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H71X对夹升降式止回阀产品概况
公称通径 | 阀门全开启 时的流体阻 力系数ξ | 常温下阀门全开启时的水流量系数 | 流体的流向 | ||||
DN | NPS | Kv(m3/h) | Cv(U.S) | Cv(U.K) | ↑ | → | |
开启压力近似值KPa | |||||||
50 | 2 | 2.6 | 63 | 74 | 62 | 2 | 1 |
65 | 21/2 | 2.4 | 109 | 128 | 107 | 2 | 1 |
80 | 3 | 2.3 | 172 | 201 | 169 | 2 | 1 |
100 | 4 | 2.0 | 289 | 338 | 283 | 2 | 1 |
125 | 5 | 1.8 | 476 | 557 | 466 | 2 | 1 |
150 | 6 | 1.5 | 750 | 878 | 735 | 2 | 1 |
200 | 8 | 1.3 | 1432 | 1675 | 1403 | 2 | 1 |
250 | 10 | 1.2 | 2330 | 2726 | 2283 | 2 | 1 |
300 | 12 | 1.0 | 3676 | 4301 | 3602 | 2 | 1 |
350 | 14 | 0.9 | 5274 | 6171 | 5169 | 2 | 1 |
400 | 16 | 0.8 | 7306 | 8548 | 7160 | 3 | 1 |
450 | 18 | 0.8 | 9246 | 10818 | 9061 | 3 | 1 |
500 | 20 | 0.8 | 11415 | 13356 | 11187 | 3 | 1 |
600 | 24 | 0.7 | 17573 | 20560 | 17222 | 3 | 1 |
700 | 28 | 0.7 | 23919 | 27985 | 23441 | 4 | 1 |
750 | 30 | 0.7 | 27458 | 32126 | 26909 | 4 | 1 |
800 | 32 | 0.7 | 31241 | 36552 | 30616 | 4 | 1 |
900 | 36 | 0.7 | 39539 | 46261 | 38748 | 4 | 1 |
1000 | 40 | 0.7 | 48814 | 57112 | 47838 | 4 | 1 |
1050 | 42 | 0.7 | 53817 | 62966 | 52741 | 4 | 1 |
1200 | 48 | 0.7 | 70292 | 82242 | 68886 | 4 | 1 |