Flange Welding Neck Flange (GOST 12821-80)
Specifications
High Quality Products
Competitive Price
On Time Delivery
Flanges
Product Description
Stainless Steel: ASTM A 182, A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H
Carbon Steel: ASTM A 105, ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy 904
Copper Alloys: Aluminium, Copper, Brass & Gunmetal
Types : Weldneck, Slipon, Blind, Socket Weld, Lap Joint, Spectacles, Ringjoint, Orifcase, Long Weldneck, Deck Flange, etc.
Size : 1/8" NB TO 48"NB.
Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #packing: in wooden cases
25Bar |
bore | common dimension | hub | raised face | drilling | approx weight(kg) |
nominal bore | d1 | D | t | k | T | d3 | s | r | a | d4 | f | number of bolf | dia.of bolf | d2 | din2544 | din2634 |
10 | 14 | 90 | 16 | 60 | 35 | 25 | 1.8 | 4 | 6 | 40 | 2 | 4 | M12 | (1 1/2'') | 14 | 0.72 | 0.661 |
17.2*) | 28 |
15 | 20 | 95 | 16 | 65 | 38 | 30 | 2.0 | 4 | 6 | 45 | 2 | 4 | M12 | (1 1/2'') | 14 | 0.81 | 0.746 |
21.3*) | 32 |
20 | 25 | 105 | 18 | 75 | 40 | 38 | 2.3 | 4 | 6 | 58 | 2 | 4 | M12 | (1 1/2'') | 14 | 1.24 | 1.06 |
26.9*) | 40 |
25 | 30 | 115 | 18 | 85 | 40 | 42 | 2.6 | 4 | 6 | 68 | 2 | 4 | M12 | (1 1/2'') | 14 | 1.38 | 1.29 |
33.7*) | 46 |
32 | 38 | 140 | 18 | 100 | 42 | 52 | 2.6 | 6 | 6 | 78 | 2 | 4 | M16 | (5/8'') | 18 | 2.03 | 1.88 |
42.4*) | 56 |
40 | 44.5 | 150 | 18 | 110 | 45 | 60 | 2.6 | 6 | 7 | 88 | 3 | 4 | M16 | (5/8'') | 18 | 2.35 | 2.34 |
48.3*) | 64 |
50 | 57 | 165 | 20 | 125 | 48 | 72 | 2.9 | 6 | 8 | 102 | 3 | 4 | M16 | (5/8'') | 18 | 3.2 | 2.82 |
60.3*) | 75 |
65 | 76.1*) | 185 | 22 | 145 | 52 | 90 | 2.9 | 6 | 10 | 122 | 3 | 8 | M16 | (5/8'') | 18 | 4.29 | 3.74 |
80 | 88.9) | 200 | 24 | 160 | 58 | 105 | 3.2 | 8 | 12 | 138 | 3 | 8 | M16 | (5/8'') | 18 | 5.88 | 4.75 |
100 | 108 | 235 | 24 | 190 | 65 | 128 | 3.6 | 8 | 12 | 162 | 3 | 8 | M20 | (3/4'') | 23 | 7.54 | 6.52 |
114.3*) | 134 |
125 | 133 | 270 | 26 | 220 | 68 | 155 | 4.0 | 8 | 12 | 188 | 3 | 8 | M24 | (7/8'') | 27 | 10.8 | 9.07 |
139.7*) | 162 |
150 | 159 | 300 | 28 | 250 | 75 | 182 | 4.5 | 10 | 12 | 218 | 3 | 8 | M24 | (7/8'') | 27 | 14.5 | 11.8 |
168.3*) | 192 |
200 | 216 | 360 | 30 | 310 | 80 | 240 | 6.3 | 10 | 16 | 278 | 3 | 12 | M24 | (7/8'') | 27 | 22.3 | 17 |
219.1*) | 244 |
250 | 267 | 425 | 32 | 370 | 88 | 292 | 7.1 | 12 | 18 | 335 | 3 | 12 | M27 | (1'') | 30 | 33.5 | 24.4 |
273*) | 298 |
300 | 318 | 485 | 34 | 430 | 92 | 345 | 8.0 | 12 | 20 | 395 | 4 | 16 | M27 | (1'') | 30 | 46.3 | 31.2 |
323.9*) | 352 |
350 | 355.6*) | 555 | 38 | 490 | 10 | 395 | 8.0 | 12 | 20 | 450 | 4 | 16 | M30 | (1 1/8'') | 33 | 68 | 47.2 |
368 |
400 | 406.4*) | 620 | 40 | 550 | 110 | 452 | 8.8 | 12 | 20 | 505 | 4 | 16 | M33 | (1 1/4'') | 36 | 89.7 | 61.7 |
419 |
500 | 508.1*) | 730 | 44 | 660 | 125 | 558 | 10.0 | 12 | 20 | 615 | 4 | 20 | M33 | (1 1/4'') | 36 | 138 | 89.6 |
521 |
600 | 609.6*) | 845 | 46 | 770 | 125 | 660 | 11.0 | 12 | 20 | 720 | 5 | 20 | M36 | (1 3/8'') | 39 |
| 104 |
622 |
700 | 721.2*) | 960 | 46 | 875 | 125 | 760 | 12.5 | 12 | 22 | 820 | 5 | 24 | M39 | (1 1/2'') | 42 |
| 136 |
720 |
800 | 812.8*) | 1085 | 50 | 990 | 135 | 865 | 14.2 | 12 | 20 | 930 | 5 | 24 | M45 | (1 3/4'') | 48 |
| 186 |
820 |
900 | 914.4* | 1185 | 54 | 1090 | 145 | 968 | 16.0 | 12 | 24 | 1030 | 5 | 28 | M45 | (1 3/4'') | 48 |
| 236 |
930 |
1000 | 1016*) | 1320 | 58 | 1210 | 155 | 1070 | 17.5 | 16 | 24 | 1140 | 5 | 28 | M52 | (2'') | 56 |
