N型胶圈机械接口铸铁管的尺寸
公称口径
DN/mm |
各部尺寸/mm |
承口内径
D3 |
承口法
兰盘外径
D1 |
螺孔
中心圆
D2 |
A |
C |
P |
1 |
F |
R |
a |
M |
B |
W |
H |
螺栓孔 |
d |
N/个 |
100 |
138 |
250 |
210 |
19 |
12 |
95 |
10 |
75 |
32 |
10° |
45 |
20 |
3 |
57 |
23 |
4 |
150 |
189 |
300 |
262 |
20 |
12 |
100 |
10 |
75 |
32 |
10° |
45 |
20 |
3 |
57 |
23 |
6 |
200 |
240 |
350 |
312 |
21 |
13 |
100 |
11 |
77 |
33 |
10° |
45 |
20 |
3 |
57 |
23 |
6 |
250 |
293.6 |
408 |
366 |
22 |
15 |
100 |
12 |
82 |
37 |
10° |
45 |
20 |
3 |
57 |
23 |
6 |
300 |
444.8 |
466 |
420 |
23 |
16 |
100 |
13 |
85 |
38 |
10° |
45 |
20 |
3 |
57 |
23 |
8 |
350 |
396 |
516 |
474 |
24 |
17 |
100 |
13 |
87 |
39 |
10° |
45 |
20 |
3 |
57 |
23 |
10 |
400 |
447.6 |
570 |
526 |
25 |
18 |
100 |
14 |
89 |
40 |
10° |
45 |
20 |
3 |
57 |
23 |
10 |
450 |
498.8 |
624 |
586 |
26 |
19 |
100 |
14 |
91 |
41 |
10° |
45 |
20 |
3 |
57 |
23 |
12 |
500 |
552 |
674 |
632 |
27 |
21 |
100 |
15 |
97 |
45 |
10° |
45 |
20 |
3 |
57 |
24 |
14 |
600 |
654.8 |
792 |
740 |
28 |
23 |
110 |
16 |
101 |
47 |
10° |
45 |
20 |
3 |
57 |
24 |
16 | |