Coal Mining Industry Hydraulic Pump System LPV90 42Mpa
Product Summary
Highland Coal mining industry hydraulic pump system LPV90 hydraulic pump for sale Highland Hydraulic pump system With a variety of applications, hydraulic pump system is used in all kinds of large and small industrial settings, as well as vehicles, mixer trucks, combine harvesters and mining ...
Product Custom Attributes
Coal Mining Hydraulic Pump System
,Coal Mining Hydraulic Motor Pump System
,42Mpa Hydraulic Pump System
Basic Properties
Trading Properties
Product Description
Highland Coal mining industry hydraulic pump system LPV90 hydraulic pump for sale
Highland Hydraulic pump system
With a variety of applications, hydraulic pump system is used in all kinds of large and small industrial settings, as well as vehicles, mixer trucks, combine harvesters and mining industries. Agricultural equipments are leading users of hydraulic pump system. Our company produce and design hydraulic system according to customers’ request.
Highland Hydraulic pump system LPV90 hydraulic pump features:
Hydraulic pump system is well engineered and easy to handle.
Variable Axial Piston Pumps of hydraulic system are all tapered roller bearing, which can load heavy external axial forces.
When Hydraulic pumps of hydraulic system operated mechanically, the servo displacement can control and keep the angle of swash plate and pump displacement.
| 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 | |
Hydraulic system advantage:
High pressure resistance, high efficiency, large transmission power, wide speed range, long life, but piston pumps have strict requirements on the cleanliness of the working medium.
LPV90 Hydraulic pump system Usage:
Hydraulic pump system is mainly used in construction machinery, agricultural machinery equipment, coal mining industry, oil exploration, aerospace industry and shipbuilding industry.
a. Hydraulic pump system is widely used in high-pressure, high-flow, high-power systems and occasions where the flow needs to be adjusted, such as agricultural machinery, construction machinery, mining and metallurgical machinery, and ships. It can play an important role.
b. Hydraulic pump system is used in petroleum exploration and development, petrochemical, pharmaceutical, atomic energy science, environmental science, process equipment, experimental equipment, etc.
Factory Production & Inspection Evidence
The LPV90-MA-R-23 pump is manufactured and identified under factory production documentation issued by Shandong Highland Hydraulic Seiko Co., Ltd. The supplied project record lists a production quantity of 100 units, and the factory test report identifies the tested unit by Component No. 02604200203002.
- LPV – LPV series closed axial piston pump
- 90 – 90 mL/r displacement
- MA – manual servo control
- R – clockwise rotation
- 23 – 23-tooth input shaft (16/32 pitch)
Evidence type: factory production / product identification.
Factory Performance Testing
The LPV90-MA-R-23 pump undergoes closed-loop bench testing as part of factory performance verification. The test documentation records Component No. 02604200203002, a test on 2026/4/20 at 9:12, a test temperature of 22.7 °C and a power recovery ratio of 50%. Rated displacement is 90.5 mL/rev and rated pressure is 35 MPa; the test-bench main parameters are a maximum speed of 3200 r/min and a maximum pressure of 42 MPa.
Recorded Test Data
For the LPV90-MA-R-23, the closed-loop report logs speed, pressure, flow, displacement, torque, input power, output power, overall efficiency, volumetric efficiency and charge pressure. Selected recorded points are shown 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1247 | 4.8 | 112.2 | 90 | 89 | 11.6 | 9 | 77.2 | 100 |
| 1245 | 17.7 | 108.9 | 90 | 275 | 35.9 | 32.1 | 89.6 | 97.2 |
| 1243 | 30.7 | 105.2 | 90 | 469 | 61.1 | 53.8 | 88.2 | 94.1 |
| 1240 | 4.8 | 111.9 | 90.2 | 84 | 10.9 | 9 | 82.1 | 100 |
| 1239 | 18.6 | 108 | 90.2 | 286 | 37.1 | 33.5 | 90.2 | 96.6 |
| 1237 | 30.4 | 104.3 | 90.2 | 464 | 60.1 | 52.8 | 87.9 | 93.4 |
Charge pressure: 1.7 MPa; charge flow 22.4 L/min. Figures are reproduced from the original test record; interpretation should follow the test-bench measurement and calculation method.
Engineering Drawing & Dimensions
The LPV70/90-MA-R/L-21/23/14-NN engineering drawing provides the mounting flange, output shaft spline, hydraulic port, control interface and rotation-direction data for the LPV90-MA-R-23. 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), 23 teeth (16/32 pitch), 14 teeth (12/24 pitch), 30° pressure angle
- Input shaft dividing circle diameters: Ø33.34 mm (21T) / Ø36.5 mm (23T) / 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 M12, 25 mm depth; ports L1 / L2 1 1/16-12; port S 1 5/16-12; 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 3000 r/min, rated working pressure 30 MPa. Interface dimensions should be confirmed against the engineering drawing before installation.
Quality Control & Final Inspection
Quality control documentation for the LPV90-MA-R-23 is based on product identification, factory test records 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
A project record documents the model for a customer located in Belarus. The record lists Shandong Highland Hydraulic Seiko Co., Ltd. as manufacturer, a quantity of 100 units and a rye harvester application.
- Project: Variable Piston Pump for Belarus
- Model: LPV90-MA-R-23
- Quantity: 100 units
- Application: Rye harvester
- Client: Belarus
- Manufacturer: Shandong Highland Hydraulic Seiko Co., Ltd.
- Drive configuration: Closed circuit hydraulic system
Technical Documents
Technical documents available for the LPV90-MA-R-23 include:
| Document | Availability |
|---|---|
| Technical Data Sheet | Available |
| Factory Test Report | Available |
| Engineering Drawing | Available |
| Model Selection Table | Available |
The documents provide displacement, speed, pressure, torque, power, temperature and weight data, confirming the LPV90 as a closed axial piston pump. Corresponding records remain on file against the unit's component number.
Hydraulic pump system 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 set of hydraulic pump system 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.
Contact Our Experts And Get A Free Consultation!
Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.
