公称通径DN |
泄 漏 系 数 K |
||
mm |
A级 |
B级 |
C级 |
≤300 |
13.6 |
54.3 |
不作规定 |
350~600 |
9.0 |
36.2 |
|
700~900 |
7.3 |
29.0 |
|
1000~1200 |
7.3 |
29.0 |
|
1300~1500 |
5.4 |
24.4 |
|
1600~1800 |
4.5 |
22.7 |
|
2000~2200 |
3.7 |
20.2 |
|
2400~2600 |
3.1 |
18.1 |
|
2800~3000 |
2.7 |
16.3 |
|
注:C级泄漏率用于不考虑泄漏的工况。 |
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