Product Overview
The TOKYO KEIKI P31VFR-20-CC-21-J is a high-performance variable displacement axial piston pump engineered for demanding industrial hydraulic systems. Manufactured by TOKYO KEIKI (Tokyo Keiki Inc.), a globally recognized leader in precision fluid power technology, this pump operates on the proven swashplate principle, where an inclined swashplate drives multiple pistons within a rotating cylinder barrel to generate high-pressure hydraulic flow. The variable displacement design allows the pump to adjust its output flow rate in response to system demand, delivering exceptional energy efficiency and precise control in applications requiring variable speed, pressure-compensated, or load-sensing operation. The P31VFR series is widely specified in heavy-duty industrial machinery where reliability, low noise, and high volumetric efficiency are critical.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Piston Pump — Variable Displacement Axial Piston |
| Model Designation | P31VFR-20-CC-21-J |
| Manufacturer | TOKYO KEIKI |
| Displacement Type | Variable Displacement (Swashplate Controlled) |
| Operating Pressure | Standard Industrial Grade (Up to rated bar — consult factory for continuous/intermittent ratings) |
| Control Type | Pressure Compensator / Load Sensing (CC Configuration) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (SAE Flange or Threaded Ports) |
| Shaft Type | Straight Keyed Shaft (Standard Industrial Configuration) |
| Rotation | Clockwise (Viewed from Shaft End — Verify with Model Code) |
Engineering Features & Advantages
- Precision Swashplate Performance: The axial piston design with precision-machined swashplate delivers smooth, infinitely variable displacement control, enabling exact matching of pump output to system flow and pressure requirements for maximum energy efficiency.
- High Volumetric & Mechanical Efficiency: Close-tolerance piston-to-bore clearances and high-quality cylinder barrel machining minimize internal leakage and frictional losses, ensuring superior performance even at elevated operating pressures.
- Advanced Pressure Compensation: The CC control configuration provides responsive pressure-compensated operation, automatically reducing displacement as system pressure approaches the set point, preventing overload and reducing heat generation.
- Low Noise & Smooth Operation: Optimized piston kinematics and rigid housing construction significantly reduce pressure pulsation and audible noise, making the P31VFR series ideal for noise-sensitive industrial environments.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original TOKYO OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
The P31VFR series is widely specified in heavy-duty industrial machinery where reliability, low noise, and high volumetric efficiency are critical.
PRODUCT IMAGES


TOKYO KEIKI P31VFR-20-CC-21-J Variable Displacement Axial Piston Pump
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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