... is a gear arc oil pump. 2) Compact, high-flow, high lift ,low noise and strong self-priming capability. 3) Using soft ... However, their working principles and installation sizes are same.Self Priming Gear Oil Pump for diesel oil, kerosene, gasoline, lubricant liquid transfer. ... 1. Product Introduction: Atlas copco Oil pump for drilling rig can transfer pure and neutral oil (Eg ...