PG0-Series Gear Pumps ■ Specifications ■ Model Number Designation *1 Consult factory for availability. High strength aluminum extruded body. Hardened and ground integral gear shaft. Special aluminum alloy bush bearing. Axially balanced for high volumetric efficiency in excess of 95%. hydraulic gear pump manufacturers in india hydraulic gear pump manufacturers in ahmedabad hydraulic gear pump price in india dowty hydraulic gear pump hydraulic gear pump pdf parker hydraulic gear pumps parker hydraulic gear pump catalog pdf hydraulic gear pump working