Hypro BMH50 Control Unit/Pressure Regulator DBA160/DBS160.This control unit, for mounting on pump models 9910-DBS110, 9910-DBA110, 9910-DBS140, 9910-DBA140, 9910-DBS160 and 9910-DBA160 is capable of handling flow rates up to 41 GPM (155.2 LPM) and pressures up to 725 PSI (50 bar). It includes a directional control unit with pressure regulating valve, single lever for partial or total closure and discharge and glycerine-bath pressure gauge with colored dial.