Product Introduction for YUKEN Variable Displacement Piston Pump A90-FR01CK-32

1. Product Overview

2. Key Features

• High Displacement & Power Density: With a displacement of 90.7 cm³/rev (5.53 cu.in./rev), the A90-FR01CK-32 delivers substantial hydraulic power for heavy-duty applications while maintaining a compact footprint.
• Advanced Pressure Compensation Control (FR01CK): Features pressure compensator with remote control capability, enabling precise pressure adjustment and flow regulation based on system demands. Automatically reduces displacement as pressure approaches the preset cut-off point, optimizing energy efficiency.
• Exceptional Efficiency: Boasts volumetric efficiency exceeding 98% and overall efficiency above 90% at rated conditions (16 MPa, 1800 r/min), significantly reducing power loss and heat generation.
• Robust Construction: Manufactured with high-grade alloy materials and precision machining, ensuring outstanding wear resistance, corrosion resistance and fatigue strength for prolonged service life under harsh operating conditions.
• Low Noise & Vibration: Optimized internal design and balanced components minimize operational noise (below 58 dB(A)) and vibration, creating a more comfortable working environment.
• Flexible Installation Options: The 32 designation indicates a versatile mounting configuration compatible with various industrial machinery setups, enhancing integration flexibility.
• Superior Contamination Resistance: Designed with tight clearances and high-quality internal components to withstand hydraulic fluid contamination, ensuring reliable operation with proper maintenance (NAS 10 Class recommended).

3. Technical Specifications

4. Performance Advantages

• Energy Saving: The pressure compensation control system automatically adjusts flow output according to load changes, reducing energy consumption by up to 30% compared to fixed displacement pumps in variable load applications.
• Precise Control: Offers exceptional pressure and flow control accuracy, ensuring stable operation of hydraulic actuators even under fluctuating load conditions.
• Long Service Life: High-quality components and precision manufacturing ensure a service life of over 10,000 operating hours under normal working conditions.
• Low Maintenance Cost: Robust design minimizes downtime and maintenance requirements, reducing total cost of ownership over the pump’s lifecycle.
• Wide Operating Range: Capable of operating efficiently across a broad range of pressures (1.2~21 MPa) and speeds, adapting to diverse application requirements.

5. Application Areas

• Heavy construction machinery (excavators, loaders, cranes)
• Large-scale injection molding machines
• Metallurgical and steel processing equipment
• Marine hydraulic systems
• Industrial presses and forging machines
• Automated production lines requiring high-power hydraulic systems
• Mining and mineral processing equipment

6. Installation & Operation Considerations

• Ensure proper alignment between pump and drive motor (coaxiality ≤ 0.1 mm, angular misalignment ≤ 0.2°)
• Use flexible coupling to absorb vibration and prevent shaft damage
• Maintain recommended oil cleanliness (NAS 10 Class) to maximize service life
• Prime the pump before initial start-up to prevent dry running
• Follow specified pressure and speed limits to avoid damage
• Allow for proper heat dissipation to maintain oil temperature within -10°C to 70°C range

7. After-Sales Support