资讯动态
通用阀门 铁制截止阀与升降式止回阀、截止阀的静压寿命次数_阀门标准
通用阀门 铁制截止阀与升降式止回阀、截止阀的静压寿命次数
|
公称尺寸 DN |
静压寿命次数/次 |
| ≤100 | ≥2500 |
| ≥125 | ≥2000 |
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