ANSI B16.5 / ASME B16.47 Long Weld Neck Flange Supplier, Manufacturer in India
As one of the piping solution Manufacturer, Exporters, and Suppliers of Long Weld Neck Flange. Unichem Steel & Alloy Pvt. Ltd. has been committed to providing one-stop solutions for projects within the fields of oil and gas, water, renewable energy, and infrastructure. With years’ consistent dedication and innovation, our reliable, cost-effective, and environment-friendly solutions have won clients’ wide recognition. We develop products that are sustainable and durable within the changing market trends. Our products are built to last and offer outstanding usability in all types of use. The Long Weld Neck Flange is generally mentioned as the high hub flange. Long welding neck flange, integral flange, LWN Flanges are just like standard Welding Neck flanges, but the “Neck” is considerably longer than other flanges. LWN flange is usually used as a nozzle for a barrel or column. There are the sort LWN Heavy Barrel (HB) and therefore the Equal LWN Barrel (E), they need a unique shape and a thicker “Wall”. Typically, the long weld-neck flange is that the anchors for water mains or sources of gas being pumped into a bigger network of pipes, like those in a factory or in an apartment house. we’ve customization options on Long Weld neck Flange like size, thickness, grades, standards, and Finishing as per customer requirements.
Largest Stockist of ANSI B16.5 / ASME B16.47 Long Weld Neck Flanges, LWN Flange, Long Weld Neck Forged Flange, DIN Long Weld Neck Flange, Series A & B LWN Flanges, MSS Long Weld Neck Flange, AWWA Long Weld Neck Flange, ISO Long Weld Neck Flange, UNI Long Weld Neck Flange, API Long Weld Neck Flange, GOST Standard Long Weld Neck Flange in Mumbai.
Most Trusted Exporters of ANSI/ASME B16.5, ANSI/ASME B16.47 Long Weld Neck Flanges in South Africa, Saudi Arabia, Spain, Kuwait, Singapore, Malaysia, UAE, Italy, Nigeria, Iraq, Thailand, Turkey, Vietnam, Oman, Qatar, Myanmar, Sri Lanka.
ASME B16.5 Long Weld Neck Flange Specifications
Specifications
ASTM A182, A 240, A105, A350, A694, A516 / ASME SA182, SB240, SA 105, SA350, SA694
Standards / Dimensions
ANSI B16.47, MSS SP44, ANSI B16.5, Series A & B, ASA, API-605, AWWA, B16.48, BS 10, BS4504, EN-1092, DIN.
Size & Thickness
½” (15 NB) to 48″ (1200NB)
Pressure Class
PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Class
150#, 300#, 400#, 600#, 900#, 1500#, 2500#.
Forms
LWN
Flange Face Type
Flat Face (FF), Raise Face (RF), Ring Joint (RJT)
Connection Type
Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove
Leading Manufacturers of Different Types of ASTM A182 Stainless Steel Flanges in the form of Slip On Flange | Weld Neck Flange | Blind Flange | Lap Joint Flange | Threaded Flange | Socket Weld Flange | Plate Flange | Ring Joint Type Face | Spectacle Blind Flange | High Hub Blinds | Orifice Flanges | Reducing Flanges | Square Flanges | Groove & Tongue Flanges | Long Neck Weld Flanges | Spades and Ring Spacers Flange | Weldo Flange | Nipo Flange | Expander Flange at Best Prices in India.
