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Backed with experienced team of professionals, we manufacture, export and supply a wide range of Weld Neck Flanges that are extensively used for fitting purposes. Manufactured under the supervision of our skilled technocrats, proposed flanges are also examined by our quality controllers on set parameters of quality. These flanges are attached to the pipe by welding the pipe to the neck of the pipe flange which allow the transfer of stress from weld neck pipe flanges to pipe itself. Our valuable customers can easily avail these Weld Neck Flanges from us as per their demands at negotiable rates.
Features:
Our technocrats are proficient in manufacturing a broad gamut of weld neck flanges like:
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WELDING NECK FLANGE BORE (B)
Nominal Pipe Size | Outside Diam | Sch. 10 | Sch. 20 | Sch. 30 | Sch. Std. | Sch. 40 | Sch. XS | Sch. 80 | Sch. 120 | Sch. 160 | Double Extra Strong |
15 | 21.33 | 17.1 | - | - | 15.7 | 15.7 | 13.8 | 13.8 | - | 11.7 | 6.4 |
20 | 26.67 | 22.5 | - | - | 20.8 | 20.8 | 18.8 | 18.8 | - | 15.5 | 11.0 |
25 | 33.40 | 27.9 | - | - | 26.6 | 25.4 | 24.3 | 24.3 | - | 20.7 | 15.2 |
32 | 42.16 | 36.6 | - | - | 35.0 | 35.0 | 32.4 | 32.4 | - | 23.4 | 22.7 |
40 | 48.26 | 42.7 | - | - | 40.8 | 40.8 | 38.1 | 38.1 | - | 33.7 | 27.9 |
50 | 60.31 | 54.8 | - | - | 52.3 | 52.3 | 49.2 | 49.2 | - | 42.8 | 38.1 |
65 | 73.02 | 66.9 | - | - | 62.4 | 62.4 | 59.0 | 59.0 | - | 53.9 | 44.9 |
80 | 88.90 | 82.8 | - | - | 77.9 | 77.9 | 73.6 | 73.6 | - | 66.6 | 58.4 |
100 | 114.30 | 108.2 | - | - | 102.2 | 102.2 | 97.1 | 97.1 | 92.0 | 87.3 | 80.0 |
125 | 141.30 | 134.5 | - | - | 128.1 | 128.1 | 122.2 | 122.2 | 115.9 | 109.5 | 103.2 |
150 | 168.27 | 161.5 | - | - | 154.0 | 154.0 | 146.3 | 146.3 | 139.7 | 131.7 | 124.3 |
200 | 219.07 | 211.6 | 206.2 | 204.9 | 202.7 | 202.7 | 193.6 | 193.6 | 182.5 | 173.0 | 174.6 |
250 | 273.05 | 264.7 | 260.3 | 257.4 | 254.5 | 254.5 | 247.6 | 242.8 | 230.1 | 215.9 | 222.2 |
300 | 323.85 | 314.7 | 311.1 | 307.0 | 304.8 | 303.2 | 298.4 | 288.8 | 273.0 | 257.2 | 273.0 |
350 | 355.60 | 346.2 | 337.8 | 336.5 | 336.5 | 333.3 | 330.2 | 317.5 | 300.0 | 284.1 | - |
400 | 406.40 | 396.7 | 390.3 | 387.3 | 387.3 | 381.0 | 381.0 | 363.5 | 344.5 | 325.4 | - |
450 | 457.20 | 447.50 | 441.1 | 434.9 | 438.1 | 428.6 | 431.8 | 409.5 | 387.3 | 366.7 | - |
500 | 508.00 | 497.3 | 488.9 | 482.6 | 488.9 | 477.8 | 482.6 | 455.6 | 431.8 | 407.9 | - |
600 | 609.60 | 596.9 | 590.5 | 581.0 | 590.5 | 574.6 | 584.2 | 547.6 | 517.5 | 490.5 | - |
DIN 2635
Welding Neck Flanges for Nominal pressure 40
Pipe | Flange | Neck | Raised face | Bolts | Weight of One Flange (7.85 kg./dm2)kg | |||||||||||
NW | d1 | D | b | k | h1 | d3 | s | r | h2 | d4 | f | No. | Thread | d2 | ||
