1. Closed Circuit Design for High Efficiency: Designed for closed-loop hydraulic systems to ensure energy-saving.
2. Variable Displacement Capability: Integrated swashplate or servo control allows real-time flow adjustment, improving responsiveness and fuel economy across applications.
3. High Pressure Tolerance: Supports working pressures up to 42 MPa, perfect for construction, mining, or agriculture where strong force output is required.
4. Compact & Robust Structure: Space-saving body with hardened internal parts extends durability in heavy-duty environments with minimal maintenance needs.
5. Wide Application Compatibility: Supports global ISO interface standards and is widely used in concrete mixers, harvesters, and industrial automation.
hydraulic solution closed circuit piston pumps manfacturer
Hydraulic piston pumps for closed circuit systems with high pressure, variable displacement, and durable design.
Ideal for mobile and industrial hydraulic solutions.
our advantage
Product Description
Highland closed circuit piston pumps offer high pressure, variable flow, and reliable hydraulic performance. Designed for mobile and industrial equipment, they deliver long-lasting operation with minimal maintenance.
Product Features
As a leading manufacturer of closed circuit hydraulic piston pumps, Highland hydraulic provide high-efficiency and precision-engineered solutions for modern hydraulic systems.
Highland piston pumps are designed to deliver optimal flow control and torque output under high-pressure conditions, making them ideal for concrete equipment, agricultural machinery, and off-road mobile systems.
With compact, modular designs and a wide range of displacement sizes, Highland piston pumps support seamless integration into both OEM and retrofit systems.
Product INTRODUCTION
Highland manufacture advanced closed circuit hydraulic piston pumps for high-pressure systems in construction and agriculture. Our pumps offer customizable control, ISO mounting, and global support.
PRODUCT SPECIFICATIONS
Rated |
|
20 |
22 |
23 |
110 |
|
Maximum displacement |
ml/r |
33.3 |
69.8 |
89 |
110.8 |
|
Speed |
Maximum continuous operating speed |
r/min |
3500 |
3200 |
2700 |
2700 |
Rated speed |
r/min |
2500 |
|
|||
Minimum continuous operating speed |
r/min |
500 |
|
|||
Pressure |
Rated working pressure |
Mpa |
35 |
|
||
Maximum working pressure (instantaneous) |
Mpa |
42 |
|
|||
Continuous working pressure ( Δ P) |
Mpa |
30 |
|
|||
Allowable shell pressure (absolute) |
Mpa |
Constant0.25,Peak value0.5 |
|
|||
Torque |
Continuous output torque |
Nm |
162.3 |
342.6 |
432.9 |
535.3 |
Maximum output torque |
Nm |
227 |
480 |
606 |
749 |
|
Power |
Continuous Power |
KW |
41 |
98 |
128 |
137 |
Maximum power |
KW |
57 |
105 |
138 |
159 |
|
Temperature |
Allowable temperature of shell |
℃ |
80 |
|
||
Maximum operating temperature of fuel tank |
℃ |
70 |
|
|||
Angle |
Maximum inclination angle of the inclined plate |
° |
± 18 ° |
|
||
Weight |
PV series hydraulic pump Hydraulic oil drainage |
kg |
45 |
63 |
79 |
79 |
detail displaY
Product Application
About Us
Shandong Highland Hydraulic Seiko Co., Ltd. is one of China's largest hydraulic enterprises, covering 10,000㎡ with more than 20 years of experience. We specialize in hydraulic pumps, motors, testers, and test benches for industries like agriculture, engineering, shipbuilding, mining, and oil exploration. With strong R&D, advanced equipment, and over 20 patents, we have customized hydraulic systems and test benches for 6,000+ enterprises. Our products serve OEMs and repair companies worldwide, including America, Europe, and Asia, recognized for quality, service, and competitive pricing. We look forward to long-term, mutually beneficial cooperation.
Packing & Delivery
To protect hydrostatic pump, we pack and fix goods at least two layers. The first layer is plastic bag to protect against moisture, the second is to fix hydrostatic pump in the plywood case because its heavy goods, the third is plywood case, standard export package.
FAQ
ADD:No. 2 Tianchen Road, Yucheng High-tech Zone, Shandong
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