... patent. 2,ISO9001:2008 standard. Constant Head/ Check valve For Diesel Pump 1,IntroductionIt is a new authorized water power ... pump sets system etc. it’s a ideal valve for keeping pipeline safety and running high efficiency2,Application of ... generator synchronizer, genset controller, power factor regulator, fuel solenoid, charger for engine start battery, actuator, speed controller, load sharing panel ...