... -1000l/h @ 1Mpa;>>Hydraulic diaphragm metering pump;>>With built-in automatic venting, pressure release and automatic oil feeding valve;>>Enhanced outstanding performance, safety and ... made of PVC, PTFE, 304, 316, 316L, etc.>>Application widely in Petroleum, Natural Gas, Power Plant, Oil Refining, Chemical, Metallurgy, Water ...