The DIN 2637 PN100 Welding Neck Flange can be used at maximum 120°C temperature with up to 100 bar of working pressure.
At higher temperature of 120°C to 300°C, it should be taken into consideration that the material yield point becomes lower.
|
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
|
100
|
20
|
70
|
45
|
28
|
1.8
|
4
|
6
|
40
|
2
|
4
|
14
|
1.07
|
|
17.2
|
–
|
100
|
20
|
70
|
45
|
32
|
1.8
|
4
|
6
|
40
|
2
|
4
|
14
|
1.08
|
|
|
15
|
–
|
20
|
105
|
20
|
75
|
45
|
32
|
2
|
4
|
6
|
45
|
2
|
4
|
14
|
1.19
|
|
21.3
|
–
|
105
|
20
|
75
|
45
|
34
|
2
|
4
|
6
|
45
|
2
|
4
|
14
|
1.19
|
|
|
25
|
–
|
30
|
140
|
24
|
100
|
58
|
48
|
2.6
|
4
|
8
|
68
|
2
|
4
|
18
|
2.61
|
|
33.7
|
–
|
140
|
24
|
100
|
58
|
52
|
2.6
|
4
|
8
|
68
|
2
|
4
|
18
|
2.6
|
|
|
40
|
–
|
44.5
|
170
|
26
|
125
|
62
|
65
|
2.9
|
6
|
10
|
88
|
3
|
4
|
22
|
4
|
|
48.3
|
–
|
170
|
26
|
125
|
62
|
70
|
2.9
|
6
|
10
|
88
|
3
|
4
|
22
|
3.99
|
|
|
50
|
–
|
57
|
195
|
28
|
145
|
68
|
86
|
3.2
|
6
|
10
|
102
|
3
|
4
|
26
|
5.72
|
|
60.3
|
–
|
195
|
28
|
145
|
68
|
90
|
3.2
|
6
|
10
|
102
|
3
|
4
|
26
|
5.7
|
|
|
65
|
76.1
|
–
|
220
|
30
|
170
|
76
|
108
|
3.6
|
6
|
12
|
122
|
3
|
8
|
26
|
7.43
|
|
80
|
88.9
|
–
|
230
|
32
|
180
|
78
|
120
|
4
|
8
|
12
|
138
|
3
|
8
|
26
|
8.58
|
|
100
|
–
|
108
|
265
|
36
|
210
|
90
|
145
|
5
|
8
|
12
|
162
|
3
|
8
|
30
|
13.02
|
|
114.3
|
–
|
265
|
36
|
210
|
90
|
150
|
5
|
8
|
12
|
162
|
3
|
8
|
30
|
12.79
|
|
|
125
|
–
|
133
|
315
|
40
|
250
|
105
|
180
|
6.3
|
8
|
12
|
188
|
3
|
8
|
33
|
21.29
|
|
139.7
|
–
|
315
|
40
|
250
|
105
|
180
|
6.3
|
8
|
12
|
188
|
3
|
8
|
33
|
20.68
|
|
|
150
|
–
|
159
|
355
|
44
|
290
|
115
|
210
|
7.1
|
10
|
12
|
218
|
3
|
12
|
33
|
28.9
|
|
168.3
|
–
|
355
|
44
|
290
|
115
|
210
|
7.1
|
10
|
12
|
218
|
3
|
12
|
33
|
27.76
|
|
|
175
|
193.7
|
–
|
385
|
48
|
320
|
127
|
245
|
8.8
|
10
|
16
|
260
|
3
|
12
|
33
|
36.94
|
|
200
|
219.1
|
–
|
430
|
52
|
360
|
130
|
278
|
10
|
10
|
16
|
285
|
3
|
12
|
36
|
49.35
|
|
250
|
–
|
267
|
505
|
60
|
430
|
157
|
340
|
12.5
|
12
|
18
|
345
|
3
|
12
|
39
|
81.71
|
|
273
|
–
|
505
|
60
|
430
|
157
|
340
|
12.5
|
12
|
18
|
345
|
3
|
12
|
39
|
80.09
|
|
|
300
|
323.9
|
–
|
585
|
68
|
500
|
170
|
400
|
14.2
|
12
|
18
|
410
|
4
|
16
|
42
|
116.25
|
|
350
|
355.6
|
–
|
655
|
74
|
560
|
189
|
460
|
16
|
12
|
20
|
465
|
4
|
16
|
48
|
166.09
|
|
–
|
368
|
655
|
74
|
560
|
189
|
460
|
16
|
12
|
20
|
465
|
4
|
1
|
|||
DIN 2637 PN100 Welding Neck Flange Industries and Applications
▲Pumps, Valves, and vessels in manufacturing and food processing.
▲Pipe connections in industrial waterworks.
▲Heat exchangers and heating systems of all sizes.
▲Mining support.
▲Nuclear power systems.
▲Plumbing and mechanical systems.
▲Assemblies in the oil, gas, and petrochemical industries.
▲Fire protection systems
DIN 2636 PN64 Welding Neck Flange Dimensions
DIN 2635 PN40 Welding Neck Flange Dimensions
DIN 2634 PN25 Welding Neck Flange
