | WN | S/O | B/K | WN | S/O | B/K | WN | S/O | B/K | WN | S/O | B/K | |
1/2 | 0.7 | 0.4 | 0.5 | 0.8 | 0.7 | 0.8 | 0.9 | 0.8 | 0.8 | 2.1 | 1.8 | 1.9 | 2.1 | 1.8 | 1.9 | 3.2 | 3 | 3 |
3/4 | 0.8 | 0.7 | 0.8 | 1.4 | 1.2 | 1.2 | 1.6 | 1.4 | 1.4 | 2.7 | 2.4 | 2.7 | 2.7 | 2.4 | 2.7 | 3.6 | 4 | 4.5 |
1 | 1.1 | 0.8 | 0.9 | 1.7 | 1.4 | 1.5 | 1.9 | 1.7 | 1.7 | 3.9 | 3.6 | 3.7 | 3.9 | 3.6 | 3.7 | 5.4 | 5 | 5 |
1.1/4 | 1.5 | 1.2 | 1.3 | 2.2 | 1.8 | 2 | 2.6 | 2.1 | 2.4 | 4.5 | 4.1 | 4.3 | 4.5 | 4.1 | 4.3 | 7.8 | 8 | 8 |
1.1/2 | 1.8 | 1.4 | 1.6 | 3.2 | 2.7 | 2.9 | 3.6 | 3.1 | 3.4 | 6.2 | 5.4 | 5.9 | 6.2 | 5.4 | 5.9 | 11.5 | 11 | 11 |
2 | 2.7 | 2.2 | 2.6 | 3.6 | 3.2 | 3.5 | 4.7 | 3.9 | 4.4 | 11.3 | 10.5 | 11.3 | 11.3 | 10.5 | 11.3 | 19 | 17 | 17 |
2.1/2 | 4.4 | 3.5 | 4.1 | 5.4 | 4.5 | 5.3 | 4.8 | 5.4 | 6.8 | 16.3 | 15.8 | 16 | 16.3 | 15.8 | 16 | 24 | 25 | 25 |
3 | 5.2 | 3.8 | 5.1 | 7.3 | 5.9 | 7.2 | 8.7 | 7.3 | 8.9 | 15 | 12.3 | 16.8 | 21 | 21.5 | 19.5 | 42.6 | 38 | 39 |
3-1/2 | 6.4 | 5 | 6.5 | 8.9 | 7.5 | 9.2 | 11.6 | 9 | 12.7 | - | - | - | - | - | - | - | - | - |
4 | 7.5 | 5.6 | 7.5 | 11.8 | 10 | 12.2 | 18.4 | 16.5 | 18.6 | 24 | 23.2 | 24.5 | 31.8 | 31 | 33 | 64 | 58 | 60 |
5 | 9.2 | 6.5 | 9.2 | 16 | 12.5 | 16 | 31 | 28.5 | 30.8 | 38.5 | 37.5 | 39.5 | 59 | 58.8 | 60 | 111 | 95 | 101 |
6 | 11.0 | 8.1 | 11.8 | 20.2 | 16.5 | 22 | 37 | 36.2 | 38 | 50 | 48.3 | 51.5 | 72 | 74 | 75 | 171 | 146 | 156 |
8 | 18.4 | 13 | 20.4 | 31.2 | 25.5 | 36 | 54.5 | 51.5 | 62.2 | 85 | 75 | 89 | 124 | 112 | 125 | 261 | 220 | 242 |
10 | 25.5 | 18.4 | 31 | 44.3 | 35 | 55 | 98.5 | 76.2 | 102 | 123 | 110 | 131 | 207 | 184 | 215 | 485 | 420 | 465 |
12 | 37 | 28.5 | 47 | 63.5 | 52 | 82.5 | 105 | 89.5 | 132 | 168 | 146 | 187 | 306 | 264 | 316 | 698 | 590 | 665 |
14 | 51 | 37.5 | 60 | 86 | 73 | 108 | 150 | 102 | 158 | 198 | 172 | 224 | 416 | - | - | - | - | - |
16 | 61.5 | 44.5 | 61 | 112 | 88 | 139 | 177 | 150 | 225 | 225 | 192 | 259 | 567 | - | - | - | - | - |
18 | 71.5 | 54 | 93 | 141 | 115 | 178 | 228 | 180 | 285 | 318 | 272 | 383 | 736 | - | - | - | - | - |
20 | 85 | 72 | 127 | 173 | 139 | 228 | 285 | 231 | 365 | 376 | 330 | 482 | 929 | - | - | - | - | - |
24 | 119 | 95 | 190 | 248 | 212 | 350 | 372 | 330 | 532 | 680 | 632 | 905 | 1504 | - | - | - | - | - |
Dimension | Flange | Tolerance |
---|---|---|
A | Outside Diameter |
|
D | Inside Diameter |
|
B | Diameter of contact face |
|
J | Diameter of hub at base |
|
H | Diameter of hub at point of welding |
|
P | Drilling |
|
Eccentricity of bolt circle with respect to facing |
|
|
C | Thickness |
|
K | Length of hub |
|
Manufacturing Stainless Steel Weld Neck Flange in India, Rishabh Steel Industries holds a wide array of Alloy Steel Weld Neck Flange in all Sizes and Thickness, stock for immediate despatch throughout India & worldwide.
Type of Weld Neck Flange we produce:
Weld Neck Flange Class 150 | Weld Neck Flange Threaded |
Weld Neck Flange Class 300 | Weld Neck Flange With 1/2 Npt |
Weld Neck Flange Class 1500 | Weld Neck Flange With Threaded Hole |
Weld Neck Flange Class 600 | Weld Neck Flange Weight 150# |
Weld Neck Flange Class 900 | Weld Neck Flange Rtj 1500 |
Weld Neck Flange Class 2500 | Weld Neck Flange Ring Type Joint |
Weld Neck Flange Pn16 | Weld Neck Flange Flat Face |
Weld Neck Flange Pn10 | Weld Neck Flange Slip On |
Weld Neck Flange Pn40 | Weld Neck Flange Rtj 900 |
Weld Neck Flange Pn 160 | Weld Neck Flange Rtj |
Weld Neck Flange Pn 64 | Weld Neck Flange Npt |
Weld Neck Flange Dn150 Pn16 | Weld Neck Flange Jis 5k |
Weld Neck Flange Din 2633 | Weld Neck Flange Jis B2220 |
Weld Neck Flange Din En 1092-1 | Weld Neck Flange Jis 10k |
Weld Neck Flange Din 2632 | Kf Weld Neck Flange |
Weld Neck Flange Bolts | Weld Neck Flange EN 1092-1 |
Weld Neck Flange Din 2635 | Weld Neck Flange B16.47 |
Weld Neck Flange Series B | Weld Neck Flange ASME B16.5 |
Weld Neck Flange A105 | Long Weld Neck Flange Manufacturers |
Weld Neck Flange ASME B16.5 Class 300 | Weld Neck Flange Ansi B16.5 150 |
Rishabh Steel Industries is a Govt. approved Carbon Steel Weld Neck Flange exporter in India. Our offered Stainless Steel Weld Neck Flange are manufactured and tested tonational and international standards, and specifications as per ASTM, EN,DIN, JIS etc. Rishabh Steel Industries has reputed name as a trusted vendor of Alloy Steel Weld Neck Flange distributor & dealer in your country. We have largest independent inventory in Middle East, UK, Asia, GCC, Gulf to supply with over 30 countries, we provide after sales service and fast delivery.
AFRICA
|
EUROPE
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MIDDLE EAST
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ASIA
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