Hydraulic diaphragm metering pump is a plunger or piston reciprocating motion through the role of hydraulic oil to the diaphragm, the formation of liquid cylinder diaphragm chamber volume change, and then the work of the medium suction and discharge. Hydraulic diaphragm metering pumps are divided into single

    Mechanical diaphragm metering pump spring return cylinder cam mechanical diaphragm pump. Suitable for conveying flammable, explosive, leakage of corrosive and toxic medium. Pump flow can be in operation in 0 ~ 100% range stepless