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Germany standard flange DIN 2637 welding neck flanges
DataTime:[2014-5-29]
Germany standard flange DIN 2637 welding neck flanges; nominal pressure 100
|
|||||||||||||||||
Pipe
|
Flange
|
Neck
|
Raised Face
|
Drilling
|
Approx.
Weight
(7.85 kg/dm3)
kg
|
||||||||||||
Nominal
Size
|
d1
|
D
|
b
|
k
|
h1
|
d3
|
s
|
r
|
h2
|
d4
|
f
|
Number
of
Holes
|
Bolt
Diameter
|
d2
|
|||
ISO Series
|
DIN Series
|
||||||||||||||||
10
|
14
|
100
|
20
|
70
|
45
|
28
|
1.8
|
4
|
6
|
40
|
2
|
4
|
M12
|
(1/2")
|
14
|
1.09
|
|
17.2
|
32
|
||||||||||||||||
15
|
20
|
105
|
20
|
75
|
45
|
32
|
2
|
4
|
6
|
45
|
2
|
4
|
M12
|
(1/2")
|
14
|
1.19
|
|
21.3
|
34
|
||||||||||||||||
25
|
30
|
140
|
24
|
100
|
58
|
48
|
2.6
|
4
|
8
|
65
|
2
|
4
|
M16
|
(5/8")
|
18
|
2.66
|
|
33.7
|
52
|
||||||||||||||||
32
|
38
|
155
|
24
|
110
|
60
|
58
|
2.6
|
6
|
8
|
75
|
2
|
4
|
M20
|
(3/4")
|
23
|
3.2
|
|
42.4
|
62
|
||||||||||||||||
40
|
44.5
|
170
|
26
|
125
|
62
|
65
|
2.9
|
6
|
10
|
85
|
3
|
4
|
M20
|
(3/4")
|
23
|
4.09
|
|
48.3
|
70
|
||||||||||||||||
50
|
57
|
195
|
28
|
145
|
68
|
86
|
3.2
|
6
|
10
|
95
|
3
|
4
|
M24
|
(7/8")
|
27
|
5.98
|
|
60.3
|
90
|
||||||||||||||||
65
|
76.1
|
76.1
|
220
|
30
|
170
|
76
|
108
|
3.6
|
6
|
12
|
120
|
3
|
8
|
M24
|
(7/8")
|
27
|
7.91
|
80
|
88.9
|
88.9
|
230
|
32
|
180
|
78
|
120
|
4
|
8
|
12
|
130
|
3
|
8
|
M24
|
(7/8")
|
27
|
8.95
|
100
|
108
|
265
|
36
|
210
|
90
|
145
|
5
|
8
|
12
|
160
|
3
|
8
|
M27
|
(1")
|
30
|
13.7
|
|
114.3
|
150
|
||||||||||||||||
125
|
133
|
315
|
40
|
250
|
105
|
180
|
6.3
|
8
|
12
|
185
|
3
|
8
|
M30
|
(1 1/8")
|
33
|
22.7
|
|
139.7
|
|||||||||||||||||
150
|
159
|
355
|
44
|
290
|
115
|
210
|
7.1
|
10
|
12
|
215
|
3
|
12
|
M30
|
(1 1/8")
|
33
|
30.2
|
|
168.3
|
168.3
|
||||||||||||||||
-175
|
191
|
385
|
48
|
320
|
127
|
245
|
8.8
|
10
|
16
|
245
|
3
|
12
|
M30
|
(1 1/8")
|
33
|
38.9
|
|
193.7
|
|||||||||||||||||
200
|
216
|
430
|
52
|
360
|
130
|
278
|
10
|
10
|
16
|
270
|
3
|
12
|
M33
|
(1 1/4")
|
36
|
52.8
|
|
219.1
|
|||||||||||||||||
250
|
267
|
505
|
60
|
430
|
157
|
340
|
12.5
|
12
|
18
|
325
|
3
|
12
|
M36
|
(1 3/8")
|
39
|
81.4
|
|
273
|
|||||||||||||||||
300
|
318
|
585
|
68
|
500
|
170
|
400
|
14.2
|
12
|
18
|
375
|
4
|
16
|
M39
|
(1 1/2")
|
42
|
122
|
|
323.9
|
|||||||||||||||||
350
|
368
|
655
|
74
|
560
|
189
|
460
|
16
|
12
|
20
|
435
|
4
|
16
|
M45
|
(1 3/4")
|
48
|
165
|
|
Tel No：+86-18267732328 / Email:[email protected]
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