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对夹升降式黄铜止回阀主要技术参数:
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 |
对夹式止回阀规格型号 |
阀体 |
阀瓣 |
弹簧 |
H71W-25H,H71W-40H |
2Cr13 |
1Cr13 |
1Cr18 Ni9Ti |
H71W-16P,H71W-25P |
ZG1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
对夹式止回阀规格型号 | 阀体 | 阀瓣 | 弹簧 |
H71W-25H,H71W-40H | 2Cr13 | 1Cr13 | 1Cr18 Ni9Ti |
H71W-16P,H71W-25P | ZG1Cr18 Ni9Ti | 1Cr18 Ni9Ti | 1Cr18 Ni9Ti |
对夹升降式黄铜止回阀规格尺寸表:
公称压力 |
公称通径 |
尺寸(mm) | |||||
L |
D1 |
D2 |
D3 |
D4 |
D5 | ||
PN1.0MPa |
15 |
16 |
52 |
15 |
24 |
31 |
40 |
20 |
19 |
62 |
19 |
30 |
40 |
50 | |
25 |
22 |
72 |
24 |
35 |
47 |
58 | |
32 |
28 |
83 |
31 |
46 |
56 |
68 | |
40 |
31.5 |
93 |
39 |
55 |
66 |
78 | |
50 |
40 |
108 |
48 |
65 |
78 |
90 | |
65 |
46 |
128 |
62 |
80 |
95 |
110 | |
80 |
50 |
142 |
76 |
96 |
110 |
128 |
H71W
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