The PG231 elec tric lubrication pump is an aut omatic centralized lubrication pump with excellent performance that can support up to 4 pump elements. It is suitable for progressive centralized lubrication systems and is c ommonly used in c onstruction machinery, bus chassis, and small and medium-sized mechanical equipment. It boasts strong versatility, a compact structure, and excellent workingperformance. Thanks to the pump base made of high-strength engineering plastics, the pump has excellent seismic performance. Besides, it can be equipped with a low-level alarm, a blockage alarm, and a control unit, which greatly expand the industry application scope of the PG231 electric lubrication pump.