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陶瓷密封面止回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

400~450

500

泄漏量cm3/min

2.4

4.5

7.2

10.7

14.9

21

文章来源:中国泵阀网

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