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Bertolini hydraulic drive motor kit for diaphragm pump, factory fitted hydraulic drive motor, speed control valve and hoses.
Part No. Description 31.8897.97 PA330-730VS hyd drive bell housing & coupling, 25mm 31.8896.97 POLY2073-2136 hyd drive bell housing & coupling, 25mm 31.8895.97 POLY2180-2300 hyd drive bell housing & coupling, 25mm BG50NC25-FCB Hyd drive motor with a constand speed valve which maintains
the motor speed of 540 rpm. Kit inc hyd motor, C5 valve