HdH4（6/8/9）X/HMicro resistance hydraulic slow closing butterfly check valve

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  The product of hdh4 (6 / 8 / 9) x / h micro resistance hydraulic slow closing butterfly check valve produced by our factory can be used in the drainage pipeline of clean water, sewage and sea water, which can not only prevent the backflow fork of medium, but also effectively limit the destructive water hammer and ensure the use safety of the pipeline. It has the characteristics of novel structure, small volume, light weight, small fluid resistance, reliable sealing, smooth opening and closing, wear resistance, long service life, oil pressure, slow closing not affected by medium and good energy saving effect

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