Authoritative ANSI B16.5 / ASME B16.47 Long Weld Neck Flange Manufacturers in India.
As one of the leaders amongst Manufacturers, Stockist, and Exporters of Raised Face Long Weld Neck Flange, ASME B16.5 / ANSI B16.47 Long Weld Neck Flange, We are offering competitive prices in India on DIN Long Weld Neck Flange, Series A & B LWN Flanges, MSS Long Neck Weld Flanges.
We keep adequate stock of SS Long Weld Neck Flange, Alloy Steel Long Weld Neck Flange, Nickel Alloy 200 LWN Flange, Carbon Steel LWN Flange, Inconel Long Weld Neck Flange, Hastelloy Long Weld Neck Flange, Copper Nickel LWN Flanges, Duplex & Super Duplex Long Weld Neck Flange, Alloy 20 LWN Flange in all Dimensions to satisfy any small and large quantity orders from our valuable customers.
- What is a Long Neck Weld Flange
- Long Neck Weld Flange Specifications
- Long Neck Weld Flange Materials and Grades
- Why Choose us to Buy Long Neck Weld Flange
- Long Neck Weld Flange Price in India
- Long Neck Weld Flange Dimensions
- Long Neck Weld Flange Manufacturing Process
- Long Neck Weld Flange Application Industries
- Cities We Export Long Neck Weld Flange
- Countries We Export Long Neck Weld Flange
What is a Long Weld Neck Flange
Long Neck Welding flanges (LWN) are similar to a standard Welding Neck flange, but the “Neck” is considerably longer. These Long Weld Neck Flange is often used as a nozzle for a barrel or column. In addition, there are the type LWN Heavy Barrel (HB) and the Equal LWN Barrel (E); they have a different shape and a thicker “Wall”.
Long Weld Neck Flange Specifications
Type | : | Long Weld Neck Flanges |
Size | : | ½” (15 NB) to 48″ (1200NB) |
Standard | : | ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820 |
Class | : | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc. |
DIN | : | DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673 |
BS | : | BS4504 , BS4504, BS1560, BS10 |
In Form | : | SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc |
Specialize | : | As per drawing |
Coating/Surface Treatment | : | Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
Connection Type | : | Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large |
Tongue & Groove, Small Tongue & Groove | ||
Flange Face Type | : | Flat Face (FF), Raise Face (RF), Ring Joint (RJT) |
Dimensions | : | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
Packing | : | No Fumigate or Fumigate Plywood/Wood Pallet or Case |
Usage | : | Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc. |
Long Weld Neck Flange Materials & Grades
Materials | : | Standard, Grades |
Stainless Steel Long Weld Neck Flange | : | ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L |
Carbon Steel Long Weld Neck Flange | : | ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, |
F60, F65, F70 | ||
Alloy Steel Long Weld Neck Flange | : | ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
Duplex Steel Long Weld Neck Flange | : | ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61 |
6% Moly / Super Duplex Long Weld Neck Flange | : | ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61 |
Low Temperature Steel Long Weld Neck Flange | : | ASTM A350 LF2, LF3, LF6 |
High Yield Long Weld Neck Flange | : | ASTM A694 F42, F52, F60, F65, F70 |
Nickel Alloys Long Weld Neck Flange | : | ASTM SB564, SB160, SB472, SB162 – Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020) |
Copper Alloys Long Weld Neck Flange | : | ASTM SB 61 , SB62 , SB151 , SB152 – UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200 |
Alloys Long Weld Neck Flange | : | ALLOY 20, ALLOY C, ALLOY C276, ALLOY B2 |
Other Grade of Long Weld Neck Flange | : | Bronze, Brass, Cupro Nickel, Titanium, Inconel, Monel, Hastelloy |
Why Choose M P Jain Tubing Solutions LLP
- » M P Jain Tubing Solutions LLP welcome small and large quantity orders and are capable of manufacture Long Neck Weld Flanges according to drawings provided by customers.
- » An ISO / OHSAS / PED Certified Stockist and Exporters of LWN Flanges Manufactured with the finest quality raw materials (Stainless Steel, Duplex, Super Duplex, Nickel Alloys, Cupro Nickel, Alloy 20, Carbon Steel, etc.) results in High-Quality End Products.
- » With the quality, we also guarantee On-Time Delivery of ASME B16.5/B16.47 Long Weld Neck Flange. If clients have any query regarding purchased products they can chat with our support team live on a website (24/7 support service) or they can mail us on exports@mpjainco.com.
- » Our state-of-the-art infrastructure is located in the industrial hub, Mumbai India and we possess a team of highly qualified as well as experienced professionals. We continuously keep on upgrading our machinery to meet the challenges of fiercely competitive and ever changing market demands.
- » We believe that along with Competitive Prices, the Quality performance of products and customer satisfaction are the basis for growth and success of our business. We tend to present innovative solutions and services to our customers.
- » Since 1972 we are in this business and Manufacturing Long Weld Neck (LWN) Flanges in different standards like ANSI, ASME, BS, DIN, API. Product Supplied by us are accepted by Client’s in various industries small basic industries such as Textile, Paper, Engineering, Sugar, Dairy, Cement to more complex such as Petrochemical, Oil & Gas, Power, Onshore & Offshore ETC. Our main export market is Bahrain, Bangladesh, Iraq, Japan, Jordan, Kazakhstan, Lebanon, Myanmar, Oman, Philippines, Qatar, Saudi Arabia, Sri Lanka, Thailand, Turkey, UAE, Uzbekistan, Israel etc.
Long Weld Neck Flange Price List
Following is Long Weld Neck (LWN) Flanges price in India. This price range also depends on minimum order and might vary without any prior information. For more details contact us now and get Instant Quote.
Reference:alibaba
ASME B16.5 Long Weld Neck Flange 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 |
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 |
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 |
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 |
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 |
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 |
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 |
Manufacturing Process of Long Weld Neck Flange
We have Skilled staff to maintain the quality of products throughout the manufacturing process from selection of raw material to processing, marking, packaging, storage, and transportation. Our LWN Flanges are 100% inspected before being packed and dispatched & all our materials are tested to International standards. Sometimes we also accept Third Party Inspection appointed by our clients.Raw Material
- » Raw Material Check
- » Quantity Check
- » Visual & Dimension Check
Material Inspection
- » Chemical Analysis Check
- » Preservation Analysis Certificate
Material Cutting
- » Weight Measuring
- » Cut Surface Check
- » Marking
Flange Forging
- » Material Grade Check
- » Weight Measuring
- » Temperature Control
Heat Treatment
- » Normalizing
- » Tempering, Q.T
- » Solution Treatment
- » Mechanical Test
Forging Rolling
- » Material Grade Check
- » Weight Measuring
- » Temperature Check
- » Dimension Check
Final Inspection
- » Dimension size inspect
- » Visual Test
- » Nondestructive Test
Rust Prevention
- » Preserve Check
- » Marking on the flange
- » Tectyl 506or Pickling or etc. Coating
Well Packing
- » Packing Spec. Check
- » Packing Inspection
- » Delivery
Long Weld Neck Flange Applications & Uses
Today M P Jain Tubing Solutions LLP is one of the leading manufacturer, stockists, and exporters of RFLWN Flanges and supplying to various core industries likeChemicals Fertilizers Industries
Heat Exchanger
Instrumentation
Nuclear Thermal Industries
Oil Gas Industries
Pharmacy Surgical Industries
Refineries Petrochemicals
Water Gas Piping Systems
Cities We Export Long Weld Neck Flange
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Countries We Export Long Weld Neck Flange
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