HD-A4VG71 through-axis plunger variable pump is widely used in main equipment in the fields of engineering machinery, agricultural machinery, mining machinery, etc. It is suitable for pump-controlled hydraulic systems such as rotary and walking conditions. This hydraulic pump has stable performance and high reliability, with multiple variable control methods, high control accuracy, and good centering characteristics.
▶A4VG71 hydraulic pump has a high power density ratio;
▶A4VG71 hydraulic pump integrates an auxiliary pump that can simultaneously realize oil replenishment, oil control, flushing and other functions;
▶The electronically controlled return to zero mechanism can be integrated to meet the personalized needs of customers;
▶The integrated high-pressure relief valve realizes the safety protection of the hydraulic system;
▶The integrated filtering device improves the reliability of the product;
▶The multi-stage series connection of the hydraulic pump can be realized according to the system requirements
| Displacement(mL/r) | Main pump | 0-71 |
| Charge pump(P≥2MPa) | 19.6 | |
| Speed(r/min) | Rated speed | 3300 |
| Peak speed | 3600 | |
| Pressure(MPa) | Rated pressure | 40 |
| Peak pressure | 45 |
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