产品详情
H71W-25P不锈钢对夹升降式止回阀主要技术参数
型号 | 公称压力 | 试验压力 | 工作温度 | 适用温度 | |
壳体 | 密封 | ||||
H71H-16Q | 1.6 | 2.4 | 1.76 | ≤235℃ | 水、蒸气、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℃ | |
H71W-40P | ≤200℃ | 水、蒸气 | |||
H71W-25P不锈钢对夹升降式止回阀主要零件材料
型号 | 阀门 | 阀瓣 | 弹簧 |
H71H-16Q H71H-25Q | QT400-15 | 25 | 50CrVA |
H71W-25H H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9 |
H71W-25P H71W-40P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
H71W-25P不锈钢对夹升降式止回阀主要外形尺寸
公称通径 | L | D | 公称通径 | L | D | ||||
1.6 | 2.5 | 4.0 | 1.6 | 2.5 | 4.0 | ||||
15 | 25 | 48 | 48 | 48 | 80 | 71 | 140 | 140 | 140 |
20 | 31.5 | 58 | 58 | 58 | 100 | 80 | 160 | 165 | 165 |
25 | 35.5 | 68 | 68 | 68 | 125 | 110 | 190 | 195 | 195 |
32 | 40 | 80 | 80 | 870 | 150 | 125 | 215 | 225 | 225 |
40 | 45 | 90 | 90 | 90 | 200 | 160 | 270 | 285 | 390 |
50 | 56 | 105 | 105 | 105 | 250 | 200 | 330 | 340 | 350 |
65 | 63 | 125 | 125 | 125 | 300 | 250 | 385 | 400 | 415 |
