以色列Dorot58 3*2 29M 58 4*3 29M多若特反冲洗排污阀-隔膜阀
58 3*2 29M 58 4*3 2 面议
北京清华捷源科技开发有限公司
北京清华捷源科技开发有限公司
隔膜阀的关闭与开启是通过来自管路的压力作用于增强橡胶隔膜实现的。
当压力介质进入阀门控制腔，隔膜下压，关闭阀门通道，当控制腔压力排向大气或下游管道，隔膜上升，阀门通道被打开。
阀门没有阀杆、密封垫、定向座等，通道中运动的*部件就是隔膜，所以不存在锈蚀及抱死现象，具有更高的稳定性。
多种结构形式及控制形式，可适用于多种的流体控制需要。
型号 | 44 | 45 | 47 | 53 | 67 | 77 | 82 | 84 | 87 | 91 | 94 | 75 | 95 | 96 |
连接方式 | 螺纹 | 螺纹 | 法兰 | 管卡 | 法兰 | 法兰 | 法兰 | 螺纹 | 法兰 | 螺纹 | 螺纹 | 螺纹 | 螺纹 | 熔焊 |
材质 | 铸铁 | 铜 | 铸铁 | 铸铁 | 球墨铸铁 | 球墨铸铁 | 铸铁 | 铸铁 | 铜 | 铜 | 球墨铸铁 | 工程塑料 | UPVC塑料 | UPVC塑料 |
口径mm |
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20 |
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25 |
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32 |
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40 | ● | ● |
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50 | ● | ● | ● | ● | ● | ● |
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65 | ● | ● |
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80 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
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90 |
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100 |
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110 |
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150 |
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160 |
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200 |
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250 |
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300 |
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350 |
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400 |
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500 |
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600 |
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