| 307 |
1020 |
40Bar |
|
bore | common dimension | hub | raised face | drilling | approx weight(kg) |
nominal bore | d1 | D | t | k | T | d3 | s | r | a | d4 | f | number of bolf | dia.of bolf | d2 | din2544 | din2634 |
10 | 14 | 90 | 16 | 60 | 35 | 25 | 1.8 | 4 | 6 | 40 | 2 | 4 | M12 | (1 1/2'') | 14 | 0.72 | 0.661 |
17.2*) | 28 |
15 | 20 | 95 | 16 | 65 | 38 | 30 | 2.0 | 4 | 6 | 45 | 2 | 4 | M12 | (1 1/2'') | 14 | 0.81 | 0.746 |
21.3*) | 32 |
20 | 25 | 105 | 18 | 75 | 40 | 38 | 2.3 | 4 | 6 | 58 | 2 | 4 | M12 | (1 1/2'') | 14 | 1.24 | 1.06 |
26.9*) | 40 |
25 | 30 | 115 | 18 | 85 | 40 | 42 | 2.6 | 4 | 6 | 68 | 2 | 4 | M12 | (1 1/2'') | 14 | 1.38 | 1.29 |
33.7*) | 46 |
32 | 38 | 140 | 18 | 100 | 42 | 52 | 2.6 | 6 | 6 | 78 | 2 | 4 | M16 | (5/8'') | 18 | 2.03 | 1.88 |
42.4*) | 56 |
40 | 44.5 | 150 | 18 | 110 | 45 | 60 | 2.6 | 6 | 7 | 88 | 3 | 4 | M16 | (5/8'') | 18 | 2.35 | 2.33 |
48.3*) | 64 |
50 | 57 | 165 | 20 | 125 | 48 | 72 | 2.9 | 6 | 8 | 102 | 3 | 4 | M16 | (5/8'') | 18 | 3.2 | 2.82 |
60.3*) | 75 |
65 | 76.1*) | 185 | 22 | 145 | 52 | 90 | 2.9 | 6 | 10 | 122 | 3 | 8 | M16 | (5/8'') | 18 | 4.29 | 3.74 |
80 | 88.9) | 200 | 24 | 160 | 58 | 105 | 3.2 | 8 | 12 | 138 | 3 | 8 | M16 | (5/8'') | 18 | 5.88 | 4.75 |
100 | 108 | 235 | 24 | 190 | 65 | 128 | 3.6 | 8 | 12 | 162 | 3 | 8 | M20 | (3/4'') | 23 | 7.54 | 6.52 |
114.3*) | 134 |
125 | 133 | 270 | 26 | 220 | 68 | 155 | 4.0 | 8 | 12 | 188 | 3 | 8 | M24 | (7/8'') | 27 | 10.8 | 9.07 |
139.7*) | 162 |
150 | 159 | 300 | 28 | 250 | 75 | 182 | 4.5 | 10 | 12 | 218 | 3 | 8 | M24 | (7/8'') | 27 | 14.5 | 11.8 |
168.3*) | 192 |
(175) | (191) | 350 | 32 | 295 | 82 | 215 | 5.6 | 10 | 15 | 260 | 3 | 12 | M27 | (1'') | 30 | 22.1 | 18.2 |
193.7*) | 218 |
200 | 216 | 375 | 34 | 320 | 88 | 240 | 6.3 | 10 | 16 | 285 | 3 | 12 | M27 | (1'') | 30 | 27.2 | 21.5 |
219.1*) | 244 |
250 | 267 | 450 | 38 | 385 | 105 | 298 | 7.1 | 12 | 18 | 345 | 3 | 12 | M30 | (11/8'') | 33 | 43.8 | 34.9 |
273*) | 306 |
300 | 318 | 515 | 42 | 450 | 115 | 352 | 8.0 | 12 | 18 | 410 | 4 | 16 | M30 | (11/8'') | 33 | 63.3 | 49.7 |
323.9*) | 362 |
350 | 355.6*) | 580 | 46 | 510 | 125 | 408 | 8.8 | 12 | 20 | 465 | 4 | 16 | M33 | (1 1/4'') | 36 | 89.5 | 68.1 |
368 |
400 | 406.4*) | 660 | 50 | 585 | 135 | 462 | 11.0 | 12 | 20 | 535 | 4 | 16 | M36 | (1 3/8'') | 39 | 127 | 96.5 |
419 |
500 | 508*) | 755 | 52 | 670 | 140 | 562 | 14.2 | 12 | 20 | 615 | 4 | 20 | M39 | (1 1/2'') | 42 | 172 | 117 |
Witsteel Group was established in 1996, occupy area more than 13,000 square meters, 450 employees. In order to present best products and service to our clients, we strict execution with ISO9001:2000 international quality system authentication.
Our continuous product development and production quality control is exercised by our technical control department (TCD). They strictly control raw material selection, production and inspection.
All the products from Witsteel group export through Shandong Witsteel International Trading Co., Ltd, which invested by Group Witsteel. Shandong Witsteel International Trading Co., Ltd mainly import and export iron ore, carbon steel, stainless steel, alloy steel products such as sheet, coil, bar, roll, pipe, fitting, registered capital 8 million $. We already build very good relationship with many customers from 20 countrys around the world. We will continue to use our professional and high efficient service to offer our customer more economical soluotion on business.