DIN 2634 PN 25 Weld Neck Flanges,DIN 2634 PN25 Flange WNRF,PIPE FLANGE
We are the DIN 2634 PN 25 Welding neck Flange ,DIN 2634 PN 25 FLANGE manufacturer in China. Our DIN 2634 PN 25 Flange with MTC EN 10204 3.1
DIN 2634 PN25 specifies welding neck flanges designed to handle a nominal pressure of PN25 (25 bar or ~362.5 psi). These flanges are used in high-pressure applications across industries like oil and gas, petrochemicals,
CARBON STEEL – CT20, ASTM/ASME SA-105, A-350 LF-2, LF-3, A694, SA-516-70,
CHROME ALLOYS – A-182-F-1, F-5, F-9, F-11, F-12, F-22,
STAINLESS STEEL – A-182 – F-304, 304L, 316, 316L, 309, 310, 317L, 321, 347,Alloy 20
DIN 2633 PN 16 Flange,
DIN 2633 PN 16 WELDING NECK FLANGE
DIN 2632 PN 10 WNRF Flange
DIN 2633 PN 16 WNRF Flange
DIN 2634 PN 25 WNRF Flange
DIN 2635 PN 40 WNRF Flange
DIN flange- the German Institute for Standardization, is a private organization providing standardization services in Germany.
Dimension of DIN2634-PN25-Flange,Weld neck flange (PN 25)
Bridas con cuello para soldar Presion nominal 25
Welding neck flanges Rated pressure 25
VorschweiBflansche Nenndruck 25
DIN 2634 PN25 Flange Dimensions & Weight Chart
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Germany standard flange DIN 2634 welding neck flanges; nominal pressure 25
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Brides à souder à collerette DIN 2634: pression nominale 25
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| Pipe | Flange | Neck | Raised face | Screws | Weight | |||||||||||
| (7,85 Kg/dm3) | ||||||||||||||||
| Rated | d1 | D | b | k | h1 | d3 | s | r | h2 | d4 | f | Holes | Thread | d2 | Kg | |
| Diameter | ISO Series | DIN Series | ||||||||||||||
| 15 | – | 20 | 95 | 16 | 65 | 38 | 30 | 2 | 4 | 6 | 45 | 2 | 4 | M 12 | 14 | 0,746 |
| 21,3 | – | 32 | ||||||||||||||
| 20 | – | 25 | 105 | 18 | 75 | 40 | 38 | 2,3 | 4 | 6 | 58 | 2 | 4 | M 12 | 14 | 1,06 |
| 26,9 | – | 40 | ||||||||||||||
| 25 | – | 30 | 115 | 18 | 85 | 40 | 42 | 2,6 | 4 | 6 | 68 | 2 | 4 | M 12 | 14 | 1,29 |
| 33,7 | – | 45 | ||||||||||||||
| 32 | – | 38 | 140 | 18 | 100 | 42 | 52 | 2,6 | 6 | 6 | 78 | 2 | 4 | M 16 | 18 | 1,88 |
| 42,4 | – | 56 | ||||||||||||||
| 40 | – | 44,5 | 150 | 18 | 110 | 45 | 60 | 2,6 | 6 | 7 | 88 | 3 | 4 | M 16 | 18 | 2,33 |
| 48,3 | – | 64 | ||||||||||||||
| 50 | – | 57 | 165 | 20 | 125 | 48 | 72 | 2,9 | 6 | 8 | 102 | 3 | 4 | M 16 | 18 | 2,82 |
| 60,3 | – | 75 | ||||||||||||||
| 65 | 76,1 | – | 185 | 22 | 145 | 52 | 90 | 2,9 | 6 | 10 | 122 | 3 | 8 | M 16 | 18 | 3,74 |
| 80 | 88,9 | – | 200 | 24 | 160 | 58 | 105 | 3,2 | 8 | 12 | 138 | 3 | 8 | M 16 | 18 | 4,75 |
| 100 | – | 108 | 235 | 24 | 190 | 65 | 128 | 3,6 | 8 | 12 | 162 | 3 | 8 | M 20 | 22 | 6,52 |
| 114,3 | – | 134 | ||||||||||||||
