... from 0-1000l/h @ 1Mpa;>>Hydraulic diaphragm metering pump;>>With built-in automatic venting, pressure release and automatic oil ... feeding valve;>>Enhanced outstanding performance, safety and non leakage;>>Metering accuracy ... etc.>>Application widely in Petroleum, Natural Gas, Power Plant, Oil Refining, Chemical, Metallurgy, Water Treatment, Nuclear, Medicine ...