DIN 2631 PN6 FLANGE WELD NECK RF | Hebei Haihao Flange Factory

DIN 2631 PN6 FLANGE WELD NECK RF

DIN 2631 PN6 FLANGE WELD NECK RF
din2631pn6
din_wn_flange
Dimensions & Approximate Masses DIN 2631 PN6 Flange WN
Germany standard flange DIN 2631 welding neck flanges; nominal pressure 6
Vorschweißflansche DIN 2631 Nenndruck 6
Brides à souder à collerette DIN 2631: pression nominale 6
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 80 12 55 30 28 2 4 6 40 2 4 M 10 11 0,392
21,3 30
20 25 90 14 65 32 35 2,3 4 6 50 2 4 M 10 11 0,592
26,9 38
25 30 100 14 75 35 40 2,6 4 6 60 2 4 M 10 11 0,747
33,7 42
32 38 120 14 90 35 50 2,6 6 6 70 2 4 M 12 14 1,05
42,4 55
40 44,5 130 14 100 38 58 2,6 6 7 80 3 4 M 12 14 1,18
48,3 62
50 57 140 14 110 38 70 2,9 6 8 90 3 4 M 12 14 1,34
60,3 74
65 76,1 160 14 130 38 88 2,9 6 9 110 3 4 M 12 14 1,67
80 88,9 190 16 150 42 102 3,2 8 10 128 3 4 M 16 18 2,71
100 108 210 16 170 45 122 3,6 8 10 148 3 4 M 16 18 3,24
114,3 130
125 133 240 18 200 48 148 4 8 10 178 3 8 M 16 18 4,49
139,7 155
150 159 265 18 225 48 172 4,5 10 12 202 3 8 M 16 18 5,15
168,3 184
200 219,1 320 20 280 55 236 5,9 10 15 258 3 8 M 16 18 7,78
250 267 375 22 335 60 282 6,3 12 15 312 3 12 M 16 18 10,8
273 290
300 323,9 440 22 395 62 342 7,1 15 15 365 4 12 M 20 22 14
350 355,6 490 22 445 62 385 7,1 12 15 415 4 12 M 20 22 18,5
368 16,7
400 406,4 540 22 495 65 438 7,1 12 15 465 4 16 M 20 22 21,2
419 19
500 508 645 24 600 68 538 7,1 12 15 570 4 20 M 20 22 28,6
600 610 755 24 705 70 640 7,1 12 16 670 5 20 M 24 26 31,5
700 711 860 24 810 70 740 7,1 12 16 775 5 24 M 24 26 37,4
800 813 975 24 920 70 842 7,1 12 16 880 5 24 M 27 30 46,1
900 914 1075 26 1020 70 942 7,1 12 16 980 5 24 M 27 30 55,6
1000 1016 1175 26 1120 70 1045 7,1 16 16 1080 5 28 M 27 30 61,9

NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696

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