ANSI B16.5 / ASME B16.47 Long Weld Neck Flange Dimensions
150 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | ||||||||
| 1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 34.9 | 2 | 60.3 | as per requirement | 4 | 1/2 | 50 | 55 | 5/8 | M14 |
| 3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 42.9 | 2 | 69.9 | as per requirement | 4 | 1/2 | 50 | 65 | 5/8 | M14 |
| 1 | 25 | 110 | 12.7 | 49 | 33.4 | 50.8 | 2 | 79.4 | as per requirement | 4 | 1/2 | 55 | 65 | 5/8 | M14 |
| 1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 63.5 | 2 | 88.9 | as per requirement | 4 | 1/2 | 55 | 70 | 5/8 | M14 |
| 1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 73 | 2 | 98.4 | as per requirement | 4 | 1/2 | 65 | 70 | 5/8 | M14 |
| 2 | 50 | 150 | 17.5 | 78 | 60.3 | 92.1 | 2 | 120.7 | as per requirement | 4 | 5/8 | 70 | 85 | 3/4 | M16 |
| 2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 104.8 | 2 | 139.7 | as per requirement | 4 | 5/8 | 75 | 90 | 3/4 | M16 |
| 3 | 80 | 190 | 22.3 | 108 | 88.9 | 127 | 2 | 152.4 | as per requirement | 4 | 5/8 | 75 | 90 | 3/4 | M16 |
| 3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 139.7 | 2 | 177.8 | as per requirement | 8 | 5/8 | 75 | 90 | 3/4 | M16 |
| 4 | 100 | 230 | 22.3 | 135 | 114.3 | 157.2 | 2 | 190.5 | as per requirement | 8 | 5/8 | 75 | 90 | 3/4 | M16 |
| 5 | 125 | 255 | 22.3 | 164 | 141.3 | 185.7 | 2 | 215.9 | as per requirement | 8 | 3/4 | 85 | 95 | 7/8 | M20 |
| 6 | 150 | 280 | 23.9 | 192 | 168.3 | 215.9 | 2 | 241.3 | as per requirement | 8 | 3/4 | 85 | 100 | 7/8 | M20 |
| 8 | 200 | 345 | 27 | 246 | 219.1 | 269.9 | 2 | 298.5 | as per requirement | 8 | 3/4 | 90 | 110 | 7/8 | M20 |
| 10 | 250 | 405 | 28.6 | 305 | 273 | 323.8 | 2 | 362 | as per requirement | 12 | 7/8 | 100 | 115 | 1 | M24 |
| 12 | 300 | 485 | 30.2 | 365 | 323.8 | 381 | 2 | 431.8 | as per requirement | 12 | 7/8 | 100 | 120 | 1 | M24 |
| 14 | 350 | 535 | 33.4 | 400 | 355.6 | 412.8 | 2 | 476.3 | as per requirement | 12 | 1 | 115 | 135 | 1 1/8 | M27 |
| 16 | 400 | 595 | 35 | 457 | 406.4 | 469.9 | 2 | 539.8 | as per requirement | 16 | 1 | 115 | 135 | 1 1/8 | M27 |
| 18 | 450 | 635 | 38.1 | 505 | 457.2 | 533.4 | 2 | 577.9 | as per requirement | 16 | 1 1/8 | 125 | 145 | 1 1/4 | M30 |
| 20 | 500 | 700 | 41.3 | 559 | 508 | 584.2 | 2 | 635 | as per requirement | 20 | 1 1/8 | 140 | 160 | 1 1/4 | M30 |
| 24 | 600 | 815 | 46.1 | 663 | 610 | 692.2 | 2 | 749.3 | as per requirement | 20 | 1 1/4 | 150 | 170 | 1 3/8 | M33 |
300 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | ||||||||
| 1/2 | 15 | 95 | 12.7 | 38 | 21.3 | 34.9 | 2 | 66.7 | as per requirement | 4 | 1/2 | 55 | 65 | 5/8 | M14 |
| 3/4 | 20 | 115 | 14.3 | 48 | 26.7 | 42.9 | 2 | 82.6 | as per requirement | 4 | 5/8 | 65 | 75 | 3/4 | M16 |
| 1 | 25 | 125 | 15.9 | 54 | 33.4 | 50.8 | 2 | 88.9 | as per requirement | 4 | 5/8 | 65 | 75 | 3/4 | M16 |
| 1 1/4 | 32 | 135 | 17.5 | 64 | 42.2 | 63.5 | 2 | 98.4 | as per requirement | 4 | 5/8 | 70 | 85 | 3/4 | M16 |
| 1 1/2 | 40 | 155 | 19.1 | 70 | 48.3 | 73 | 2 | 114.3 | as per requirement | 4 | 3/4 | 75 | 90 | 7/8 | M20 |
| 2 | 50 | 165 | 20.7 | 84 | 60.3 | 92.1 | 2 | 127 | as per requirement | 8 | 5/8 | 75 | 90 | 3/4 | M16 |