10 | 14 | 90 | 16 | 60 | 35 | 25 | 1.8 | 4 | 6 | 40 | 2 | 4 |
M 12 |
(1/2'') |
14 | 0.661 |
17.2 | 28 |
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15 | 20 | 95 | 16 | 65 | 38 | 30 | 2 | 4 | 6 | 45 | 2 | 0.746 | ||||
21.3 | 32 |
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20 | 25 | 105 | 18 | 75 | 40 | 38 | 2.3 | 4 | 6 | 58 | 2 | 1.06 | ||||
| 40 |
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25 | 30 | 115 | 18 | 85 | 40 | 42 | 2.6 | 4 |
6 | 68 | 2 | 1.29 | ||||
33.7 | 46 |
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32 | 38 | 140 | 18 | 100 |
42 | 52 | 2.6 | 6 | 6 | 78 | 2 |
M 16
M 20 |
(5/8'') |
18 | 1.88 | |
42.4 | 56 |
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40 | 44.5 | 150 | 18 | 110 | 45 | 60 | 2.6 | 6 | 7 | 88 | 3 | 2.33 | ||||
48.3 | 64 |
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50 | 57 | 165 | 20 | 125 | 48 | 72 | 2.9 | 6 | 8 | 102 | 3 | 2.82 | ||||
60.3 | 75 |
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65 | 76.1 | 185 | 22 | 145 | 52 | 90 | 2.9 | 6 | 10 | 122 | 3 |
8 | 3.74 | |||
80 | 88.9 | 200 | 24 | 160 | 58 | 105 | 3.2 | 8 | 12 | 138 | 3 | 4.75 | ||||
100 | 108 | 235 | 24 | 190 | 65 | 128 | 3.6 | 8 | 12 | 162 | 3 | (3/4'') | 23 | 6.52 | ||
114.3 | 134 |
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125 | 133 | 270 | 26 | 220 | 68 | 155 | 4 | 8 | 12 | 188 | 3 | 8 | M 24 | (7/8'') | 27 | 9.07 |
139.7 | 162 |
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150 | 159 | 300 | 28 | 250 | 75 | 182 | 4.5 | 10 | 12 | 218 | 3 | 11.8 | ||||
168.3 | 192 |
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175 | 191 | 350 | 32 | 295 | 82 | 215 | 5.6 | 10 | 15 | 260 | 3 | 12 |
M 27 |
(1'') |
30 | 18.2 |
193.7 | 218 |
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200 | 216 | 375 | 34 | 320 | 88 | 240 | 6.3 | 10 | 16 | 285 | 3 | 21.5 | ||||
219.1 | 244 |
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250 | 267 | 450 | 38 | 385 | 105 | 298 | 7.1 | 12 | 18 | 345 | 3 |
M 30 |
(1 1/8'') |
33 | 34.9 | |
273 | 306 |
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300 | 318 | 515 | 42 | 450 | 115 | 352 | 8 | 12 | 18 | 410 | 4 |
16 | 49.7 | |||
323.9 | 362 |
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350 | 355.6 | 580 | 46 | 510 | 125 | 408 | 8.8 | 12 | 20 | 460 | 4 | M 33 | (1¼'') | 36 |
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368 | 68.1 | |||||||||||||||
400 | 406.4 | 660 | 50 | 585 | 135 | 462 | 11 | 12 | 20 | 535 | 4 |
| M 36 | (1 3/8'') | 39 |
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419 | 96.5 | |||||||||||||||
500 | 508 | 755 | 52 | 670 | 140 | 562 | 14.2 | 12 | 20 | 615 | 4 | 20 | M 39 | (1½'') | 42 |
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521 | 117 |