HH44X micro-resistance slow closing check valve is composed of valve body, valve cover, valve flap, valve shaft and regulating valve. It has the advantages of light valve flap, large opening degree, remarkable energy-saving effect, small fluid resistance and water hammer elimination mechanism Design novel, stable and reliable sealing performance, wear resistance, long life, smooth operation, no vibration, no noise and so on. Installed at the outlet of the pump is used to prevent media countercurrent and destructive water hammer, and can effectively reduce the pressure of water hammer to close the valve to ensure the safe operation of the pipe network.
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