Harben Century high pressure diaphragm pumps are capable of pressures up to 700 bar and flows to 155 lpm. They are available with 4 or 8 cylinders requiring from 30 to 150hp depending upon the pressure and flow configuration chosen. Drive power can be diesel or electric and we have a range of gearbox ratios to suit all requirements. They have a unique mode of operation that keeps all the moving parts inside the pump separated from the pumped fluid. The video below clearly shows the simplicity of operation which delivers some significant advantages over more traditional direct acting pumps.