suction pump 1)Fuel dispenser parts 2)Gear Type Pumping Unit- energy spring of suction 3)free maintenance Fuel dispenser parts Gear Type ... standards of OIML R117 andOIML R118, developed G. P03 Gear Pump Group and was conferred patents for it. Selfcontained assembly incorporating ... no periodic replacement of wearable parts, low noise, and strong suction power, as well as long working life of 10,000 ...