
DIN 2631 PN6 Welding Neck Flange
| Dimension and weight of DIN2631 PN6 Welding Neck Flange |
| Pipe Parameter |
Flange Dimension |
Neck Size |
Hub Size |
Screw |
Approx. Flange Weight |
| DN |
ISO |
DIN |
D |
b |
k |
h1 |
d3 |
s |
r |
h2 |
d4 |
f |
No. of Holes |
d2 |
KG/PCS |
| 10 |
– |
14 |
75 |
12 |
50 |
28 |
22 |
1.8 |
4 |
6 |
35 |
2 |
4 |
11 |
0.34 |
| 17.2 |
– |
75 |
12 |
50 |
28 |
26 |
1.8 |
4 |
6 |
35 |
2 |
4 |
11 |
0.34 |
| 15 |
– |
20 |
80 |
12 |
55 |
30 |
28 |
2 |
4 |
6 |
40 |
2 |
4 |
11 |
0.39 |
| 21.3 |
– |
80 |
12 |
55 |
30 |
30 |
2 |
4 |
6 |
40 |
2 |
4 |
11 |
0.4 |
| 20 |
– |
25 |
90 |
14 |
65 |
32 |
35 |
2.3 |
4 |
6 |
50 |
2 |
4 |
11 |
0.6 |
| 26.9 |
– |
90 |
14 |
65 |
32 |
38 |
2.3 |
4 |
6 |
50 |
2 |
4 |
11 |
0.6 |
| 25 |
– |
30 |
100 |
14 |
75 |
35 |
40 |
2.6 |
4 |
6 |
60 |
2 |
4 |
11 |
0.76 |
| 33.7 |
– |
100 |
14 |
75 |
35 |
42 |
2.6 |
4 |
6 |
60 |
2 |
4 |
11 |
0.75 |
| 32 |
– |
38 |
120 |
14 |
90 |
35 |
50 |
2.6 |
6 |
6 |
70 |
2 |
4 |
14 |
1.07 |
| 42.4 |
– |
120 |
14 |
90 |
35 |
55 |
2.6 |
6 |
6 |
70 |
2 |
4 |
14 |
1.06 |
| 40 |
– |
44.5 |
130 |
14 |
100 |
38 |
58 |
2.6 |
6 |
7 |
80 |
3 |
4 |
14 |
1.21 |
| 46.3 |
– |
130 |
14 |
100 |
38 |
62 |
2.6 |
6 |
7 |
80 |
3 |
4 |
14 |
1.2 |
| 50 |
– |
57 |
140 |
14 |
110 |
38 |
70 |
2.9 |
6 |
8 |
90 |
3 |
4 |
14 |
1.37 |
| 60.3 |
– |
140 |
14 |
110 |
38 |
74 |
2.9 |
6 |
8 |
90 |
3 |
4 |
14 |
1.36 |
| 65 |
76.1 |
– |
160 |
14 |
130 |
38 |
88 |
2.9 |
6 |
9 |
110 |
3 |
4 |
14 |
1.69 |
| 80 |
88.9 |
– |
190 |
16 |
150 |
42 |
102 |
3.2 |
8 |
10 |
128 |
3 |
4 |
18 |
2.72 |
| 100 |
– |
108 |
210 |
16 |
170 |
45 |
122 |
3.6 |
8 |
10 |
148 |
3 |
4 |
18 |
3.29 |
| 114.3 |
– |
210 |
16 |
170 |
45 |
130 |
3.6 |
8 |
10 |
148 |
3 |
4 |
18 |
3.22 |
| 125 |
– |
133 |
240 |
18 |
200 |
48 |
148 |
4 |
8 |
10 |
178 |
3 |
8 |
18 |
4.58 |
| 139.7 |
– |
240 |
18 |
200 |
48 |
155 |
4 |
8 |
10 |
178 |
3 |
8 |
18 |
4.42 |
| 150 |
– |
159 |
265 |
18 |
225 |
48 |
172 |
4.5 |
10 |
12 |
202 |
3 |
8 |
18 |
5.26 |
| 158.3 |
– |
265 |
18 |
225 |
48 |
184 |
4.5 |
10 |
12 |
202 |
3 |
8 |
18 |
5.04 |
| 200 |
219.1 |
– |
320 |
20 |
280 |
55 |
236 |
5.9 |
10 |
15 |
258 |
3 |
8 |
18 |
7.95 |
| 250 |
– |
267 |
375 |
22 |
335 |
60 |
282 |
6.3 |
12 |
15 |
312 |
3 |
12 |
18 |
11.16 |
| 273 |
– |
375 |
22 |
335 |
60 |
290 |
