Mixed earth mixing mechanical plunger pump, A4VTG45 series axial variable plunger pump
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Hanjiu Technology provide Piston hydraulic pumps for construction equipments.
LMA4VTG replace Rexroth A4VTG
Sunny A4VTG80 Rexroth Hydraulic piston Pump
A4VTG80 close circuit variable displacement piston pumps
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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.
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Table of values
Size | 71 | 90 | |||
Displacement geometric, per revolution |
 | Vg max | cm³ | 71 | 90 |
Nominal pressure | Â | pnom | bar | 400 | 400 |
Maximum pressure | Â | 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.) | Â | m | kg | 51 | 53 |
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Size | 71 | 90 | |||
Displacement geometric, per revolution |
 | Vg max | cm³ | 71 | 90 |
Nominal pressure | Â | pnom | bar | 400 | 400 |
Maximum pressure | Â | 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.) | Â | m | kg | 51 | 53 Â |
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Features:
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- 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
HANJIU has been engaged in the hydraulic business since the beginning of the 20th century. It has a history of nearly 20 years and has always been upholding the principles of 'quality first', "credit first" and "zero complaint", and has become a new leader in the hydraulics industry. Hanjiu insists on good products, good service, and has been providing customers with better, more comprehensive hydraulic products, and constantly working hard.
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At the beginning of the establishment of the factory, the industrial business started from the early OEM, and in the mid-term, the OEM and ODM as the main axis of industrial upgrading, recently began to develop its own brand 'HANJIU'.
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Now our we have 4 main business:
1, hydraulic motor and hydraulic steering unit
2, hydraulic piston pump
3, hydraulic gear pump
4, monoblock directional control valve
Hanjiu: Hydraulic gear pump for any hydraulic system, our company uses high-end machine tools, excellence, the most humane service, manufacture and service the world, with good products and services to serve the world, welcome advice.
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Printing, Dyeing And Finishing Machinery
AIR JET LOOM Co., Ltd. , http://www.nsjetloom.com