hydraulic gear pumps cbna 6.3/2.1 8 gpm and directional valves for log splitters firewood cutting machine tools press

the cbn series gear pump consists of a big displacement, low pressure pump and a small displacement, high pressure pump, a check valve as well as a relief valve. when working at the pressure lower than the relief pressure, both big and small pump supply volume. when working at a high pressure, only small pump supplies volume, which highly reduces the power consumption. the cbn pump is widely used in log splitter, press, machine tools.