6.3 |
12 |
15 |
312 |
3 |
12 |
18 |
10.87 |
| 300 |
323.9 |
– |
440 |
22 |
395 |
62 |
342 |
7.1 |
12 |
15 |
365 |
4 |
12 |
22 |
14.26 |
| 350 |
355.6 |
– |
490 |
22 |
445 |
62 |
385 |
7.1 |
12 |
15 |
415 |
4 |
12 |
22 |
18.54 |
| – |
368 |
490 |
22 |
445 |
62 |
385 |
7.1 |
12 |
15 |
415 |
4 |
12 |
22 |
16.78 |
| 400 |
406.6 |
– |
540 |
22 |
495 |
65 |
438 |
7.1 |
12 |
15 |
465 |
4 |
16 |
22 |
21.25 |
| – |
419 |
540 |
22 |
495 |
65 |
438 |
7.1 |
12 |
15 |
465 |
4 |
16 |
22 |
19.1 |
| 500 |
508 |
– |
645 |
24 |
600 |
68 |
538 |
7.1 |
12 |
15 |
570 |
4 |
20 |
22 |
28.67 |
| 600 |
610 |
– |
755 |
24 |
705 |
70 |
640 |
7.1 |
12 |
16 |
670 |
5 |
20 |
26 |
34.8 |
| 700 |
711 |
– |
860 |
24 |
810 |
70 |
740 |
7.1 |
12 |
16 |
775 |
5 |
24 |
26 |
40.94 |
| 800 |
813 |
– |
975 |
24 |
920 |
70 |
842 |
7.1 |
12 |
16 |
880 |
5 |
24 |
30 |
49.19 |
| 900 |
914 |
– |
1075 |
26 |
1020 |
70 |
942 |
7.1 |
12 |
16 |
980 |
5 |
24 |
30 |
58.1 |
| 1000 |
1016 |
– |
1175 |
26 |
1120 |
70 |
1045 |
7.1 |
16 |
16 |
1080 |
5 |
28 |
30 |
63.48 |
| 1200 |
1220 |
– |
1405 |
28 |
1340 |
90 |
1248 |
8 |
16 |
20 |
1295 |
5 |
32 |
33 |
100.17 |
| 1400 |
1420 |
– |
1630 |
32 |
1560 |
90 |
1452 |
8 |
16 |
20 |
1510 |
5 |
36 |
36 |
142.78 |
| 1600 |
1620 |
– |
1830 |
34 |
1760 |
90 |
1655 |
9 |
16 |
20 |
1710 |
5 |
40 |
36 |
174.36 |
| 1800 |
1820 |
– |
2045 |
36 |
1970 |
100 |
1855 |
10 |
16 |
20 |
1920 |
5 |
44 |
39 |
226.98 |
| 2000 |
2020 |
– |
2265 |
38 |
2180 |
110 |
2058 |
11 |
16 |
25 |
2125 |
5 |
48 |
42 |
292.12 |
| 2200 |
2220 |
– |
2475 |
42 |
2390 |
115 |
2260 |
12 |
18 |
25 |
2335 |
6 |
52 |
42 |
366.33 |
| 2400 |
2420 |
– |
2685 |
44 |
2600 |
125 |
2462 |
13 |
18 |
25 |
2545 |
6 |
56 |
42 |
448.52 |
| 2600 |
2620 |
– |
2905 |
46 |
2810 |
130 |
2665 |
14 |
18 |
25 |
2750 |
6 |
60 |
48 |
540.16 |
| 2800 |
2820 |
– |
3115 |
48 |
3020 |
135 |
2865 |
15 |
18 |
30 |
2960 |
6 |
64 |
48 |
630.03 |
| 3000 |
3020 |
– |
3315 |
50 |
3220 |
140 |
3068 |
16 |
18 |
30 |
3160 |
6 |
68 |
48 |
716.33 |
| 3200 |
3220 |
– |
3525 |
54 |
3430 |
150 |
3272 |
16 |
20 |
30 |
3370 |
6 |
72 |
48 |
854.42 |
| 3400 |
3420 |
– |
3735 |
46 |
3640 |
160 |
3475 |
18 |
20 |
35 |
3580 |
6 |
76 |
48 |
887.81 |
| 3600 |
3620 |
– |
3970 |
60 |
3860 |
165 |
3678 |
18 |
20 |
35 |
3790 |
6 |
80 |
56 |
1202.43 |