公称通径DN |
G |
L |
H |
L1 |
15 |
1/2” |
75 |
275 |
157 |
20 |
3/4” |
80 |
280 |
157 |
25 |
1” |
90 |
287 |
157 |
32 |
1 1/4” |
40 |
297 |
208 |
40 |
1 1/2” |
120 |
312 |
208 |
50 |
2” |
140 |
325 |
208 |