Double buffer plate check valve
Product introduction
Product standard: Q/TF-B27H.01
Nominal pressure: PN0.25-1.0Mpa
Nominal diameter: DN1000-2000mm
The valve has two kinds of rubber seal and metal seal valve is characterized with the size of two, small and large valve flap valve flap is arranged in center, closed, large valve down quickly, in the small angle close range by the damping cylinder, small valve controlled by another cylinder, fast off after slow closing valve, high speed lags behind. The valve can effectively prevent water pump reverse and excessive water hammer pressure.
Outline and installation dimensions
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