| 2 1/2 | 65 | 190 | 23.9 | 100 | 73 | 104.8 | 2 | 149.2 | as per requirement | 8 | 3/4 | 85 | 100 | 7/8 | M20 |
| 3 | 80 | 210 | 27 | 117 | 88.9 | 127 | 2 | 168.3 | as per requirement | 8 | 3/4 | 90 | 110 | 7/8 | M20 |
| 3 1/2 | 90 | 230 | 28.6 | 133 | 101.6 | 139.7 | 2 | 184.2 | as per requirement | 8 | 3/4 | 95 | 110 | 7/8 | M20 |
| 4 | 100 | 255 | 30.2 | 146 | 114.3 | 157.2 | 2 | 200 | as per requirement | 8 | 3/4 | 95 | 115 | 7/8 | M20 |
| 5 | 125 | 280 | 33.4 | 178 | 141.3 | 185.7 | 2 | 235 | as per requirement | 8 | 3/4 | 110 | 120 | 7/8 | M20 |
| 6 | 150 | 320 | 35 | 206 | 168.3 | 215.9 | 2 | 269.9 | as per requirement | 12 | 3/4 | 110 | 120 | 7/8 | M20 |
| 8 | 200 | 380 | 39.7 | 260 | 219.1 | 269.9 | 2 | 330.2 | as per requirement | 12 | 7/8 | 120 | 140 | 1 | M24 |
| 10 | 250 | 445 | 46.1 | 321 | 273 | 323.8 | 2 | 387.4 | as per requirement | 16 | 1 | 140 | 160 | 1 1/8 | M27 |
| 12 | 300 | 520 | 49.3 | 375 | 323.8 | 381 | 2 | 450.8 | as per requirement | 16 | 1 1/8 | 145 | 170 | 1 1/4 | M30 |
| 14 | 350 | 585 | 52.4 | 425 | 355.6 | 412.8 | 2 | 514.4 | as per requirement | 20 | 1 1/8 | 160 | 180 | 1 1/4 | M30 |
| 16 | 400 | 650 | 55.6 | 483 | 406.4 | 469.9 | 2 | 571.5 | as per requirement | 20 | 1 1/4 | 165 | 190 | 1 3/8 | M33 |
| 18 | 450 | 710 | 58.8 | 533 | 457 | 533.4 | 2 | 628.6 | as per requirement | 24 | 1 1/4 | 170 | 195 | 1 3/8 | M33 |
| 20 | 500 | 775 | 62 | 587 | 508 | 584.2 | 2 | 685.8 | as per requirement | 24 | 1 1/4 | 185 | 205 | 1 3/8 | M33 |
| 24 | 600 | 915 | 68.3 | 702 | 610 | 692.2 | 2 | 812.8 | as per requirement | 24 | 1 1/2 | 205 | 230 | 1 5/8 | M39 |
400 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | |||||||
| 1/2 | 15 | 95 | 14.3 | 38 | 21.3 | 34.9 | 7 | 66.7 | as per requirement | 4 | 1/2 | 75 | 5/8 | M14 |
| 3/4 | 20 | 115 | 15.9 | 48 | 26.7 | 42.9 | 7 | 82.6 | as per requirement | 4 | 5/8 | 90 | 3/4 | M16 |
| 1 | 25 | 125 | 17.5 | 54 | 33.4 | 50.8 | 7 | 88.9 | as per requirement | 4 | 5/8 | 90 | 3/4 | M16 |
| 1 1/4 | 32 | 135 | 20.7 | 64 | 42.2 | 63.5 | 7 | 98.4 | as per requirement | 4 | 5/8 | 95 | 3/4 | M16 |
| 1 1/2 | 40 | 155 | 22.3 | 70 | 48.3 | 73 | 7 | 114.3 | as per requirement | 4 | 3/4 | 110 | 7/8 | M20 |
| 2 | 50 | 165 | 25.4 | 84 | 60.3 | 92.1 | 7 | 127 | as per requirement | 8 | 5/8 | 110 | 3/4 | M16 |
| 2 1/2 | 65 | 190 | 28.6 | 100 | 73 | 104.8 | 7 | 149.2 | as per requirement | 8 | 3/4 | 120 | 7/8 | M20 |
| 3 | 80 | 210 | 31.8 | 117 | 88.9 | 127 | 7 | 168.3 | as per requirement | 8 | 3/4 | 125 | 7/8 | M20 |
| 3 1/2 | 90 | 230 | 35 | 133 | 101.6 | N/A | 7 | 184.2 | as per requirement | 8 | 7/8 | 140 | 1 | M24 |
| 4 | 100 | 255 | 35 | 146 | 114.3 | 157.2 | 7 | 200 | as per requirement | 8 | 7/8 | 140 | 1 | M24 |
| 5 | 125 | 280 | 38.1 | 178 | 141.3 | 185.7 | 7 | 235 | as per requirement | 8 | 7/8 | 145 | 1 | M24 |
| 6 | 150 | 320 | 41.3 | 206 | 168.3 | 215.9 | 7 | 269.9 | as per requirement | 12 | 7/8 | 150 | 1 | M24 |
| 8 | 200 | 380 | 47.7 | 260 | 219.1 | 269.9 | 7 | 330 | as per requirement | 12 | 1 | 170 | 1 1/8 | M27 |
| 10 | 250 | 445 | 54 | 321 | 273 | 323.8 | 7 | 387.4 | as per requirement | 16 | 1 1/8 | 190 | 1 1/4 | M30 |
