Parker P2 Series Hydraulic Pump
TheParker P2 Series Hydraulic Pumpis a high-performance axial piston variable displacement pump designed by Parker Hannifin Corporation. It is widely used in mobile hydraulic systems, particularly in mobile machinery and construction equipment, where it excels in heavy-duty applications.
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I. Key Features
1. High-Pressure Performance:
• Rated Pressure: 320 bar (some models up to 350 bar)
• Peak Pressure: 370 bar
• Capable of stable operation under high-pressure conditions, meeting the demands of heavy-duty construction machinery.
2. Compact Design:
• Small size and lightweight, suitable for installation in space-constrained mobile equipment.
• Flat pump body design eliminates the need for offset gearboxes, facilitating installation in narrow spaces.
3. Low Noise and Vibration:
• Unique pressure pulsation chamber design reduces outlet pressure fluctuations by up to 50%.
• Lowers noise levels by 5–8 dB, providing a quiet and efficient working environment.
4. High Reliability:
• Swashplate with bearing design ensures even load distribution and reduces friction, extending service life.
• Composite saddle-shaped bearings enhance structural strength.
5. Multiple Control Options:
• Offers standard pressure regulators, power regulators, load-sensing controls, and more.
• Supports modular controllers for easy conversion to meet diverse application requirements.
6. Strong Self-Priming Capability:
• High drive speed design enables excellent self-priming performance, suitable for operation at high altitudes.
• The P3 series incorporates a built-in suction port pressurization device to further enhance self-priming performance.
7. Easy Installation and Maintenance:
• Complies with SAE and ISO standards for mounting flanges and ports, facilitating integration with existing systems.
• Multiple housing drain port designs accommodate various installation orientations.
• Easy to repair, with modular design simplifying troubleshooting and component replacement.
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II. Applications
The Parker P2 Series Hydraulic Pump is widely used in the following fields:
• Construction Machinery: Excavators, loaders, cranes, road rollers, etc.
• Material Handling Equipment: Forklifts, stackers, conveying equipment, etc.
• Agricultural Machinery: Harvesters, tractors, irrigation equipment, etc.
• Marine Manufacturing: Propulsion systems, steering systems, etc.
• Mining Equipment: Roadheaders, coal mining machines, transport equipment, etc.
• Municipal and Vocational Equipment: Street sweepers, aerial work platforms, etc.
• Defense and Military Vehicles: Armored vehicles, transport vehicles, etc.
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III. Technical Specifications
• Displacement Range: 60–145 cm³/rev (P2 series offers four displacement options: 60, 75, 105, and 145 cc)
• Operating Speed: 50–7,300 rpm
• Continuous Working Pressure: 280–350 bar (depending on the specific model)
• Peak Pressure: 370 bar
• Control Method: Pressure and flow control
• Material: Cast iron
• Operating Mode: Open circuit
• Mounting Method: SAE splined shaft, SAE flange
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IV. Model Examples
• P2060: Displacement 60 cm³/rev
• P2075: Displacement 75 cm³/rev
• P2105: Displacement 105 cm³/rev
• P2145: Displacement 145 cm³/rev
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V. Summary of Advantages
• High Performance: High pressure and large displacement meet heavy-duty operational requirements.
• High Reliability: Compact and well-designed structure ensures long service life.
• Versatility: Multiple control options adapt to various application scenarios.
• Energy Efficiency: Low noise and vibration reduce energy consumption.
• Easy Integration: Compliance with international standards facilitates matching with existing systems.
