339359-A1 by Alemite | Grease Pump Injector System Pump with Built-in Return to Reservoir | Ratio: 50:1 | Delivery/Minute: 2.5 Lb. / 1.1 Kg. | Max Pressure: 7500 PSI / 518 bar | Drum Size: 35 Lb.Applications: Alemite Grease Injectors provide precise, automated lubrication with a wide range of lubrication adjustment, providing the ability to add or remove lubrication points without redesigning the system. Applications: Alemite Injector System Pumps are designed to withstand harsh environments, and function with AL 1 Injectors. Features: All steel construction Varity of pump ratio and delivery options Case hardened mechanical directional valves