| 12 | 300 | 520 | 57.2 | 375 | 323.8 | 381 | 7 | 450.8 | as per requirement | 16 | 1 1/4 | 205 | 1 3/8 | M33 |
| 14 | 350 | 585 | 60.4 | 425 | 355.6 | 412.8 | 7 | 514.4 | as per requirement | 20 | 1 1/4 | 210 | 1 3/8 | M33 |
| 16 | 400 | 650 | 63.5 | 483 | 406.4 | 469.9 | 7 | 571.5 | as per requirement | 20 | 1 3/8 | 220 | 1 1/2 | M36 |
| 18 | 450 | 710 | 66.7 | 533 | 457 | 533.4 | 7 | 628.6 | as per requirement | 24 | 1 3/8 | 230 | 1 1/2 | M36 |
| 20 | 500 | 775 | 69.9 | 587 | 508 | 584.2 | 7 | 685.8 | as per requirement | 24 | 1 1/2 | 240 | 1 3/4 | M39 |
| 24 | 600 | 915 | 76.2 | 702 | 610 | 692.2 | 7 | 812.8 | as per requirement | 24 | 1 3/4 | 265 | 1 7/8 | M45 |
600 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | |||||||
| 1/2 | 15 | 95 | 14.3 | 38 | 21.3 | 34.9 | 7 | 66.7 | as per requirement | 4 | 1/2 | 75 | 5/8 | M14 |
| 3/4 | 20 | 115 | 15.9 | 48 | 26.7 | 42.9 | 7 | 82.6 | as per requirement | 4 | 5/8 | 90 | 3/4 | M16 |
| 1 | 25 | 125 | 17.5 | 54 | 33.4 | 50.8 | 7 | 88.9 | as per requirement | 4 | 5/8 | 90 | 3/4 | M16 |
| 1 1/4 | 32 | 135 | 20.7 | 64 | 42.2 | 63.5 | 7 | 98.4 | as per requirement | 4 | 5/8 | 95 | 3/4 | M16 |
| 1 1/2 | 40 | 155 | 22.3 | 70 | 48.3 | 73 | 7 | 114.3 | as per requirement | 4 | 3/4 | 110 | 7/8 | M20 |
| 2 | 50 | 165 | 25.4 | 84 | 60.3 | 92.1 | 7 | 127 | as per requirement | 8 | 5/8 | 110 | 3/4 | M16 |
| 2 1/2 | 65 | 190 | 28.6 | 100 | 73 | 104.8 | 7 | 149.2 | as per requirement | 8 | 3/4 | 120 | 7/8 | M20 |
| 3 | 80 | 210 | 31.8 | 117 | 88.9 | 127 | 7 | 168.3 | as per requirement | 8 | 3/4 | 125 | 7/8 | M20 |
| 3 1/2 | 90 | 230 | 35 | 133 | 101.6 | N/A | 7 | 184.2 | as per requirement | 8 | 7/8 | 140 | 1 | M24 |
| 4 | 100 | 275 | 38.1 | 152 | 114.3 | 157.2 | 7 | 215.9 | as per requirement | 8 | 7/8 | 145 | 1 | M24 |
| 5 | 125 | 330 | 44.5 | 189 | 141.3 | 185.7 | 7 | 266.7 | as per requirement | 8 | 1 | 165 | 1 1/8 | M27 |
| 6 | 150 | 355 | 47.7 | 222 | 168.3 | 215.9 | 7 | 292.1 | as per requirement | 12 | 1 | 170 | 1 1/8 | M27 |
| 8 | 200 | 420 | 55.6 | 273 | 219.1 | 269.9 | 7 | 349.2 | as per requirement | 12 | 1 1/8 | 190 | 1 1/4 | M30 |
| 10 | 250 | 510 | 63.5 | 343 | 273 | 323.8 | 7 | 431.8 | as per requirement | 16 | 1 1/4 | 215 | 1 3/8 | M33 |
| 12 | 300 | 560 | 66.7 | 400 | 323.8 | 381 | 7 | 489 | as per requirement | 20 | 1 1/4 | 220 | 1 3/8 | M33 |
| 14 | 350 | 605 | 69.9 | 432 | 355.6 | 412.8 | 7 | 527 | as per requirement | 20 | 1 3/8 | 235 | 1 1/2 | M36 |
| 16 | 400 | 685 | 76.2 | 495 | 406.4 | 469.9 | 7 | 603.2 | as per requirement | 20 | 1 1/2 | 255 | 1 5/8 | M39 |
| 18 | 450 | 745 | 82.6 | 546 | 457 | 533.4 | 7 | 654 | as per requirement | 20 | 1 5/8 | 275 | 1 3/4 | M42 |
| 20 | 500 | 815 | 88.9 | 610 | 508 | 584.2 | 7 | 723.9 | as per requirement | 24 | 1 5/8 | 285 | 1 3/4 | M42 |
900 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | |||||||
| 1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 34.9 | 7 | 82.6 | as per requirement | 4 | 3/4 | 110 | 7/8 | M20 |
| 3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 42.9 | 7 | 88.9 | as per requirement | 4 | 3/4 | 115 | 7/8 | M20 |
