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large displacement hydraulic gear pump aluminum CBNZQ for excavator
★ Pump housing is made of high strength aluminum alloy material.
★ The shaft extension type: plain key (P), rectangular spline (H).
★ The joining type of inlet/outlet position is flange (F) or thread (L).
★ The auto-compensation unit of axial clearance ensures the high volume efficiency.
★ Higher working pressure, wider speed range.
★ Keep higher volume efficiency when the speed is 600 rpm/min.

Model Code
Model | Nominal Displacement (mL/r) | Pressure (MPa) | Speed (r/min) | Volume Efficiency (≥%) | ||||||
Rated | Max. | Min. | Rated | Max. | ||||||
CBNZQ-F563-BLH | 63 | 20 | 25 | 600 | 2500 | 3000 | 92 | |||








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