JIS 30K Flange
1. Material: steel
2. Specification
DN
ød
øD
øk
n×ød1
b
15
21.7
115
80
4×19
18
20
27.2
120
85
4×19
18
25
34.0
130
95
4×19
20
32
42.7
140
105
4×19
22
40
48.6
160
120
4×23
22
50
60.5
165
130
8×19
22
65
76.3
200
160
8×23
26
80
99.1
210
170
8×23
28
90
101.6
230
185
8×25
30
100
114.3
240
195
8×25
32
125
139.8
275
230
8×25
36
150
165.2
325
275
12×27
38
200
216.3
370
320
12×27
42
250
267.4
450
390
12×33
48
300
318.5
515
450
16×33
52
3. Process drawing
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