| 1 | 25 | 150 | 28.6 | 52 | 33.4 | 50.8 | 7 | 101.6 | as per requirement | 4 | 7/8 | 125 | 1 | M24 |
| 1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 63.5 | 7 | 111.1 | as per requirement | 4 | 7/8 | 125 | 1 | M24 |
| 1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 73 | 7 | 123.8 | as per requirement | 4 | 1 | 140 | 1 1/8 | M27 |
| 2 | 50 | 215 | 38.1 | 105 | 60.3 | 92.1 | 7 | 165.1 | as per requirement | 8 | 7/8 | 145 | 1 | M24 |
| 2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 104.8 | 7 | 190.5 | as per requirement | 8 | 1 | 160 | 1 1/8 | M27 |
| 3 | 80 | 240 | 38.1 | 127 | 88.9 | 127 | 7 | 190.5 | as per requirement | 8 | 7/8 | 145 | 1 | M24 |
| 4 | 100 | 290 | 44.5 | 159 | 114.3 | 157.2 | 7 | 235 | as per requirement | 8 | 1 1/8 | 170 | 1 1/4 | M30 |
| 5 | 125 | 350 | 50.8 | 190 | 141.3 | 185.7 | 7 | 279.4 | as per requirement | 8 | 1 1/4 | 190 | 1 3/8 | M33 |
| 6 | 150 | 380 | 55.6 | 235 | 168.3 | 215.9 | 7 | 317.5 | as per requirement | 12 | 1 1/8 | 190 | 1 1/4 | M30 |
| 8 | 200 | 470 | 63.5 | 298 | 219.1 | 269.9 | 7 | 393.7 | as per requirement | 12 | 1 3/8 | 220 | 1 1/2 | M36 |
| 10 | 250 | 545 | 69.9 | 368 | 273 | 323.8 | 7 | 469.9 | as per requirement | 16 | 1 3/8 | 235 | 1 1/2 | M36 |
| 12 | 300 | 610 | 79.4 | 419 | 323.8 | 381 | 7 | 533.4 | as per requirement | 20 | 1 3/8 | 255 | 1 1/2 | M36 |
| 14 | 350 | 640 | 85.8 | 451 | 355.6 | 412.8 | 7 | 558.8 | as per requirement | 20 | 1 1/2 | 275 | 1 5/8 | M39 |
| 16 | 400 | 705 | 88.9 | 508 | 406.4 | 469.9 | 7 | 616 | as per requirement | 20 | 1 5/8 | 285 | 1 3/4 | M42 |
| 18 | 450 | 785 | 101.6 | 565 | 457 | 533.4 | 7 | 685.8 | as per requirement | 20 | 1 7/8 | 325 | 2 | M48 |
| 20 | 500 | 855 | 108 | 622 | 508 | 584.2 | 7 | 749.3 | as per requirement | 20 | 2 | 350 | 2 1/8 | M52 |
| 24 | 600 | 1040 | 139.7 | 749 | 610 | 692.2 | 7 | 901.7 | as per requirement | 20 | 2 1/2 | 440 | 2 5/8 | M64 |
1500 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | |||||||
| 1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 34.9 | 7 | 82.6 | as per requirement | 4 | 3/4 | 110 | 7/8 | M20 |
| 3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 42.9 | 7 | 88.9 | as per requirement | 4 | 3/4 | 115 | 7/8 | M20 |
| 1 | 25 | 150 | 28.6 | 52 | 33.4 | 50.8 | 7 | 101.6 | as per requirement | 4 | 7/8 | 125 | 1 | M24 |
| 1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 63.5 | 7 | 111.1 | as per requirement | 4 | 7/8 | 125 | 1 | M24 |
| 1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 73 | 7 | 123.8 | as per requirement | 4 | 1 | 140 | 1 1/8 | M27 |
| 2 | 50 | 215 | 38.1 | 105 | 60.3 | 92.1 | 7 | 165.1 | as per requirement | 8 | 7/8 | 145 | 1 | M24 |
| 2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 104.8 | 7 | 190.5 | as per requirement | 8 | 1 | 160 | 1 1/8 | M27 |
| 3 | 80 | 265 | 47.7 | 133 | 88.9 | 127 | 7 | 203.2 | as per requirement | 8 | 1 1/8 | 180 | 1 1/4 | M30 |
| 4 | 100 | 310 | 54 | 162 | 114.3 | 157.2 | 7 | 241.3 | as per requirement | 8 | 1 1/4 | 195 | 1 3/8 | M33 |
| 5 | 125 | 375 | 73.1 | 197 | 141.3 | 185.7 | 7 | 292.1 | as per requirement | 8 | 1 1/2 | 250 | 1 5/8 | M39 |
