DIN 2634 PN25

DIN 2634 PN25 DIN 2634 PN25
Pipe Flange Neck Raised face Screws Weight of a flange
(7,85 Kg/dm3)
Rated
Diameter
d1 D b k h1 d3 s r h2 d4 f Number Thread d2 Kg
ISO Series 1 DIN Series 2
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 56 307


Standards, Dimensions & Weight of WN flange

The welding neck flange is the best designed butt-welded flange of those currently available becuase of its inherent structural value.

Most common flange types

Regardless of custom sizing or specifications, the fundamental design of most flanges falls under six common styles created to close, connect, cover, or support pipes and pipe systems.



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