Vane Pump VDR-1B-1A3-U-1146K NACHI High-Efficiency Hydraulic Pumps for Precision Machinery

NACHI Vane Pump VDR-1B-1A3-U-1146K — High-Precision Hydraulic Power for Industrial Performance

The NACHI VDR-1B-1A3-U-1146K is a high-quality variable displacement vane pump engineered to deliver superior hydraulic efficiency, quiet operation, and long service life. As a member of NACHI’s advanced VDR Series, this model is built for demanding industrial environments that require stable pressure control and optimized energy use. With its pressure-compensated design, the VDR-1B-1A3-U-1146K provides accurate flow regulation and reliable performance across a wide range of hydraulic applications, such as machine tools, hydraulic presses, plastic injection systems, and automated machinery.

NACHI’s commitment to engineering excellence ensures that this pump combines mechanical durability with intelligent hydraulic performance, supporting efficient and sustainable industrial operations.

1. Product Overview

The VDR-1B-1A3-U-1146K utilizes NACHI’s proven pressure-compensated variable displacement technology to automatically control fluid flow according to system demand. When the system reaches its set pressure, the pump reduces displacement, maintaining stable output while minimizing power loss and heat generation. This function enables high energy efficiency and consistent hydraulic performance, even under fluctuating load conditions.

Built from high-quality materials and precision components, the VDR-1B-1A3-U-1146K ensures long-term reliability with minimal maintenance requirements, making it an ideal solution for both continuous and intermittent operations.

2. Technical Specifications

3. Structural and Material Design

Every element of the VDR-1B-1A3-U-1146K is engineered with precision to maximize mechanical stability and hydraulic efficiency. The robust construction allows continuous operation in high-pressure environments, while the precision-machined internal components ensure smooth, quiet, and efficient fluid movement.

This construction makes the pump reliable and efficient for precision hydraulic systems.

4. Performance Data

The pump’s built-in compensator enables precise, automatic control, ensuring consistent output and long-term stability.

5. Key Advantages

1. Energy-Efficient Operation:
   The variable displacement mechanism optimizes flow delivery according to system demand, reducing unnecessary power consumption and energy costs.

2. Accurate Pressure Control:
   The pressure-compensated design maintains a stable output pressure, ideal for precision hydraulic applications.

3. Low Noise and Vibration:
   Carefully balanced components and precise machining ensure quiet operation, making it suitable for noise-sensitive environments.

4. Compact and Lightweight Design:
   Aluminum construction provides strength without added bulk, simplifying installation in compact systems.

5. Long Service Life:
   Durable materials, hardened wear components, and high-quality bearings deliver long-term operational reliability.

6. Reduced Heat Generation:
   Efficient internal flow design minimizes friction and fluid heating, improving oil life and system performance.

7. Easy Maintenance:
   Modular design enables quick inspection and part replacement, minimizing downtime.

6. Application Fields

The VDR-1B-1A3-U-1146K is suitable for diverse industrial applications where efficiency, precision, and reliability are essential.

Its versatility and energy efficiency make it ideal for both new installations and system upgrades.

7. Operating and Maintenance Guidelines

Proper installation and routine maintenance ensure the pump’s long-lasting and stable performance.

8. Available Replacement Kits

To facilitate maintenance and service, NACHI provides original spare parts and repair kits for the VDR-1B-1A3-U-1146K.

Using genuine NACHI parts guarantees compatibility, optimal performance, and system reliability.

9. Comparative Advantage

This comparison highlights the superior performance and energy efficiency of NACHI’s variable vane design.

10. Conclusion

The NACHI VDR-1B-1A3-U-1146K is a technologically advanced variable displacement vane pump that exemplifies precision engineering and operational excellence. With its pressure-compensated control, the pump ensures accurate flow management, quiet operation, and exceptional energy efficiency.

Key Highlights:

• Intelligent automatic displacement control

• Low noise and minimal heat generation

• Compact, durable, and easy to maintain

• Ideal for industrial machinery and automation systems

• Long-lasting reliability with high operational stability

Built with NACHI’s renowned quality standards, the VDR-1B-1A3-U-1146K is the preferred choice for industries that demand precision, durability, and superior hydraulic performance in every application.