| 6 | 150 | 395 | 82.6 | 229 | 168.3 | 215.9 | 7 | 317.5 | as per requirement | 12 | 1 3/8 | 260 | 1 1/2 | M36 |
| 8 | 200 | 485 | 92.1 | 292 | 219.1 | 269.9 | 7 | 393.7 | as per requirement | 12 | 1 5/8 | 290 | 1 3/4 | M42 |
| 10 | 250 | 585 | 108 | 368 | 273 | 323.8 | 7 | 482.6 | as per requirement | 12 | 1 7/8 | 335 | 2 | M48 |
| 12 | 300 | 675 | 123.9 | 451 | 323.8 | 381 | 7 | 571.5 | as per requirement | 16 | 2 | 375 | 2 1/8 | M52 |
| 14 | 350 | 750 | 133.4 | 495 | 355.6 | 412.8 | 7 | 635 | as per requirement | 16 | 2 1/4 | 405 | 2 3/8 | M56 |
| 16 | 400 | 825 | 146.1 | 552 | 406.4 | 469.9 | 7 | 704.8 | as per requirement | 16 | 2 1/2 | 445 | 2 5/8 | M64 |
| 18 | 450 | 915 | 162 | 597 | 457 | 533.4 | 7 | 774.7 | as per requirement | 16 | 2 3/4 | 495 | 2 7/8 | M72 |
| 20 | 500 | 985 | 177.8 | 641 | 508 | 584.2 | 7 | 831.8 | as per requirement | 16 | 3 | 540 | 3 1/8 | M76 |
| 24 | 600 | 1170 | 203.2 | 762 | 610 | 692.2 | 7 | 990.6 | as per requirement | 16 | 3 1/2 | 615 | 3 5/8 | M90 |
2500 Lbs Long Weld Neck Flanges Dimensions
| Size in Inch | Size in mm | Outer Dia. | Flange Thick. | Hub OD | Weld Neck OD | RF Dia. | RF Height | PCD | Hub Length | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | |||||||
| 1/2 | 15 | 135 | 30.2 | 43 | 21.3 | 34.9 | 7 | 88.9 | as per requirement | 4 | 3/4 | 120 | 7/8 | M20 |
| 3/4 | 20 | 140 | 31.8 | 51 | 26.7 | 42.9 | 7 | 95.2 | as per requirement | 4 | 3/4 | 125 | 7/8 | M20 |
| 1 | 25 | 160 | 35 | 57 | 33.4 | 50.8 | 7 | 108 | as per requirement | 4 | 7/8 | 140 | 1 | M24 |
| 1 1/4 | 32 | 185 | 38.1 | 73 | 42.2 | 63.5 | 7 | 130.2 | as per requirement | 4 | 1 | 150 | 1 1/8 | M27 |
| 1 1/2 | 40 | 205 | 44.5 | 79 | 48.3 | 73 | 7 | 146 | as per requirement | 4 | 1 1/8 | 170 | 1 1/4 | M30 |
| 2 | 50 | 235 | 50.9 | 95 | 60.3 | 92.1 | 7 | 171.4 | as per requirement | 8 | 1 | 180 | 1 1/8 | M27 |
| 2 1/2 | 65 | 265 | 57.2 | 114 | 73 | 104.8 | 7 | 196.8 | as per requirement | 8 | 1 1/8 | 195 | 1 1/4 | M30 |
| 3 | 80 | 305 | 66.7 | 133 | 88.9 | 127 | 7 | 228.6 | as per requirement | 8 | 1 1/4 | 220 | 1 3/8 | M33 |
| 4 | 100 | 355 | 76.2 | 165 | 114.3 | 157.2 | 7 | 273 | as per requirement | 8 | 1 1/2 | 255 | 1 5/8 | M39 |
| 5 | 125 | 420 | 92.1 | 203 | 141.3 | 185.7 | 7 | 323.8 | as per requirement | 8 | 1 3/4 | 300 | 1 7/8 | M45 |
| 6 | 150 | 485 | 108 | 235 | 168.3 | 215.9 | 7 | 368.3 | as per requirement | 8 | 2 | 345 | 2 1/8 | M52 |
| 8 | 200 | 550 | 127 | 305 | 219.1 | 269.9 | 7 | 438.2 | as per requirement | 12 | 2 | 380 | 2 1/8 | M52 |
| 10 | 250 | 675 | 165.1 | 375 | 273 | 323.8 | 7 | 539.8 | as per requirement | 12 | 2 1/2 | 490 | 2 5/8 | M64 |
| 12 | 300 | 760 | 184.2 | 441 | 323.8 | 381 | 7 | 619.1 | as per requirement | 12 | 2 3/4 | 540 | 2 7/8 | M72 |
Why Purchase From Unichem Steel & Alloy Pvt. Ltd.
- Unichem Steel & Alloy Pvt. Ltd. strive for quality production of ANSI/ASME B16.5 Long Weld Neck Flanges. We adequately test raw materials and confirm to ASTM, ASME, DIN, EN, JIS Standards to make the highest quality Long Weld Neck Flanges. LWN Flanges is provided with 100% Radiography Test Report and Third Party Inspection or Buyer Inspection service is available on finished products.
