Weld Neck Flange
Table of Contents
ANSI / ASME B16.5 Weld Neck Flange
Manufacturer of ANSI B16.5 PN16 WNRF Flange in Mumbai, India, Carbon Steel WNRF Flange Suppliers. EN 1092-2 PN16 Weld Neck Flange Dimensions & MSS SP-44 Api 6a Weld Neck Flange Price List, Reducing Weld Neck Flange manufacturer in India.
wnrf reducing flange are easy to recognize because of their appearance. For instance, the weld neck flange pn16 at the long tapered hub, that goes progressively over to the thickness of the wall from a pipe or fitting. The long tapered hub of the Stainless Steel weld neck orifice Flanges provides an important reinforcement. This reinforcement in the Duplex Steel weld neck ring type joint flange is considered to be useful in several applications involving extreme temperatures. Hence, Alloy Steel weld neck flat face flange could be used in a wide array of different climatic conditions.
For instance, the Carbon Steel weld neck raised face flange or the Inconel weld neck raised flange could be used in any of the following environments – high pressure, sub-zero and / or elevated temperatures. The smooth transition from DIN86029 weld neck welded flange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, which under conditions of repeated bending, could be caused by line expansion or other variable forces.
ASME B16.5 Weld Neck Flanges,
Stainless Steel Weld Neck Orifice Flanges
NPS no need an introduction in the field of Flanges Manufacturing and supplying. We manufacture these flanges in various types, shapes, sizes, dimensions, forms, and material grades. With the use of high-quality raw materials and advanced manufacturing practices, we manufacture these flanges as per client requirements.
Weld Neck Flange A Flange is one of the best piping equipment that used for connecting pipes, valves, pumps, and other equipment to make the piping system. Using flanges help to get easy access for cleaning, modification, and inspection. There are different methods that used to join two flanges with pipes like bolting and welding, etc.
Based on the joining methods, they into different types including Slip-On Flanges, Orifice Flanges, Spectacle Flanges, Lap Joint Flanges, Raised Face Flanges, Ring Joint Flanges, Weld Neck Flange and Socket Weld Flanges, etc. All these types are manufactured with diverse material grades like Duplex Steel, Super Duplex Steel, Hastelloy, Monel, Inconel, Nickel, Carbon Steel, Alloy Steel, Weld Neck Flange Stainless Steel Flanges, Cupronickel Flanges and more.
Flanges Specification
Flanges Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
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Flanges 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 |
Flanges Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Flanges |
Flanges Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Flanges |
Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Flanges |
Most common types of Flanges | Forged / Threaded / Screwed / Plate |
Flanges Manufacturers in india | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. Flanges: -BS Flanges, EN Flanges, API 6A Flanges, ANSI Flanges, ASME Flanges, DIN Flanges, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
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Flanges Uses & application |
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Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
Production technique |
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JIS Flanges | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Flanges |
UNI Flanges | 6Bar 10Bar 16Bar 25Bar 40Bar Flanges |
EN Flanges | 6Bar 10Bar 16Bar 25Bar 40Bar Flanges |
Connect Type/ Flanges 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 |
Flanges 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 |
Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 |
