... 4.Alarm system DC lubricator includes a motor-driven gear pump of reasonable structure,excellent performance,complete functions,wide applicability,good ... BMTC or HLTC and HLC-R programmed controller on the pump,or control and monitor oil level in reservoir,supply ... 2 DL DC-220*4(20142) 4L SLR plastic automatic central lubrication gear pump(20142) Verified Information This information is Verified by ...