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DIN 2627 PN 400 (in mm)
Nominal Pipe Size
Diameter at weld Bevel
Flange Dia
Thk of Flange
Dia of Bolt Circle
Length Through Hub
Dia of Hub
Wall Thk
Radius of Hub
Straight Portion
Dia of R/F
Thk of R/F
No. of
Dia of Bolt Holes
DN
D1
D
B
K
H1
D3
S
R
H2
D4
F
holes
D2
KG
10
17.20
125
28
85
65
48
3.60
4
8
40
2
18
2.50
15
26.90
145
30
100
68
56
5.00
45
22
3.57
25
42.40
180
38
130
90
82
7.10
26
7.35
60.30
220
165
110
106
10.00
6
12
88
3
13.93
50
76.10
235
52
120
12.50
102
16.50
101.60
290
64
225
135
158
16.00
122
33
31.33
80
114.30
305
240
150
174
17.50
20
138
37.99
139.70
370
295
175
215
22.20
162
39
66.77
193.70
415
92
340
200
258
30.00
188
94.73
219.10
475
105
390
302
35.00
35
218
42
144.85
273.00
585
490
280
388
40.00
285
16
269.50