Place of Origin:
China
Brand Name:
Huatao Group
Model Number:
HT Piston Pump
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This serise axial piston variable displacement pumps, Series 20, are of swash plate construction with variable flow capability suitable for hydrostatic transmissions with closed circuit. The flow rate is proportional to the pumps driven speed displacement, which, in turn, is determined by the swash plate angle. The latter is infinitely adjustable between zero and maximum displacement. Flow direction is reserved by titling the swash plate to the opposite side of the neutral or zero displacement position.
- Suitable for a variety of applications
- Multiple displacements and options available
- 8 different frame sizes
- Engineered to provide a long service life and reliability
- Fixed displacement motor can be operated in either direction of rotation
- Multiple drive shaft options and control options
- Heavy duty bearings and shafts
- Easily serviceable
- Replacement parts also available
| Size | Dimension | PV serise piston pump | |||||||
| PV20 | PV21 | PV22 | PV23 | PV24 | PV25 | PV26 | PV27 | ||
| Max. displacement | cm3 | 33,3 | 51,6 | 69,8 | 89,0 | 118,7 | 165,8 | 227,3 | 333,7 |
| Max. flow | dm3min-1 | 119,5 | 159,9 | 196,1 | 230,5 | 278,9 | 348,1 | 429,59 | 557,2 |
| 4 | 6 | 4 | 1 | 4 | 8 | 8 | |||
| Charge pump | cm3 | 12,3 | 12,3 | 18,03 | 18,03 | 18,8 | 32,8 | 32,8 | 65,5 |
| Max. pressure | MPa | 35 | |||||||
| Nominal pressure | MPa | 21 | |||||||
| Max. pressure of control | MPa | 3,5 | |||||||
| Charge pressure | MPa | 0,8 - 2,0 | |||||||
| Max. pressure in case | MPa | 0,25 continuous 0,5 intermittent | |||||||
| Maximum speed + | min-1 | 3590 | 3100 | 2810 | 2590 | 2350 | 2100 | 1890 | 1670 |
| Minimum speed | min-1 | 500 | |||||||
| Nominal speed | min-1 | 1500 | |||||||
| Kinematic viscosity range of working fluid - starting - operating - optimum |
1000 12 - 600 25 - 35 |
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| mm2s-1 | |||||||||
| Kind of working fluid | mineral oil | ||||||||
| Operating temperature | oC | - 40 to + 50 | |||||||
| Max. temperature of working fluid in tank | oC | 80 | |||||||
| Purity of working fluid | µm | 10 | |||||||
| Direction of shaft rotation | clockwise or counter clockwise | ||||||||
| Maximum swash plate angle | o | ± 18 o | |||||||
| Weight | kg | 45 | 55 | 63 | 78 | 124 | 164 | 212 | 270 |
For the drum drive in mobile concrete mixers A4VTG071, A4VGT090 series.
-Variable axial piston pump of swash plate design for hydrostatic drives in closed circuit
-The flow is proportional to the drive speed and displacement.
-The flow increases as the angle of the swash plate is adjusted from zero to its maximum value.
-Flow direction changes smoothly when the swash plate is moved through the neutral position.
-Two pressure-relief valves are provided on the high pressure ports to protect the hydrostatic transmission (pump and motor) from overload.
-The high-pressure relief valves also function as boost valves.
-The integrated boost pump acts as a feed pump and control pressure supply.
-The maximum boost pressure is limited by a built-in boost pressure-relief valve.
Variable A6VM motor with axial tapered piston rotary group of bent axial design, for hydrostatic drives in open and closed circuits
- For use in mobile and stationary applications
- The wide control range enables the variable motor to satisfy the requirement for high speed and high torque.
- The displacement can be infinitely changed from Vg max to Vg min = 0.
- The output speed is dependent on the flow of the pump and the displacement of the motor.
- The output torque increases with the pressure differential between the high-pressure and low-pressure side and with increasing displacement.
- Wide control range with hydrostatic transmissions
- Wide selection of control devices
- Cost savings through elimination of gear shifts and possibility of using smaller pumps.
The A2F axial piston unit of bent axis design with fixed displacement, for use as either pump or motor in hydrostatic drives, in open or closed circuit.
If operated as a pump, the flow is proportional to the drive speed and displacement. If operated as a motor, the output speed is proportional to the swept volume and inversely proportional to displacement. The output torque increases with the pressure drop between the high and low pressure sides.
- High performance rotary group with well-proven spherical control area with the advantages, self-centering low peripheral speed, high efficiency.
- For use in mobile and stationary applications areas
- Output flow is proportional to drive speed and displacement
- The drive shaft bearings are designed to give the service life expected in these areas of operation
Q: What can you buy from us?
A: Hydraulic pump, Hydraulic valve, Hydraulic motor, Hydraulic spare part
Q:why should you buy from us not from other suppliers?
A:We have more than 14years experience in hydraulic products. With a complete supply chainsystem and factory and possess professional technical team, manufacturing team.
Q:What is the delivery time of our company?
A:Normally 7days after received payment.lf in stock, we will ship within 48 hours
Q:Can i make my own brand on the products?
A:Yes,All orders can be marked your own brand and code
You are welcome to send your requirements to enquiry@huataogroup.com, team4@huataogroup.com.
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