The cooling for FAN Pumps is provided by fresh air forced by high efficiency cooling fans. An accurate study of the aluminium conveyor, the body fins profile and inlet and outlet port make the pump suitable for heavy duty applications. The FAN features the Crash Protection System: sliding flanges protection mechanism that prevents the housing or rotor from breaking in case of blades crash. The pump is easily repairable inexpensively in field. The FAN pump can be equipped with the latest automatic air injection cooling system to enable continuous operation at 91% range of vacuum. STANDARD FEATURES Long Life Blades, Crash Protection System, Automatic Lubrication, External Side Oil Tank, Integrated Air Filter, 4-ways valve, Poppet Check valve Available hoses connections: Ø 76 mm (3”) / Ø 80 mm / Ø 100 mm (4”)