F12 Series Hydraulic Pump
3 month ago
Product details
TheParker F12 Series Hydraulic Pumpis a high-performance, bent-axis axial piston fixed-displacement hydraulic pump manufactured by Parker Hannifin. It is widely used in construction machinery, marine propulsion, heavy industrial equipment, and other fields requiring high pressure and reliability. Below is a detailed overview:
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I. Technical Features
1. Bent-Axis Design:
• The F12 series adopts a bent-axis axial piston design with a 40° angle between the shaft and cylinder block, enabling a compact structure, lightweight design, and high power-to-weight ratio.
2. High-Pressure Performance:
• Maximum intermittent operating pressure: Up to480 bar (≈7,000 psi).
• Continuous operating pressure: Up to420 bar, providing one of the highest power outputs among pumps of the same displacement.
3. Wide Speed Range:
• Operating speed range:50 rpm to 7,300 rpm, supporting low-speed high-torque startup and high-speed light-load operation to meet extreme dynamic load requirements.
4. Spherical Pistons & Double-Taper Bearings:
• Unique spherical piston design minimizes centrifugal deformation during high-speed rotation, ensuring dynamic sealing reliability.
• Double-taper bearing support enhances vibration resistance, withstanding shock loads up to15Gand torsional vibrations.
5. Laminated Piston Rings:
• Laminated piston rings effectively reduce internal leakage, achieving volumetric efficiency>95%, saving>18%energy compared to conventional pumps.
• Withstands oil temperature fluctuations from-35°C to 115°C, suitable for extreme cold mining areas or high-temperature die-casting environments.
6. Low-Noise Design:
• Optimized port plate design improves oil film pressure distribution, reducing operating noise while enhancing self-priming speed.
7. Multiple Mounting Interfaces:
• Supports ISO, SAW cartridge-style, and SAE mounting configurations, with left- and right-hand rotation versions available for easy integration into various systems.
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II. Application Areas
The F12 series hydraulic pumps are widely used in the following fields due to their high performance and reliability:
1. Construction Machinery:
• Travel and slewing systems in excavators, loaders, and cranes.
2. Marine Propulsion:
• Propeller drives for ships, providing stable and reliable power output.
3. Heavy Industrial Equipment:
• Die-casting machines, hydraulic presses, mining equipment, and other applications requiring high pressure and reliability.
4. Energy Sector:
• Hydraulic systems for wind turbines, oil extraction, and other energy equipment.
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III. Main Models & Parameters
The F12 series offers a variety of displacement options to meet different application requirements:
【表格】
Model Displacement (cm³/rev) Max. Intermittent Pressure (bar) Continuous Pressure (bar) Max. Speed (rpm)
F12-030 30 480 420 7,300
F12-040 40 480 420 7,300
F12-060 60 480 420 7,300
F12-080 80 480 420 7,300
F12-090 90 480 420 7,300
F12-110 110 480 420 7,300
F12-125 125 480 420 7,300
F12-152 152 480 420 7,300
F12-162 162 480 420 7,300
F12-182 182 480 420 7,300
F12-250 250 480 420 7,300
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IV. Advantages & Characteristics
1. High Power Density:
• The 40° shaft-cylinder block angle reduces volume by30%while increasing power-to-weight ratio by50%compared to traditional pumps.
2. Superior Vibration Resistance:
• Gear synchronization mechanism + heavy-duty cylindrical roller bearings counteract high gravity and torsional vibrations, ensuring stable operation.
3. Ultra-Low Internal Leakage:
• Multi-laminated piston rings achieve volumetric efficiency>95%, delivering significant energy savings.
4. Long Service Life:
• Unique piston locking, timing gear, and bearing design reduce component count, enhancing structural robustness and longevity.
5. Strong Environmental Adaptability:
• Withstands extreme temperatures and contaminated environments, suitable for harsh operating conditions.
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V. Installation & Maintenance
1. Installation Requirements:
• Ensure mechanical alignment; use recommended pipe diameters for oil connections.
• Suction line self-priming height:≤500 mm, absolute pressure>0.8 bar.
• Case drain line must return directly to the tank with backpressure≤0.2 barto prevent shaft seal failure.
• Flange sealing: Use SAE/ISO flange connections; tighten bolts crosswise to torque values perVDI 2230standards.
2. Maintenance Recommendations:
• Fluid Management: Use mineral-based HLP hydraulic oil with a viscosity range of15–30 mm²/sand an acid number increase≤0.2 mg KOH/g.
• Filtration System: Install a10 μm filter (βₙ ≥ 75)in the main circuit; test cleanliness every500 hours.
• Preventive Maintenance: Replace fluororubber shaft seals every2,000 hours; clean piston ring slots of debris. Calibrate port plate preload and check bearing clearance every5,000 hours.
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