| 125 | – | 133 | 270 | 26 | 220 | 68 | 155 | 4 | 8 | 12 | 188 | 3 | 8 | M 24 | 26 | 9,07 |
| 139,7 | – | 162 | ||||||||||||||
| 150 | – | 159 | 300 | 28 | 250 | 75 | 182 | 4,5 | 10 | 12 | 218 | 3 | 8 | M 24 | 26 | 11,8 |
| 168,3 | – | 192 | ||||||||||||||
| (175) | 193,7 | – | 350 | 28 | 280 | 75 | 218 | 5,6 | 10 | 15 | 248 | 3 | 12 | M 24 | 26 | 13,4 |
| 200 | 219,1 | – | 360 | 30 | 310 | 80 | 244 | 6,3 | 10 | 16 | 278 | 3 | 12 | M 24 | 26 | 17 |
| 250 | – | 267 | 425 | 32 | 370 | 88 | 292 | 7,1 | 12 | 18 | 335 | 3 | 12 | M 27 | 30 | 24,4 |
| 273 | – | 298 | ||||||||||||||
| 300 | 323,9 | – | 485 | 34 | 430 | 92 | 352 | 8 | 12 | 18 | 395 | 4 | 16 | M 27 | 30 | 31,2 |
| 350 | 355,6 | – | 555 | 38 | 490 | 100 | 398 | 8 | 12 | 20 | 450 | 4 | 16 | M 30 | 33 | 47,2 |
| – | 368 | 44,2 | ||||||||||||||
| 400 | 406,4 | – | 620 | 40 | 550 | 110 | 452 | 8,8 | 12 | 20 | 505 | 4 | 16 | M 33 | 36 | 61,7 |
| – | 419 | 57,9 | ||||||||||||||
| (450) | 457 | – | 670 | 42 | 600 | 110 | 500 | 8,8 | 12 | 20 | 550 | 4 | 20 | M 33 | 36 | 71,9 |
| 500 | 508 | – | 730 | 44 | 660 | 125 | 558 | 10 | 12 | 20 | 615 | 4 | 20 | M 33 | 36 | 89,6 |
| 600 | 610 | – | 845 | 46 | 770 | 125 | 660 | 11 | 12 | 20 | 720 | 5 | 20 | M 36 | 39 | 104 |
| 700 | 711 | – | 960 | 46 | 875 | 125 | 760 | 13 | 20 | 24 | 820 | 5 | 24 | M 39 | 42 | 136 |
| 800 | 813 | – | 1085 | 50 | 990 | 135 | 865 | 14 | 22 | 24 | 930 | 5 | 24 | M 45 | 48 | 186 |
| 900 | 914 | – | 1185 | 54 | 1090 | 145 | 968 | 16 | 24 | 28 | 1030 | 5 | 28 | M 45 | 48 | 236 |
| 1000 | 1016 | – | 1320 | 58 | 1210 | 155 | 1070 | 18 | 24 | 28 | 1140 | 5 | 28 | M 52 | 56 | |
DIN Standard reference
- PLATE FLANGE
- DIN 2573 PN6
- DIN 2576 PN10
- DIN 2642 PN10
- WELDING NECK FLANGE
- DIN 2631 PN6
- DIN 2632 PN10
- DIN 2633 PN16
- DIN 2634 PN25
- DIN 2635 PN40
- THREADED FLANGE
- DIN 2565 PN6
- DIN 2566 PN10
- BLIND FLANGE
- DIN 2527 PN10
- DIN 2527 PN16
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Description Old DIN standard New EN standard Type Pressure Welding neck flange DIN 2631 EN 1092-1 11 PN6 Welding neck flange DIN 2632 EN 1092-1 11 PN10 Welding neck flange DIN 2633 EN 1092-1 11 PN16 Welding neck flange DIN 2634 EN 1092-1 11 PN25 Welding neck flange DIN 2635 EN 1092-1 11 PN40 Welding neck flange DIN 2636 EN 1092-1 11 PN63 Welding neck flange DIN 2637 EN 1092-1 11 PN100
DIN 2634 is a German standard that specifies the dimensions and pressure ratings of weld neck flanges for different pressure classes. Specifically, PN25 indicates a pressure rating of 25 bar (25 MPa). DIN 2634 PN25 flanges are used for high-pressure systems and are commonly found in industries such as chemical processing, power generation, and oil & gas.
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