DN |
PN |
D |
K |
S |
d1 |
d2 |
d3 |
法兰孔数 |
50 |
16 |
165 |
125 |
21 |
50 |
66 |
18 |
4 |
65 |
16 |
185 |
145 |
23 |
70 |
86 |
18 |
4 |
80 |
16 |
200 |
160 |
23 |
80 |
96 |
18 |
8 |
100 |
16 |
220 |
180 |
23 |
90 |
116 |
18 |
8 |
125 |
16 |
250 |
210 |
25 |
110 |
141 |
18 |
8 |
150 |
16 |
285 |
240 |
28 |
130 |
165 |
22 |
8 |
200 |
16 |
340 |
295 |
30 |
140 |
208 |
22 |
8 |