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温州承高阀门
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发表于:2017-06-02 14:42 |
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1# |
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H71W/Y不锈钢对夹升降式止回阀
◆ 主要技术参数：
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型号
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公称压力PN(MPa)
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试验压力PS(MPa)
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工作温度(℃)
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适用介质
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壳体
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密封
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H71W-16P
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1.6
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2.4
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1.76
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≤200
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水、蒸体、油品等
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H71H-25Q
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2.5
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3.75
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2.75
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≤235
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H71W-25H
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≤300
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H71W-25P
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≤200
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硝酸等腐蚀性介质
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H71W-40H
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4.0
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6.0
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4.4
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≤300
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水、蒸体、油品等
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H71W-40P
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≤200
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硝酸等腐蚀性介质
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规格型号
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阀体
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阀瓣
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弹簧
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RH71W-25H、RH71W-40H
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2Cr13
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1Cr13
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1Cr18 Ni9Ti
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RH71W-16P、RH71W-25P
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ZG1Cr18 Ni9Ti
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1Cr18 Ni9Ti
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1Cr18 Ni9Ti
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公称压力
MPa
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公称通径
DN
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尺寸（mm）
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L
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D1
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D2
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D3
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D4
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D5
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PN1.0MPa
PN1.6MPa
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15
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16
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52
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15
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24
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31
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40
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20
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19
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62
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19
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30
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40
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50
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25
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22
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72
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24
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35
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47
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58
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32
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28
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83
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31
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46
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56
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68
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40
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31.5
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93
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39
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55
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66
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78
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50
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40
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108
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48
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65
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78
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90
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65
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46
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128
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62
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80
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95
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110
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80
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50
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142
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76
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96
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110
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128
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100
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60
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162
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95
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115
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132
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150
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125
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90
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192
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110
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125
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135
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-
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