PM80 - 50:1 ratio pump system with pneumatic inductor for 185 kg drums. Air operated piston pump specially designed for pumping tail grease in tunnel boring machines. Main features: 8” air motor diameter with 6” stroke. Maximum power for efficient material delivery..No stall, no ice formation, reliable air motor. Long life seals, UHMWPE seals provide long life and trouble free operation Cast Iron pump body. Maximum resistance against high pressure Dynamic primer pump design Divorced pump has a primer rod, provides positive priming of the heaviest pumpable materials. Pump mounted on an air operated power ram. Contributes to keep pump primed, minimizes waste and makes easier replacing empty drum Power Ram includes: Double seal inductor plate, On / Off control of the pump, Up / Down control of the inductor plate, two independent air pressure regulators, one for the pump and the other for the inductor plate air cylinders, pump / Inductor independent air pressure gauges, automatic empty drum shut off, automatic vacuum release when raising the inductor plate PM80 - 50:1 pump system with pneumatic inductor for 185 kg drums.