EJM Series injectors are positive displacement injectors (PDI) which injector oil when system is pressurized and filled when system relieves pressure. The product is suitable for PDI lubrication system of working pressure from 1.75 to 2.5Mpa. These injectors can deliver fixed predetermined quantity of lubricant to each lubrication point. Three versions of this injector are available with 1, 3 and 5 outlets respectively. Discharge of each outlet can be freely selected within specified range. Unused outlet can be blocked with special plug. This product is widely used in lubrication system for printing, packing and machine tools etc.