sim graco grease pump, 1. air operated grease pump, electric grease pump, AC220,380V, DC24, 12V 2. 50:1, 65:1 ... etc 3. gun sim graco grease pump.air operated grease pump, oil pump* air inlet pressure: 1Mpa* pressure ... , 940mm* 50: 1* Typical Application: high pressure grease dispense* For dispensing grease of all types short and long distance at high pressure* Cast ...