011-0940-074 - Industrial air operated pump for grease ratio 40:1 Mod. 940 flanged double effect for drums 50 - 60 kg.Suitable for high pressure transfer of high viscosity grease and fluids over short and long distances and for central distribution plants with multiple distribution points. The operating pressure of the pumps may vary between a minimum of 3 bar and a maximum of 8 bar. To optimize the efficiency and the live in time of our air operated pumps Meclube recommend to use filtered and lubricated air.