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The A10VSO71 is an axial piston variable displacement pump manufactured by Rexroth. It operates via a swashplate design, allowing adjustable flow rates by changing the swashplate angle. This pump is widely used in high-pressure hydraulic systems for industrial machinery, construction equipment, and marine applications due to its efficiency, compact structure, and pressure adaptability.
2. What are the key technical specifications?
Displacement (Vg max): 71 cm³/rev
Nominal Pressure (p nom): 280 bar
Maximum Pressure (p max): 350 bar
Speed Range: Up to 2,200 rpm (at Vg max)
Flow Rate (at nominal speed): 156 L/min
Weight: ~33 kg (standard model)
Control Options: Pressure cutoff (DR type), load sensing, or proportional control variants.
3. How does the "pressure cutoff" function work?
The A10VSO71DR variant features a pressure cutoff (DR control) mechanism. When system pressure reaches the preset cutoff value, the pump reduces its displacement to maintain constant pressure, minimizing energy consumption. Contrary to some misconceptions, the swashplate does not always return to the minimum angle; it adjusts dynamically based on flow demand while sustaining pressure.
4. What are common applications?
This pump is ideal for:
Hydraulic presses and injection molding machines
Construction machinery (e.g., excavators, cranes)
Marine and offshore systems
Industrial hydraulic power units
5. How to troubleshoot performance issues?
Low Flow/Output: Check for clogged filters, worn seals, or incorrect control settings
Overheating: Verify fluid viscosity, cooling system, or excessive pressure settings
Noise/Vibration: Inspect for cavitation, air ingress, or misalignment
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