Flanges Dimensions
What is Flanges?
DN (inch) |
Dimension | ANSI B16.5 Flange Dimensional Sizes 3 to 10 inches Table Chart | ||||||||||||||
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125 lbs 150 lbs |
300 lbs | 400 lbs | 600 lbs | 900 lbs | 1500 lbs | 2500 lbs | ||||||||||
inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | |||
3 | A | 7 1/2 | 190.5 | 81/4 | 209.6 | 81/4 | 209.6 | 8 1/4 | 209.6 | 9 1/2 | 241 | 10 1/2 | 267 | 12 | 305 | |
b | 15/16 | 23.8 | 1 1/8 | 28.6 | 11/4 | 31.8 | 1 1/4 | 31.8 | 1 1/2 | 38.1 | 1 7/8 | 47.6 | 2 5/8 | 66.7 | ||
D2 | 5 | 127 | 5 | 127 | 5 | 127 | 5 | 127 | 5 | 127 | 5 | 127 | 5 | 127 | ||
D1 | 6 | 152.4 | 6 5/8 | 168.3 | 6 5/8 | 168.3 | 6 5/8 | 168.3 | 71/2 | 190.5 | 8 | 203 | 9 | 228.6 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 | 25.4 | 1 1/4 | 31.8 | 1 3/8 | 34.9 | ||
3 1/2 | A | 8 1/2 | 215.9 | 9 | 228.6 | 9 | 228.6 | 9 | 228.6 | – | – | – | – | – | – | |
b | 15/16 | 23.8 | 13/16 | 30.2 | 13/8 | 34.9 | 13/8 | 34.9 | – | – | – | – | – | – | ||
D2 | 5 1/2 | 139.7 | 5 /2 | 139.7 | 5 1/2 | 139.7 | 5 1/2 | 139.7 | – | – | – | – | – | – | ||
D1 | 7 | 177.8 | 7 1/4 | 184.2 | 7 1/4 | 184.2 | 7 1/4 | 184.2 | – | – | – | – | – | – | ||
n | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | – | – | – | – | – | – | ||
d | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | – | – | – | – | – | – | ||
4 | A | 9 | 228.6 | 10 | 254 | 10 | 254 | 10 3/4 | 273 | 11 1/2 | 292 | 12 1/4 | 311 | 14 | 356 | |
b | 15/16 | 23.8 | 1 1/4 | 31.7 | 1 3/8 | 34.9 | 1 1/2 | 38.1 | 1 3/4 | 44.4 | 2 1/8 | 54 | 3 | 76.2 | ||
D2 | 6 3/16 | 157.2 | 6 3/16 | 157.2 | 6 3/16 | 157.2 | 6 3/16 | 157.2 | 6 3/16 | 157.2 | 6 3/16 | 157.2 | 6 3/16 | 157.2 | ||
D1 | 7 1/2 | 190 | 7 7/8 | 200 | 7 7/8 | 200 | 8 1/2 | 215.9 | 9 1/4 | 235 | 9 1/2 | 241 | 10 3/4 | 273 | ||
n | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | 1 1/4 | 31.8 | 1 3/8 | 34.9 | 1 5/8 | 41.3 | ||
5 | A | 10 | 254 | 11 | 279.4 | 11 | 279.4 | 13 | 330.2 | 13 3/4 | 349 | 14 3/4 | 375 | 16 1/2 | 419 | |
b | 1 5/16 | 23.8 | 13/8 | 34.9 | 1 1/2 | 38.1 | 1 3/4 | 44.4 | 2 | 50.8 | 2 7/8 | 73 | 3 5/8 | 92.1 | ||
D2 | 7 5/16 | 185.7 | 7 5/16 | 185.7 | 7 5/16 | 185.7 | 7 5/16 | 185.7 | 7 5/16 | 185.7 | 7 5/16 | 185.7 | 7 5/16 | 185.7 | ||
D1 | 8 1/2 | 215.9 | 9 1/4 | 234.9 | 9 1/4 | 234.9 | 10 1/2 | 266.7 | 11 | 279 | 11 1/2 | 292 | 12 3/4 | 324 | ||
n | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 7/8 | 22.2 | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 3/8 | 34.9 | 1 5/8 | 41.3 | 1 7/8 | 47.6 | ||
6 | A | 11 | 279 | 12 1/2 | 317.5 | 12 1/2 | 317.5 | 14 | 355.6 | 15 | 381 | 15 1/2 | 394 | 19 | 483 | |
b | 1 | 25.4 | 17/16 | 36.5 | 1 5/8 | 41.3 | 1 7/8 | 47.6 | 2 3/16 | 55.6 | 3 1/4 | 82.6 | 4 1/4 | 108 | ||
D2 | 8 1/2 | 216 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 8 1/2 | 216 | ||
D1 | 9 1/2 | 241 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | 11 1/2 | 292.1 | 12 1/2 | 318 | 12 1/2 | 318 | 14 1/2 | 368 | ||
n | 8 | 8 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 8 | 8 | ||
d | 7/8 | 22.2 | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | 1 1/2 | 38.1 | 2 1/8 | 54 | ||
8 | A | 13 1/2 | 342.9 | 15 | 381 | 15 | 381 | 16 1/2 | 419 | 18 1/2 | 470 | 19 | 482.6 | 21 3/4 | 552 | |
b | 1 1/8 | 28.6 | 1 5/8 | 41.3 | 1 7/8 | 47.6 | 2 3/16 | 55.6 | 2 1/2 | 63.5 | 3 5/8 | 92.1 | 5 | 127 | ||
D2 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | 10 5/8 | 269.9 | ||
D1 | 11 3/4 | 298.4 | 13 | 330.2 | 13 | 330.2 | 13 3/4 | 349.2 | 15 1/2 | 394.2 | 15 1/2 | 394.2 | 17 1/4 | 438 | ||
n | 8 | 8 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | ||
d | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | 1 1/2 | 38.1 | 1 3/4 | 44.5 | 2 1/8 | 54 | ||
10 | A | 16 | 406.4 | 17 1/2 | 444.5 | 17 1/2 | 444.5 | 20 | 508 | 21 1/2 | 546 | 23 | 584 | 26 1/2 | 673 | |
