Nachi UVN Series Uni-Pump | UVN-1A-1A4 UVN-1A-2A3 | Vane Pump Motor Group | UVN-1A-1A3-22E

Nachi UVN Series Energy-Saving Variable Vane Uni-Pumps

Product Overview: The Nachi UVN Series is an integrated power unit (Uni-Pump) that flawlessly combines a high-performance variable vane pump with a high-efficiency motor. This series is engineered to achieve the energy savings, noise reduction, and space optimization required by modern industrial standards. This category features the precision configurations: UVN-1A-1A4-1.5-4-11, UVN-1A-2A3-22-4-30, UVN-1A-1A4-2.2-4-11, and the customized UVN-1A-1A3-22E-4DU-6313E. Its compact architecture and superior pressure compensation control make it the premier choice for CNC machine drives, hydraulic clamping systems, woodworking machinery, and precision presses.

Key Technical Advantages:

• Elite Energy Efficiency: Utilizing variable displacement technology, the pump automatically reduces output once the preset pressure is reached, significantly cutting power consumption and preventing oil overheating.

• Compact Integrated Design: By coupling the pump and motor on a single shaft—eliminating couplings and pump mounts—the UVN series reduces its installation footprint and eliminates vibrations caused by misalignment.

• Whisper-Quiet Operation: Optimized vane internal geometry and motor encapsulation ensure extremely low noise levels across the entire pressure spectrum, meeting green factory requirements.

• High Response & Stability: The rapid-response pressure compensator ensures precise actuator movements and maintains consistent performance during long-term pressure-holding cycles.

• Technical Spec Decoding:

  • UVN-1A: Denotes the single variable vane uni-pump series.

  • 1A3 / 1A4 / 2A3: Correlates to displacement stages (e.g., 8, 16, 26 cc/rev) and pressure adjustment ranges.

  • 1.5 / 2.2: Indicates integrated motor power (1.5kW or 2.2kW).

  • 22E / 6313E: Specialized order suffixes for port orientation, specific voltage ratings, or custom finishes.

Detailed Models & Parameters:

• Core Series: Nachi UVN Variable Vane Uni-Pump.

• Featured Model Matrix:

  • UVN-1A-1A4-1.5-4-11: Integrated with 1.5kW motor, ideal for lightweight precision control.

  • UVN-1A-2A3-22-4-30: Designed for medium industrial systems, balancing flow and efficiency.

  • UVN-1A-1A4-2.2-4-11: 2.2kW power source for enhanced system response.

  • UVN-1A-1A3-22E-4DU-6313E: Highly specialized/customized configuration.

• Core Performance Specs:

  • Rated Pressure: Continuous operation up to 70 Bar (1000 PSI).

  • Motor Speed: Standard 4-pole motor speeds (approx. 1450-1750 RPM).

  • Voltage Versatility: Supports multiple international ratings (200V/220V/380V/415V).