The gear pump structure includes a gearbox made of extruded aluminum alloy and a mounting flange and cover made of cast iron material. Because of this construction, OT gear pumps can be used in heavy working conditions and allow the transmission of high hydraulic power. In addition, they have very good mechanical and volumetric efficiency, low noise levels, and limited weight compared to the power that can be transmitted. Suction and pressure ports can be GAS threat type or flange type. Displacement ranges from 0,73 to 7,6 cc/rev with working pressure up to 260 bar.
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