Hydraulic Piston Pump, Model HL-A10VO
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(10-100cm³/rev variable displacement axial piston pump for open circuit)
The HL-A10VO variable displacement pump is designed for machines requiring medium-pressure operation, offering an exceptional power-to-weight ratio and a compact structure that optimizes performance and space utilization.
- Displacement 10-100 cm³/rev
- Nominal pressure 250 bar
- Max. allowable pressure 315 bar
Technical Data (Size 10 - 60)
| Size | ||||||||
| Geometric displacement | Vg max | cm³/rev | 10.5 | 18 | 28 | 45 | 60 | |
| Max. rotation speed | at Vg=Vg max | no max | rpm | 3600 | 3300 | 3000 | 2600 | 2700 |
| at Vg=Vg max | rpm | 4320 | 3960 | 3600 | 3120 | 3140 | ||
| Max. flow | at n=no max | qvo max | L/min | 37 | 59 | 84 | 117 | 162 |
| at n=1500 rpm | L/min | 15 | 27 | 42 | 68 | 90 | ||
| Max. power | at n=no max | Po max | kW | 16 | 25 | 35 | 49 | 65 |
| at n=1500 rpm | kW | 7 | 11 | 18 | 28 | 37 | ||
| Torque | at Δp=280bar | Tmax | Nm | 42 | 71 | 111 | 179 | 238 |
| at Δp=100bar | T | Nm | 17 | 29 | 45 | 72 | 95 | |
| Rotary stiffness of drive shaft | Shaft end S | C | Nm/rad | 9200 | 11000 | 223000 | 37500 | 65500 |
| Shaft end R | C | Nm/rad | - | 14800 | 26300 | 41000 | 69400 | |
| Shaft end U | C | Nm/rad | 6800 | 8000 | 16700 | 30000 | 49200 | |
| Shaft end W | C | Nm/rad | - | - | 19900 | 34400 | 54000 | |
| Shaft end P | C | Nm/rad | 10700 | - | - | - | - | |
| Moment of inertia for rotary group | J | kgm² | 0.0006 | 0.0009 | 0.0017 | 0.003 | 0.0056 | |
| Max. angular acceleration | α | rad/s² | 8000 | 6800 | 5500 | 4000 | 3300 | |
| Case volume | V | L | 0.2 | 0.25 | 0.3 | 0.5 | 0.8 | |
| Weight without through drive (approx.) | m | kg | 8 | 11.5 | 15 | 18 | 22 | |
| Weight with through drive (approx.) | - | 13 | 18 | 24 | 28 | |||
Technical Data (Size 63 - 100)
| Size | |||||||
| Geometric displacement | Vg max | cm³/rev | 63 | 72 | 85 | 100 | |
| Max. rotation speed | at Vg=Vg max | no max | rpm | 2600 | 2600 | 2500 | 2300 |
| at Vg=Vg max | rpm | 3140 | 3140 | 3000 | 2500 | ||
| Max. flow | at n=no max | qvo max | L/min | 163 | 187 | 212 | 230 |
| at n=1500 rpm | L/min | 95 | 108 | 128 | 150 | ||
| Max. power | at n=no max | Po max | kW | 68 | 77 | 89 | 96 |
| at n=1500 rpm | kW | 39 | 45 | 53 | 62 | ||
| Torque | at Δp=280bar | Tmax | Nm | 250 | 286 | 338 | 398 |
| at Δp=100bar | T | Nm | 100 | 114 | 135 | 159 | |
| Rotary stiffness of drive shaft | Shaft end S | C | Nm/rad | 65500 | 65500 | 143000 | 143000 |
| Shaft end R | C | Nm/rad | 69400 | 69400 | 152900 | - | |
| Shaft end U | C | Nm/rad | 49200 | 49200 | 102900 | 102900 | |
| Shaft end W | C | Nm/rad | 54000 | 54000 | 117900 | 117900 | |
| Shaft end P | C | Nm/rad | - | - | - | - | |
| Moment of inertia for rotary group | J | kgm² | 0.0056 | 0.0056 | 0.012 | 0.012 | |
| Max. angular acceleration | α | rad/s² | 3300 | 3300 | 2700 | 2700 | |
| Case volume | V | L | 0.8 | 0.8 | 1 | 1 | |
| Weight without through drive (approx.) | m | kg | 22 | 22 | 36 | 36 | |
| Weight with through drive (approx.) | 28 | 28 | 45 | 45 | |||
| Size | Displacement (cm³/rev) | Max. speed (rpm) | Max. Flow (L/min) | Max. power(kw) Δp=350 bar | ||||
| nonm | nmax | an=nmax | n=1500rpm | n=nmax | n=1500rpm | |||
| 10.5 | 3600 | 4320 | 37 | 15 | 16 | 7 | ||
| 18 | 3300 | 3960 | 59 | 27 | 25 | 11 | ||
| 28 | 3000 | 3600 | 84 | 42 | 35 | 18 | ||
| 45 | 2600 | 3120 | 117 | 68 | 49 | 28 | ||
| 60 | 2700 | 3140 | 162 | 90 | 65 | 37 | ||
| 63 | 2600 | 3140 | 163 | 95 | 68 | 39 | ||
| 72 | 2600 | 3140 | 187 | 108 | 77 | 45 | ||
| 85 | 2500 | 3000 | 212 | 128 | 89 | 53 | ||
| 100 | 2300 | 2500 | 230 | 150 | 96 | 62 | ||
Features
- axial piston variable displacement pump Swashplate design provides smooth and efficient hydrostatic drive in open circuits.
- proportional flow control Flow rate adjusts in direct proportion to drive speed and displacement.
- seamless flow adjustment Stepless displacement variation is achieved by adjusting the swashplate angle.
- robust bearing system Designed for long service life and reliable operation under demanding conditions.
- high transmission speeds Capable of operating at high rotational speeds while maintaining stability.
- optimized power-to-weight ratio Compact size enhances installation flexibility without compromising performance.
- low-noise operation Engineered to minimize sound levels for quieter work environments.
- superior suction performance Ensures efficient fluid intake for continuous operation.
- advanced control options
- oelectro-hydraulic pressure control for precise pressure adjustments.
- opower control to optimize energy consumption.
- oelectro-proportional swashplate angle control for enhanced responsiveness.
- fast response time Delivers quick reaction speeds for improved system efficiency.
Applications
Construction Machinery
Mining and Quarrying Equipment
This axial piston pump provides the efficiency, durability, and control your hydraulic system needs. Let’s find the best solution for your application. Contact us today!

