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Danfoss Series 51 Axial Piston Hydromotors
Well proven, high power regulated displacement hydraulic motors of bent-axis design.
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Description
Well proven product family among the Danfoss high power axial piston motors.
- Designed with high power closed circuit drives in mind (but applicable in open circuit as well)
- For new, OEM projects we recommend it's successor product: Series H1B
Properties:
- Popular pump family used by the most powerful machinery brands
- Capacity: regulated, max. displacements: 60, 80, 110, 160 or 250 cm3
- Control options include 2-position, prop. and self-controlling versions
- Control input signals can be hydraulic or electric
- Speed sensor available
- Different shaft options
- Different hydraulic port options and directions
- Additional options in the Technical Information catalog below
- Good serviceability, with quick delivery of spare parts (in many cases from our stock!)
Application examples:
- Propulsion systems in construction-, agricultural-, forestry and other mobile machinery
- High power shredders, crushers
- High power hydraulic winch drives
- Concrete pumps
- etc.
Danfoss Series 51 Axial Piston Hydromotors Technical Information
| Model of hydromotor | 51#060... | 51#080... | 51#110... | 51#160... | 51#250... |
|---|---|---|---|---|---|
| Mounting flange | SAE / DIN / cartridge | SAE | |||
| Hydraulic size [cm3/rev] |
60.0 | 80.7 | 109.9 | 160.9 | 250.0 |
| Corner Power (theoretical) [kW] |
336 | 403 | 492 | 644 | 850 |
| Rated speed (max. - min. angle) [rpm] |
3600 - 5600 | 3100 - 5000 | 2800 - 4500 | 2500 - 4000 | 2200 - 3400 |
| Max. allowable speed (max. - min. angle) [rpm] |
4400 - 7000 | 4000 - 6250 | 3600 - 5600 | 3200 - 5000 | 2700 - 4250 |
| Max. intermittent pressure [bar] |
480 | 480 | 480 | 480 | 480 |
| Rated pressure [bar] |
510 | 510 | 510 | 510 | 510 |
| Min. pressure in return line [bar] |
10 | 10 | 10 | 10 | 10 |
| Theoretical torque (max. angle) [Nm/bar] |
0.95 - 0.19 | 1.28 - 0.26 | 1.75 - 0.35 | 2.56 - 0.51 | 3.98 - 0.80 |
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Well proven, high power regulated displacement hydraulic motors of bent-axis design.