H71H-16C对夹升降式止回阀
价格:电议
地区:上海市
电 话:021-51870589
手 机:13061905866
传 真:021-67183537
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型号 | 公称压力PN(MPa) | 试验压力PS(MPa) | 工作温度(℃) | 适用介质 | |
壳体 | 密封 | ||||
H71W-16T | 1.6 | 2.4 | 1.76 | ≤200 | 水、蒸体、油品等 |
H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235 | |
H71W-25H | ≤300 | ||||
H71W-25P | ≤200 | 硝酸等腐蚀性介质 | |||
H71W-40H | 4.0 | 6.0 | 4.4 | ≤300 | 水、蒸体、油品等 |
H71W-40P | ≤200 | 硝酸等腐蚀性介质 |
规格型号 | 阀体 | 阀瓣 | 弹簧 |
H71H-16Q、H71H-25Q | QT400-15 | 25 | 50CrCA |
H71W-25H、H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti |
H71W-16P、H71W-25P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
公称通径 | 阀门全开启时的流体阻力系数 | 常温下阀门全开启时的水讲E量系数 | 流体的流向 | |||||
DN | NPS | Kvm3=/h | CVU.S | CVU.K | ↑ | ↓ | → | |
开启压力近似值KPa | ||||||||
15 | 1/2 | 6.4 | 2.6 | 3.0 | 2.5 | 3 | 2 | 2.5 |
20 | 3/4 | 5.1 | 6.4 | 7.5 | 6.3 | 3 | 2 | 2.5 |
25 | 4 | 4.1 | 12.6 | 14.8 | 12.3 | 3 | 2 | 2.5 |
32 | 11/4 | 4.1 | 19.7 | 23.1 | 19.3 | 3 | 2 | 2.5 |
40 | 11/2 | 3.8 | 29.5 | 63.9 | 28.9 | 3 | 2 | 2.5 |
50 | 2 | 3.5 | 54.6 | 99.9 | 63.5 | 3 | 2 | 2.5 |
65 | 21/2 | 3.5 | 85.4 | 150 | 83.7 | 3 | 2 | 2.5 |
80 | 3 | 3.2 | 128 | 286 | 125 | 3 | 2 | 2.5 |
100 | 4 | 2.8 | 244 | 286 | 249 | 3 | 2 | 2.5 |
125 | 5 | 2.9 | 375 | 439 | 368 | 3 | 1 | 2.2 |
150 | 6 | 3.1 | 522 | 611 | 512 | 3 | 1 | 2.2 |
200 | 8 | 3.2 | 915 | 1070 | 897 | 3 | 1 | 2.2 |
公称通径DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
结构长度 | 长系列 | 25 | 31.5 | 35.5 | 40 | 45 | 56 | 63 | 71 | 80 | 110 | 125 | 160 |
短系列 | 16 | 19 | 22 | 28 | 31.5 | 40 | 46 | 50 | 60 | 90 | 105 | 140 |