| After-sales Service: | Offering Technical Support |
|---|---|
| Warranty: | 10months |
| Power: | Hydraulic |
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DOOSAN DH70 , DH80-7 Hydraulic Plunger Main Pump F5VP2D28 / F5VP2D36
The inner donkey pump of this pump can oil and control oil source, the inlet/outlet of this pump can connect with two check relief valves which is inside of pump ,and it ensures system never overload , operated directional stably , no concussion , with maximum displacement adjustable system, this pump applied to drive mixing cylinder of concrete transport truck and closed circuit hydraulic system widely.
Features:
- Swashplate design Axial variable plunger pump for hydrostatic transmission in a closed circuit.
- The flow is proportional to the drive speed and displacement.
- As the swash plate angle increases from zero to its maximum value, the flow increases proportionally.
- When the swash plate passes through the neutral position, the hydraulic oil flow direction changes smoothly.
- Two pressure relief valves are fitted to the high pressure port to prevent overloading of the hydrostatic drive (pump and motor).
- The high pressure relief valve can also be used as a charge check valve.
- Built-in charge pump rushes current oil pump and controls variable use.
- Optional with coupling flange for direct cardan shaft drive
- Integrated boost pump for boost and pilot oil supply
- Flow direction changes smoothly when the swashplate is moved through the neutral position
- High-pressure relief valves with integrated boost function
- Boost-pressure relief valve
- Through drive for mounting of secondary pumps
- Swashplate design
| Size | 71 | 90 | |||
| Displacement geometric, per revolution |
Vg max | cm³ | 71 | 90 | |
| Nominal pressure | pnom | bar | 400 | 400 | |
| Maximum pressure | pmax | bar | 450 | 450 | |
| Maximum speed | at Vg max | nnom | rpm | 3300 | 3050 |
| Flow | at Vg max and nnom | qV nom | l/min | 234 | 275 |
| Power | at qV nom and Δpnom | P | kW | 156 | 183 |
| Torque | at Vg max and Δpnom | M | Nm | 452 | 573 |
| Weight (approx.) | m | kg | 51 | 53 | |
| Size | 71 | 90 | |||
| Displacement geometric, per revolution |
Vg max | cm³ | 71 | 90 | |
| Nominal pressure | pnom | bar | 400 | 400 | |
| Maximum pressure | pmax | bar | 450 | 450 | |
| Maximum speed | at Vg max | nnom | rpm | 3300 | 3050 |
| Flow | at Vg max and nnom | qV nom | l/min | 234 | 275 |
| Power | at qV nom and Δpnom | P | kW | 156 | 183 |
| Torque | at Vg max and Δpnom | M | Nm | 452 | 573 |
| Weight (approx.) | m | kg | 51 | 53 |
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