b | 1 3/16 | 30.2 | 1 7/8 | 47.6 | 2 1/8 | 54 | 2 1/2 | 63.5 | 2 3/4 | 69.8 | 4 1/4 | 108 | 6 1/2 | 165 | ||
D2 | 12 3/4 | 323.8 | 12 3/4 | 323.8 | 12 3/4 | 323.8 | 12 3/4 | 323.8 | 12 3/4 | 323.8 | 12 3/4 | 323.8 | 12 3/4 | 323.8 | ||
D1 | 14 1/4 | 361.9 | 15 1/4 | 387.4 | 15 1/4 | 387.4 | 17 | 431.8 | 18 1/2 | 470 | 19 | 482.6 | 21 1/4 | 540 | ||
n | 12 | 12 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 12 | 12 | 12 | 12 | ||
d | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | 1 3/8 | 34.9 | 1 1/2 | 38.1 | 2 | 50.8 | 2 5/8 | 66.7 |
Flange Weight Chart
Flange Weights by Pressure Class and Size | ||||||||||||||||||
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Pipe Size | 150 # | 300 # | 600 # | 900 # | 1500 # | 2500 # | ||||||||||||
WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | |
1/2″ | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | SEE 1500 # WEIGHTS | 5 | 4 | 4 | 7 | 7 | 7 | ||
3/4″ | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | SEE 1500 # WEIGHTS | 6 | 5 | 6 | 8 | 8 | 8 | ||
1″ | 3 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | SEE 1500 # WEIGHTS | 9 | 8 | 8 | 12 | 11 | 11 | ||
1 1/2″ | 4 | 3 | 3 | 7 | 6 | 6 | 8 | 7 | 8 | SEE 1500 # WEIGHTS | 13 | 12 | 13 | 25 | 22 | 23 | ||
2″ | 6 | 5 | 5 | 9 | 7 | 8 | 12 | 9 | 10 | SEE 1500 # WEIGHTS | 25 | 25 | 25 | 42 | 37 | 39 | ||
2 1/2″ | 8 | 7 | 7 | 12 | 10 | 12 | 18 | 13 | 15 | SEE 1500 # WEIGHTS | 36 | 36 | 35 | 52 | 55 | 56 | ||
3″ | 10 | 8 | 9 | 15 | 13 | 16 | 23 | 16 | 20 | 31 | 26 | 29 | 48 | 48 | 48 | 94 | 83 | 86 |
4″ | 15 | 13 | 17 | 25 | 22 | 27 | 42 | 37 | 41 | 53 | 53 | 54 | 73 | 73 | 73 | 145 | 125 | 130 |
5″ | 19 | 15 | 20 | 32 | 28 | 35 | 68 | 63 | 68 | 86 | 83 | 87 | 130 | 130 | 140 | 245 | 210 | 225 |
6″ | 24 | 19 | 26 | 42 | 39 | 50 | 81 | 80 | 86 | 110 | 110 | 115 | 165 | 165 | 160 | 380 | 325 | 345 |
8″ | 39 | 30 | 45 | 67 | 58 | 81 | 120 | 115 | 140 | 175 | 170 | 200 | 275 | 260 | 300 | 580 | 485 | 530 |
10″ | 52 | 43 | 70 | 91 | 81 | 124 | 190 | 170 | 230 | 260 | 245 | 290 | 455 | 435 | 510 | 1075 | 930 | 1025 |
12″ | 80 | 64 | 110 | 140 | 115 | 185 | 225 | 200 | 295 | 325 | 325 | 415 | 690 | 580 | 690 | 1525 | 1100 | 1300 |
14″ | 110 | 90 | 140 | 180 | 165 | 250 | 280 | 230 | 355 | 400 | 400 | 520 | 940 | NA | 975 | NA | NA | NA |
16″ | 140 | 98 | 180 | 250 | 190 | 295 | 390 | 330 | 495 | 495 | 425 | 600 | 1250 | NA | 1300 | NA | NA | NA |
18″ | 150 | 130 | 220 | 320 | 250 | 395 | 475 | 400 | 630 | 680 | 600 | 850 | 1625 | NA | 1750 | NA | NA | NA |
20″ | 180 | 165 | 285 | 400 | 315 | 505 | 590 | 510 | 810 | 830 | 730 | 1075 | 2050 | NA | 2225 | NA | NA | NA |
22″ | 225 | 185 | 355 | 465 | 370 | 640 | 720 | 590 | 1000 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
24″ | 260 | 220 | 430 | 580 | 475 | 790 | 830 | 730 | 1250 | 1500 | 1400 | 2025 | 3325 | NA | 3625 | NA | NA | NA |
Flanges in Acc. with EN / DIN/Weld Neck Flange
Type | EN | DIN |
---|---|---|
Weld Neck Flanges | 11 | 2627 – 2638 |
Blind Flanges | 05 | 2527 |
Threaded Flanges | 13 | 2558 | 2565 – 2569 |
Flat Flanges for Welding | 01 | 2573 | 2576 |
Loose Flanges | 02 | 2641 | 2642 | 2655 | 2656 |
Loose Flanges | 04 | 2673 – 2676 |
Weld-on Collars | 32 | 2641 | 2642 | 2655 | 2656 |
Weld Neck Collars | 34 | 2673 – 2676 |
Slip-on Flanges | 12 | 86029 | 86030 |
Weld Flanges for Pressure Vessels | 28031 | 28033 | |
Lapped Flanges | 86037 | |
Welding Flanges | 86041 | |
Exhaust gas line Flanges | 86044 | |
Special Flanges in accordance with drawings | ||
Flanges for automatic welding processes in acc. with PAS 1057-6 |
Flange versions
Flat steel, edgewise, as a flange | |
Flat steel, flat, as a tire | |
square steel | |
Roun |
Send Inquiry
Adress: 22/28, 3rd Panjrapole Lane,
Shop No. 2, Near C.P. Tank Road,Mumbai – 400 004, INDIA
Landline +91-22-6617 2569 | +91-22- 2242 3168
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