JIS 40K Flange
1. Material: steel
2. Specification
DN
ød
øD
øk
n×ød1
b
15
21.7
115
80
4×19
20
20
27.2
120
85
4×19
20
25
34.0
130
95
4×19
22
32
42.7
140
105
4×19
24
40
48.6
160
120
4×23
24
50
60.5
165
130
8×19
26
65
76.3
200
160
8×23
30
80
99.1
210
170
8×23
32
90
101.6
230
185
8×25
34
100
114.3
250
205
8×25
36
125
139.8
300
250
8×27
40
150
165.2
355
295
12×33
44
200
216.3
406
345
12×33
50
250
267.4
475
410
12×33
56
300
318.5
540
470
16×39
60
3. process drawing
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