资讯动态
陶瓷密封面球阀的最大允许泄漏量_阀门标准
|
公称尺寸DN |
≤100 |
125~150 |
200~250 |
300~350 |
|
泄漏量cm3/min |
0.6 |
0.9 |
1.5 |
2.1 |
济南俊铭精密仪器制造有限公司
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