- Value Added Services are provided such as Epoxy & FBE coating, Sandblasting, Hot dipped galvanizing, Electropolish or other special finishes, Threading, soldering, Custom shape cutting, fabrication services on ANSI 16.47 Long Weld Neck Flanges.
- Unichem Steel & Alloy Pvt. Ltd. is an expert in manufacturing custom size ANSI/ASME B16.47 Long Weld Neck Flanges with accurate dimensions and uniform wall thickness.
- We are presently equipped with modern manufacturing equipment and inspection tools such as Lathe Machines, Milling Machine, Heating & Annealing Furnaces, forging and deep drawing presses, machining, finishing, and testing facilities. In order to maintain reliability and quality of our EN 1092-1 Long Weld Neck Flange, MSS SP-44 Long Weld Neck Flanges, ISO Standard Long Weld Neck Flanges.
- As leading exporters and suppliers we keep a buffer stock of ASME B16.5 Long Weld Neck Flanges in all grades from ½” NB to 48” NB in Sch 10s, the 40s, 80s, 160s, XXS In order to meet the off-hand requirement of our clients.
- ANSI/ASME B16.5 Flanges, ANSI/ASME B16.47 Long Weld Neck Flanges are packaged to ensure that there is no damage during transit. In the case of exports, products are packed in wooden cases. All Long Weld Neck Pipe Flanges are marked with Size, Lot No, Grade, Degree, and our trademark. On special requests we make custom marking on Long Weld Neck Flanges.
- Test Certificates: Raw Materials Certificate, Manufacturer Test Certificate as per EN 1092 / 3.1B, Third Party Inspection Report, 100% Radiography Test Report.
- No minimum quantity order limit. Get Market leading prices on all types of Industrial Long Weld Neck Flanges in India.
ASME B16.5 Long Weld Neck Flanges Material & Grades
| Stainless Steel Long Weld Neck Flange |
|---|
| ASTM / ASME A/SA 182: F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L. |
| Carbon Steel Long Weld Neck Flange |
| ASTM A105/A694/ A350 LF3/A350 LF2: F42, F46, F52, F56, F60, F65, F70 |
| Alloy Steel Long Weld Neck Flange |
| ASTM A182: F1, F5, F9, F11, F22, F91 |
| Duplex & Super Duplex Steel Long Weld Neck Flange |
| ASTM / ASME A/SA 182: F44, F45, F51, F53, F55, F60, F61. |
| Nickel Alloy Long Weld Neck Flange |
| ASTM / ASME SB 564 / 160 / 472: UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600(INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3) |
ASME B16.5 Long Weld Neck Flanges Manufacturing Standards
| ASME Standard | ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, UNI 2277/2278,, JIS, SABS1123, GOST-12820 |
|---|---|
| DIN Standard | DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673 |
| EN Standard | EN1092 |
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic SS Pipe Flanges |
| MSS SP-44 | Pipe Flange |
Long Weld Neck Flanges Type, Size, and Pressure Class
| Specification | Pressure Class | Size Range |
|---|---|---|
| ASME/ANSI B16.5 | 150 to 2500LBS 150 to 1500LBS |
26“ to 60″ 26“ to 48″ |
| ASME/ANSI B16.36 | 300 To 2500LBS | 1″ to 12″ |
| ASME/ANSI B16.47 | 75 to 300LBS 400, 600LBS 900LBS |
1/2“ to 12″ 26“ to 60″ 26“ to 48″ |
| BS 10 | TABLE-A, D, E, F, H, J, K, R, S, T | 15mm to 600mm |
| EN 1092-1 / DIN / BS 4504 Flanges | PN2.5 to PN16 PN25 PN40 PN63 PN100 PN160, PN250 PN320 PN400 |
10mm to 1800mm 10mm to 1000mm 10mm to 600mm 10mm to 400mm 10mm to 350mm 10mm to 300mm 10mm to 250mm 10mm to 200mm |
Ready Stock of ASME B16.47 Long Weld Neck Flanges in India
| Long Weld Neck Raised Face Flange | Raised Faced Long Weld Neck Flanges |
| ANSI B16.5 Long Weld Neck Flanges | Long Weld Neck Flange Dimensions |
| ASME B16.5 LWN Flanges | ANSI B16.5 Class 150 Long Weld Neck Flanges |
| Stainless Steel Long Weld Neck Flanges | SS Long Weld Neck Flange |
| Long Weld Neck Plate Flanges Dealer | ASME B16.47 Series A and B LWN Flanges |
| ANSI B16.5 class 150 LWN Flange | ANSI 150 Long Weld Neck Flange |
| Carbon Steel Long Weld Neck Flange | High Quality LWN Flanges |
| ASTM A182 Stainless Steel LWN Flange | Duplex Steel Long Weld Neck Flange |
