adjustable weir Videos

  • Hidrostal PreroClean Self Cleaning Sump Video

    The PREROSTAL Prerotation system is a unique, economical, uncomplicated method of automatically adjusting pumping volume to varying inflow rates using a constant speed motor and pump. It combines the screw centrifugal impeller characteristics of a Hidrostal pump with a specially configured vortex inducing chamber around the suction pipe of the pump. The chamber utilizes gravity to impart a fluid ...


    By Hidrostal Limited

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