VQ25-60-F-RAB-01 High Pressure Variable Vane Pump 60 cm³ 21 MPa

Product Overview:

The VQ25-60-F-RAB-01, VQ25-60-F-RRA-01, VQ25-60-F-RLA-01 and VQ / HVQ / DVQ series are high-pressure variable displacement vane pumps. These units feature pressure-compensated or pilot control for automatic displacement adjustment, delivering high pressure capability, low noise and fast response. Manufactured to exact original geometric tolerances, they offer true drop-in interchangeability—matching mounting flanges, shaft ends and port centers precisely—so they can replace OEM units without system modifications. Every pump undergoes 100% simulated duty-cycle testing to verify volumetric efficiency, pressure retention and control accuracy. Hydraulic balancing of the vanes combined with precision-machined cam rings and rotors ensures long service life, making them ideal for mobile equipment, construction machinery and industrial high-pressure systems.

Technical Specifications 

• Model: VQ25-60-F-RAB-01 / VQ25-60-F-RRA-01 / VQ25-60-F-RLA-01 (VQ25 / HVQ / DVQ series)
• Displacement: maximum approx. 60 cm³/r (variable, pressure-compensated control)
• Continuous rated pressure: up to approx. 21 MPa (210 bar, configuration- and fluid-dependent)
• Peak pressure: up to approx. 21–25 MPa (intermittent)
• Speed range: minimum approx. 600 rpm; maximum 2200–2700 rpm (size-dependent)
• Control type: variable (pressure compensator / load-sensing optional; RAB / RRA / RLA control codes)
• Rotation: R = clockwise; L = counterclockwise (viewed from shaft end)
• Mounting: flange (F code)
• Ports: SAE or standard flange
• Approximate weight: 15–25 kg (configuration-dependent)
• Seals: standard Buna-N or optional Viton

Key Technical Advantages:

1. True drop-in interchangeability and precision machining: Exact match to original mounting dimensions, shaft ends and port centers enables direct OEM replacement without system changes, minimizing downtime and modification costs. High-precision cam ring, rotor and vane processing ensures consistent performance.
2. High volumetric efficiency with hydraulic balancing: Pressure-balanced vanes significantly reduce cam-ring wear, delivering high volumetric efficiency and energy-saving variable control.
3. Low-noise and low-pulsation design: Optimized inlet geometry and vane configuration minimize oil turbulence and flow ripple, resulting in quiet operation suitable for mobile and industrial environments.
4. Fast response and long-life bearings: Pressure-compensated control provides rapid response; quality bearings and wear-resistant materials extend service life and simplify field maintenance.

Application Areas:

Hydraulic systems for construction machinery and mobile equipment, injection molding and die-casting machines, machine-tool high-pressure circuits, agricultural machinery, industrial high-pressure power units and any fixed or mobile installation requiring variable displacement control.

Expert Maintenance Tips:

1. Ensure precise shaft alignment during installation (flexible coupling recommended) to avoid additional radial or axial loads that accelerate bearing wear.
2. Fully prime the pump and verify a leak-free, air-free suction line before initial start-up; use clean anti-wear hydraulic oil of high cleanliness class.
3. Maintain suction and return filters regularly to prevent particle ingress that can score vanes and the cam ring; keep operating oil temperature within recommended range.
4. Adjust control valves according to original instructions; for long-term storage, run the pump briefly every 3–6 months to prevent internal corrosion.