| Super Duplex Steel Long Weld Neck Forged Flange | Copper Nickel Long Weld Neck Pipe Flanges |
| High Nickel Alloy LWN Flanges | Hastelloy Flat Faced Long Weld Neck Flanges |
| Titanium ASME B16.47 Series A and B LWN Flanges | Inconel Long Weld Neck Flanges |
ANSI B16.5 Long Weld Neck Flange Dimensions Tolerance
|
Outside Diameter: ≤ 24 = 1.6 mm | > 24 = ± 3.2 mm |
Inside Diameter: not applicable |
|
Diameter of Contact Face: 1.6 mm Raised Face = ± 0.8 mm6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm |
Outside Diameter of Hub: ≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm |
|
Diameter of Counterbore: not applicable |
Drilling: Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mmEccentricity of Bolt Circle with Respect to Facing≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max. |
|
Thickness: ≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0 |
Length thru Hub: ≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm |
ASME B16.47 Long Weld Neck Flanges Applications and Uses
- Power Plant / Power Generation
- Fertilizers
- Oil & Gas
- Refineries
- Chemical Industry
- Pulp and Paper Industry
- Petrochemicals
- Engineering Project
- Environmental and Water Projects
- Boiler Manufacturers
- Pumps and Valves
- Cement Industries
- Aerospace Industry
- Nuclear Industry
- Construction
- Ship Building Companies
- Thermal Processing
- Pharma Industry
- Off-Shore Oil Drilling Companies
ANSI/ASME B16.5 Long Weld Neck Flange Exporter
EUROPE: Albania, Austria, Belgium, Croatia, Czech Republic, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Malta, Netherlands, Norway, Portugal, Russia, Slovakia, Slovenia, Spain, Switzerland, UK, Ukraine.
ASIA: Bangladesh, Cambodia, India, Indonesia, Japan, Malaysia, Maldives, Myanmar, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Vietnam.
AFRICA: Algeria, Angola, Egypt, Equatorial Guinea, Gabon, Libya, Nigeria, South Africa, Sudan, The Republic Of Congo.
MIDDLE EAST: Bahrain, Cyprus, Iran, Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia (KSA), Syria, Turkey, United Arab Emirates (UAE), Yemen.
NORTH AMERICA: Bahamas, Canada, Costa Rica, Denmark, Jamaica, Mexico, Panama, Puerto Rico, Trinidad And Tobago, USA.
SOUTH AMERICA: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Uruguay, Venezuela.
ASIA: Bangladesh, Cambodia, India, Indonesia, Japan, Malaysia, Maldives, Myanmar, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Vietnam.
AFRICA: Algeria, Angola, Egypt, Equatorial Guinea, Gabon, Libya, Nigeria, South Africa, Sudan, The Republic Of Congo.
MIDDLE EAST: Bahrain, Cyprus, Iran, Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia (KSA), Syria, Turkey, United Arab Emirates (UAE), Yemen.
NORTH AMERICA: Bahamas, Canada, Costa Rica, Denmark, Jamaica, Mexico, Panama, Puerto Rico, Trinidad And Tobago, USA.
SOUTH AMERICA: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Uruguay, Venezuela.
ANSI/ASME B16.47 Long Weld Neck Flange Supplier
Aberdeen, Abu Dhabi, Ahmedabad, Ahvaz, Al Jubail, Al Khobar, Algiers, Ankara, Atyrau, Bangkok, Bengaluru, Bhopal, Bogota, Brisbane, Busan, Cairo, Calgary, Caracas, Chandigarh, Chennai, Chiyoda, Coimbatore, Colombo, Courbevoie, Dallas, Dammam, Doha, Dubai, Edmonton, Ernakulam, Faridabad, Geoje-si, Gimhae-si, Granada, Gurgaon, Hanoi, Haryana, Ho Chi Minh City, Hong Kong, Houston, Howrah, Hyderabad, Indore, Istanbul, Jakarta, Jeddah, Karachi, Kolkata, Kuala Lumpur, Kuwait City, La Victoria, Lagos, Lahore, London, Los Angeles, Ludhiana, Madrid, Manama, Melbourne, Mexico City, Milan, Montreal, Moscow, Mumbai, Muscat, Navi Mumbai, New Delhi, New York, Noida, Perth, Petaling Jaya, Pimpri-Chinchwad, Port-of-Spain, Pune, Rajkot, Rio de Janeiro, Riyadh, Santiago, Secunderabad, Seoul, Sharjah, Singapore, Surat, Sydney, Tehran, Thane, Thiruvananthapuram, Toronto, Ulsan, Vadodara, Visakhapatnam, Vung Tau.
Contact us to get a quick quote for ANSI B16.5 / ASME B16.47 Long Weld Neck Flanges.