LPV Series Sugarcane Harvester Axial Piston Pump Has Complete Functions And Is Easy To Operate
Product Summary
Highland LPV30 variable displacement pumps axial piston for road roller machine Highland LPV30 variable displacement pumps basic information: Highland hydraulic pump offers variable displacement medium pressure axial piston pumps for closed circuit mobile applications. Compact, quiet and efficient, ...
Product Custom Attributes
LPV30 Variable Displacement Pumps
,Variable Displacement Pumps Axial Piston
,Road Roller Machine Pumps Axial Piston
Basic Properties
Trading Properties
Product Description
Highland LPV30 variable displacement pumps axial piston for road roller machine
Highland LPV30 variable displacement pumps basic information:
Highland hydraulic pump offers variable displacement medium pressure axial piston pumps for closed circuit mobile applications. Compact, quiet and efficient, piston pumps deliver a operating pressure of up to 42Mpa.
Highland LPV30 variable displacement pumps axial piston main features:
1. Variable displacement pumps axial piston.
2. Axial piston pumps have swash plate structure.
3. Be suitable for hydrostatic transmissions with closed-loop circuit.
4. Manual servo and hydraulic variable control.
5. Variable displacement pumps axial piston with charging oil pump.
Highland Variable displacement axial piston pump technical specification:
| LPV hydraulic pump and LMF hydraulic motor series | 30 | 50 | 70 | 90 | 110 | 130 | ||
| Displacement | Max displacement | ml/r | 30 | 50 | 70 | 90 | 110 | 130 |
| Speed | Max continuous working speed (Full load condition) |
r/min | 3500 | 3500 | 3200 | 3200 | 2900 | 2900 |
| Rated speed | r/min | 2500 | ||||||
| Min continuous working speed | r/min | 500 | ||||||
| Pressure | Rated working pressure | Mpa | 35 | |||||
| Max working pressure (transient) | Mpa | 42 | ||||||
| Continuous working pressure | Mpa | 30 | ||||||
| Allowable shell pressure (Absolute) | Mpa | Constant0.25, Peak value0.5 | ||||||
| Torque | Continuous output torque (Under continuous working pressure) |
Nm | 162.3 | 252.3 | 342.6 | 432.9 | 535.3 | 632.4 |
| Max output torque | Nm | 227 | 353 | 480 | 606 | 749 | 885 | |
| Power | Continuous output power | KW | 45 | 79 | 107 | 139 | 149 | 176 |
| Max power | KW | 62 | 95 | 114 | 150 | 173 | 205 | |
| Temperature | Allowable shell temperature | ℃ | 80 | |||||
| Max working temperature of oil tank | ℃ | 70 | ||||||
| Weight | LPV series hydraulic pump hydraulic oil emptying |
kg | 45 | 46 | 63 | 64 | 82 | 88 |
| LPV series hydraulic motor hydraulic oil emptying |
kg | 30 | 30 | 36 | 36 | 36 | 38 | |
Highland Piston pump is the type of positive displacement pump and its developed pressure with reciprocating piston.
Advantages:
1. Can generate high pressure.
2. Adjustable pressure controlling system.
3. Design and construction is easy.
4. Cheap price.
5. Simple operation.
6. Bi-rotational operation.
Factory Production & Inspection Evidence
The LPV30-MA-R-21 closed axial piston pump is produced by Shandong Highland Hydraulic Seiko Co., Ltd. under documented factory production records. The supplied project record lists a production quantity of 20 units, and the factory test report identifies the tested unit by Component No. 02603270203001.
- LPV – LPV series closed axial piston pump
- 30 – 30 mL/r displacement
- MA – manual servo control
- R – clockwise rotation
- 21 – 21-tooth input shaft (16/32 pitch)
Evidence type: factory production / product identification.
Factory Performance Testing
Factory performance testing of the LPV30-MA-R-21 is recorded on a closed-loop hydraulic pump test bench. The test documentation records Component No. 02603270203001, a test on 2026/3/27 at 10:11, a test temperature of 36.2 °C and a power recovery ratio of 20%. Rated displacement is 30 mL/rev and rated pressure is 35 MPa; the test-bench main parameters are a maximum speed of 3800 r/min and a maximum pressure of 42 MPa.
