通用阀门 铁制截止阀与升降式止回阀、结构长度
| 
 公称尺寸 DN  | 
结构长度 | 偏差 | |
| 短系列 | 长系列 | ||
| 
 15 20  | 
 65 75  | 
 90 100  | 
 +1.0 -1.5  | 
| 
 25 32 40 50  | 
 90 105 120 140  | 
 120 140 170 200  | 
 +1.0 -2.0  | 
| 65 | 165 | 260 | 
 +1.5 -2.0  | 
This region has not yet joined our new website. You will now continue to the existing site for 明博在线官网-明博(中国)