LPV30 Series Cast Iron Housing Hydraulic Motor Pump System

Product Description

LPV30 Series Cast Iron Housing Hydraulic Motor Pump System

· cast iron housing

· hydraulic components

· Power components of hydraulic systems

· higher efficiency

· Simple layout

· System Solutions

· work fast

· Fully replace imported products

· Patent certificate certification

· 1 year warranty

· Application rice harvester

· Category Variable displacement axial piston pump

LPV30 Harvesting machinery Hydrostatic transmission information:

Agricultural machinery relies heavily on hydraulic pump motor systems to power their various functions. These systems use hydraulic energy generated by a hydraulic pump to drive the movements of the equipment, such as lifting, lowering, and steering.

The hydraulic system is an essential component of many modern agricultural machines, including tractors and combines. It allows for greater precision, speed, and efficiency in performing tasks that are crucial to farming operations.

Hydraulic pump motor systems consist of several components, including the hydraulic pump, hoses, valves, and a hydraulic fluid reservoir. The pump generates hydraulic energy, which is then transmitted through the hoses to where it is needed. Valves control the flow of hydraulic fluid, while the hydraulic motor converts the hydraulic energy back into mechanical energy for use in powering specific functions.

Specifications:

Harvesting machinery Hydrostatic transmission technical parameter

Harvesting machinery Hydrostatic transmission notices:

Regular maintenance: It is important to conduct regular maintenance on the hydraulic pump motor system to ensure that it is functioning properly. Replace filters, check fluid levels and look for leaks.

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Harvesting machinery Hydrostatic transmission use:

Mixer truck: concrete mixer truck, cement mixer truck;

Coal mining machinery: scraper;

Industry: pharmaceutical machinery;

Transport vehicles: road rollers, concrete pump trucks, stabilized soil mixers

Factory Production & Inspection Evidence

Production of the LPV30-MA-R-21 closed axial piston pump is recorded and traceable to Shandong Highland Hydraulic Seiko Co., Ltd. as the manufacturer. 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 carried out 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 records speed, pressure, flow, displacement, torque, input power, output power, overall and volumetric efficiency, and charge pressure for the LPV30-MA-R-21. Selected test points are listed for reference.

Charge pressure: 1.4 MPa; charge flow 10.3 L/min. All values are taken directly from the original test record and depend on the test-bench measurement and calculation method.

Engineering Drawing & Dimensions

Interface information for the LPV30-MA-R-21 is given in the supplied LPV30/50-MA-R/L-21/14-NN engineering drawing, covering the mounting flange, output shaft spline, hydraulic ports, control interface and rotation direction. 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

For the LPV30-MA-R-21, quality control combines 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

This pump model appears in the project record for a Saudi Arabia-based customer. 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:

These documents cover displacement, speed, pressure, torque, power, temperature and weight, and confirm the model as a closed axial piston pump. The referenced documents are kept on file with the unit's component number.

Harvesting machinery Hydrostatic transmission faq

Q1. Can I have a sample order for rice harvester hydraulic motor pump system?

A: Yes, we welcome sample order to test and check quality.

Q2. What about the rice harvester hydraulic motor pump system lead time?

10 to 15 days for samples, mass production according to MOQ

Q3. Do you have any MOQ limit for rice harvester hydraulic motor pump system?

A: Low MOQ, 1pc for sample checking is available.

Q4. How do you ship the rice harvester hydraulic motor pump system and how long does it take to arrive?

Ship by sea, it generally takes 15-20 days to arrive, and air is also optional.

Q5. How to proceed an order for rice harvester hydraulic motor pump system

A: Firstly let us know your requirements or application.

Secondly We quote according to your requirements or our suggestions.

Thirdly customer confirms the samples and places deposit for formal order.

Fourthly We arrange the production.

Q6: Do you offer guarantee for therice harvester hydraulic motor pump system?

A: Yes, we offer 1 years warranty to our products.

Q7: How to deal with the faulty rice harvester hydraulic motor pump system?

Firstly, our products are produced in strict quality control system.Secondly, we will inspect the defective pump and motor, and then respond according to the actual situation.