Recorded Test Data
The closed-loop report logs speed, pressure, flow, displacement, torque, input power, output power, overall efficiency, volumetric efficiency and charge pressure for the LPV30-MA-R-21. Selected factory-recorded test points are provided for reference.
| Speed (r/min) | Pressure (MPa) | Flow (L/min) | Displacement (mL/rev) | Torque (N·m) | Input Power (kW) | Output Power (kW) | Overall Efficiency (%) | Volumetric Efficiency (%) |
|---|---|---|---|---|---|---|---|---|
| 1322 | 4.3 | 45.5 | 34.4 | 25 | 3.5 | 3.3 | 94.2 | 100 |
| 1321 | 18.1 | 43.8 | 34.4 | 106 | 14.7 | 13.2 | 90.1 | 96.3 |
| 1319 | 29.3 | 42.4 | 34.4 | 168 | 23.2 | 20.7 | 89.2 | 93.4 |
| 1344 | 4.2 | 46.1 | 34.3 | 24 | 3.4 | 3.2 | 95.5 | 100 |
| 1344 | 17.8 | 44.6 | 34.3 | 103 | 14.5 | 13.2 | 91.3 | 96.7 |
| 1343 | 28.7 | 43.2 | 34.3 | 164 | 23.1 | 20.7 | 89.6 | 93.8 |
Charge pressure: 1.4 MPa; charge flow 10.3 L/min. Values are reproduced from the original test record and should be interpreted according to the test-bench measurement and calculation method.
Engineering Drawing & Dimensions
The supplied LPV30/50-MA-R/L-21/14-NN engineering drawing documents the mounting flange, output shaft spline, hydraulic ports, control interface and rotation direction of the LPV30-MA-R-21. Key interface information includes:
- High pressure ports A and B; leakage ports L1 / L2; oil suction port S
- High pressure relief valves A / B; low pressure relief valve
- Pressure taps Ma / Mb: 9/16-18; servo-cylinder pressure taps (both sides): 9/16-18
- Input shaft spline options: 21 teeth (16/32 pitch), 14 teeth (12/24 pitch), 30° pressure angle
- Input shaft dividing circle diameters: Ø33.34 mm (21T) / Ø29.63 mm (14T)
- Control handle spline: 1/4-20 UNC-2A, 24 teeth, diametrical pitch 64/128, OD 9.5 mm (SAE 1963)
- Mounting: 4 bolts M10, 25 mm depth; ports L1 / L2 1 1/16-12; port S 1 5/16-12; centre thread M10; relief valve options 32 / 35 / 40 MPa; charge/suction pressure 1.8–2.4 MPa
- Rotation direction R (clockwise) / L (anticlockwise)
Drawing technical requirement: minimum speed 500 r/min, maximum speed 3500 r/min, rated working pressure 30 MPa. Interface dimensions should be confirmed against the engineering drawing before installation.
Quality Control & Final Inspection
Quality control of the LPV30-MA-R-21 rests on product identification, factory test documentation and engineering specifications. The test report documents the pump's displacement, pressure, speed, flow and output power recorded during closed-loop testing.
- Product model identification
- Hydraulic pump performance testing
- Pressure and speed verification
- Flow and displacement recording
- Torque and power measurement
- Overall and volumetric efficiency recording
- Engineering interface verification
Dimensional inspection · surface and finish inspection · assembly inspection · leakage inspection · rotation (R / L) inspection · port and interface inspection · final inspection before packing.
Project Reference
The model is documented in the project record for a customer in Saudi Arabia. The record lists Shandong Highland Hydraulic Seiko Co., Ltd. as manufacturer, a quantity of 20 units and a concrete mixer truck application.
- Project: Variable Piston Pump for Saudi Arabia
- Model: LPV30-MA-R-21
- Quantity: 20 units
- Application: Concrete mixer trucks
- Client: Saudi Arabia
- Manufacturer: Shandong Highland Hydraulic Seiko Co., Ltd.
- Drive configuration: Closed circuit hydraulic system
Technical Documents
Technical documents available for the LPV30-MA-R-21 include:
| Document | Availability |
|---|---|
| Technical Data Sheet | Available |
| Factory Test Report | Available |
| Engineering Drawing | Available |
| Model Selection Table | Available |
These documents provide data on displacement, speed, pressure, torque, power, temperature and weight, and confirm the LPV30 as a closed axial piston pump. The referenced documents are kept on file with the unit's component number.
Highland Variable displacement pumps of FAQ:
Q1: Could I have a sample order?
A: Yes, we welcome sample order to test and check quality.
Q2: How do you ship the goods and how long does it take to arrive?
A: Ship by air express, it takes 3-5 days to arrive. Airline and sea shipping also optional.
Q3: Do you offer guarantee for the products?
A: Each motor or pump should be tested before shipping, test report can be sent if requested.
Warranty 12 months after shipment for complete assembly.
Q4: What are the payment terms?
A: Full order: 30% as deposit, balance before shipment.
Small order/sample order: Full advance payment.
Q5: Are you manufacturer?
We are a manufacturer with own plant manufacturing hydraulic motor pump system. 20 years experience in hydraulic industry for oversea and domestic markets.
Tags: axial piston pumps, LPV30 axial piston pumps, variable displacement pumps
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