DIN 2630 PN2.5 Welding Neck Flange

DIN2630 PN2.5 Welding Neck Flange
Dimension and weight of DIN2630 PN2.5 Welding Neck Flange
Pipe Parameter
d1
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
0.46
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
0.78
33.7
–
100
14
75
35
42
2.6
4
6
60
2
4
11
0.78
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
55
2.6
6
7
80
3
4
14
1.21
48.3
–
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
110
3
4
14
1.6
80
88.9
–
190
16
150
42
102
3.2
8
10
128
3
4
18
2.72
100
–
106
210
16
170
45
122
3.6
8
10
148
3
4
18
3.2
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
166.3
–
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
16
312
3
12
18
10.57
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
18.56
–
368
490
22
445
62
385
7.1
12
15
415
4
12
22
16.76
400
406.4
–
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
506
–
645
24
600
68
538
7.1
12
15
570
4
20
22
23.57
600
610
–
755
24
705
70
640
7.1
12
16

 

670
5
20
26
34.5
700
711
–
660
24
810
70
740
7.1
12
16
775
5
24
26
40
800
813
–
975
24
920
70
842
7.1
12
16
880
5
24
30
48.18
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
25
30
63.41
1200
1220
–
1375
26
1320
70
1245
7
16
16
1280
5
32
30
72.82
1400
1420
–
1575
26
1520
70
1445
7
16
16
1480
5
36
30
84.5
1600
1620
–
1790
26
1730
80
1645
8
16
20
1680
5
40
30
111.57
1800
1820
–
1990
26
1930
80
1845
9
16
20
1890
5
44
30
128.41
2000
2020
–
2190
26
2130
80
2045
10
18
22
2090
5
48
30
145
2200
2220
–
2405
28
2340
90
2248
10
18
25
2295
6
52
33
184.1
2400
2420
–
2605
28
2540
90
2448
10
18
25
2495
6
56
32
200.47
2600
2620
–
2805
28
2740
90
2648
10
18
25
2695
6
60
33
216
2800
2820
–
3030
30
2960
90
2848
10
18
25
2910
6
64
36
268.05
3000
3020
–
3230
30
3160
90
3050
10
18
25
3110
6
66
36
285
3200
3220
–
3430
30
3350
90
3250
10
20
25
3310
6
72
36
306.75
3400
3420
–
3630
32
3560
95
3450
10
20
28
3510
6
76
36
346.71
3600
3620
–
3340
32
3770

 

100
3652
10
20
28
3720
6
80
36
305.71
3800
3820
–
4045
34
3970
100
3852
10
20
28
3920
6
80
–
–
4000
4020
–
4245
34
4170
100
4052
10
20
28
4120
6