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升降式对夹式止回阀
¥0.00/台
2022-06-09 14:566分享0询价
一、产品概述: |
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本产品由阀体、阀瓣、弹簧等组成,水平或垂直安装于管路系统,防止介质倒流,具有结构短、体积小、质量轻;阀瓣关闭快速,水锤压力小;流道通畅,流体阻力小;动作灵敏,密封性能好。 |
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二、主要技术参数: |
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型号 |
公称通径 |
试验压力 |
工作温度 |
适用温度 |
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壳体 |
密封 |
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H71H-16Q |
1.6 |
2.4 |
1.76 |
≤235℃ |
水、蒸气、油品等 |
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H71H-25Q |
2.5 |
3.75 |
2.75 |
≤235℃ |
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H71W-25H |
≤300℃ |
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H71W-25P |
≤200℃ |
硝酸等腐蚀性介质 |
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H71W-40H |
4 |
6 |
4.4 |
≤300℃ |
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H71W-40P |
≤200℃ |
水、蒸气 |
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三、主要零件材料: |
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型号 |
阀门 |
阀瓣 |
弹簧 |
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H71H-16QH71H-25Q |
QT400-15 |
25 |
50CrVA |
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H71W-25HH71W-40H |
2Cr13 |
1Cr13 |
1Cr18Ni9 |
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H71W-25PH71W-40P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
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四、主要外形尺寸: |
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公称通径 |
L |
D |
公称通径 |
L |
D |
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1.6 |
2.5 |
4 |
1.6 |
2.5 |
4 |
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15 |
22 |
52 |
52 |
52 |
80 |
50 |
142 |
142 |
142 |
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20 |
24 |
62 |
62 |
62 |
100 |
60 |
162 |
168 |
168 |
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25 |
28 |
72 |
72 |
72 |
125 |
90 |
192 |
194 |
194 |
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32 |
28 |
83 |
83 |
83 |
150 |
106 |
218 |
224 |
224 |
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40 |
31.5 |
93 |
93 |
93 |
200 |
140 |
273 |
284 |
291 |
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50 |
40 |
108 |
108 |
108 |
250 |
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65 |
46 |
128 |
128 |
128 |
300 |
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