I. Product Overview
TheK5V212is a high-performance axial piston variable-displacement pump widely used in construction machinery, mining equipment, metallurgical industries, marine applications, and more. Its core advantages include high efficiency, reliability, and durability, capable of operating under medium-to-high pressure conditions (continuous working pressure up to280 bar, peak pressure350 bar) while supporting multiple control methods to meet complex system requirements.
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II. Key Specifications
1. Displacement:212 mL/rev(per revolution), suitable for medium-to-large equipment.
2. Pressure Range:
• Continuous working pressure:280 bar
• Peak pressure:350 bar
3. Speed Range:1,500–2,600 rpm, compatible with electric motor or internal combustion engine drives.
4. Control Methods:
• Load-Sensing Control: Automatically adjusts flow based on load to optimize energy consumption.
• Pressure Compensation Control: Maintains stable system pressure to prevent overloading.
• Electric/Hydraulic Variable Control: Supports remote or automated operation.
5. Materials & Construction:
• Main components made of high-strength cast iron or alloy steel for high-pressure resistance and impact durability.
• Dual-metal port plate design: Reduces wear and extends seal life.
• Modular valve groups: Simplify maintenance and minimize downtime.
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III. Technical Highlights
1. Adaptive Regulation System:
Automatically optimizes flow output based on load changes, reducing energy waste and system heat generation.
2. High Volumetric Efficiency:
Achieves over90% volumetric efficiencythrough precision machining and sealing design, minimizing internal leakage.
3. Strong Contamination Resistance:
Features anti-contamination bearings and oil filtration design for operation in harsh conditions (e.g., oil with impurities).
4. Long Service Life:
• Critical components (e.g., pistons, bearings) are reinforced for lifespans exceeding10,000 hours.
• Supports periodic maintenance (e.g., seal replacement every 2,000 hours) for extended durability.
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IV. Typical Applications
1. Excavation Machinery:
• Fits20–30-tonmedium excavators, powering boom, slewing, and travel systems.
2. Lifting Equipment:
• Used in25–50-tontruck cranes for luffing, telescoping, and slewing mechanisms.
3. Road Machinery:
• Core component in asphalt pavers and milling machines for hydraulic drives.
4. Special Vehicles:
• Powers hydraulic systems in rotary drilling rigs and aerial work platforms.
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V. Selection & Usage Recommendations
1. Selection Criteria:
• Choose based on equipment operating conditions (pressure/flow requirements).
• Confirm control method (e.g., load-sensing or electric control needs).
2. Installation Notes:
• Ensure pump shaft alignment with the driver (motor/engine) ≤0.1 mmmisalignment.
• Check oil cleanliness before installation (recommendedNAS 8 gradeor better).
3. Maintenance Guidelines:
• Regularly monitor oil temperature (recommended ≤80°C) and pressure fluctuations.
• Inspect oil contamination every500 hoursand replace seals every2,000 hours.
