Pump is a device by using pressure to increase the movement of liquid, air or gases. Each pump have their own minimum and maxmimun pressure bar and volumn. Common pump using in palm oil mill industry are self priming pump, chemical process pump, dosing pump and centrifugal pump. While other range of water pump use are submersible pump, high pressure pump, chemical metering pump, diesel pump, magnetic pump, electric pump, swimming pool pump etc.