NACHI VDR-1B-2A3-22 High-Performance Variable Displacement Vane Pump for Industrial Hydraulic Systems

NACHI Vane Pump VDR-1B-2A3-22 — Advanced Hydraulic Solution for Precision Systems

The NACHI VDR-1B-2A3-22 is a high-performance variable displacement vane pump developed for hydraulic systems that demand precision, energy efficiency, and long-term reliability. As part of NACHI’s second-generation VDR Series, this model features refined hydraulic control, robust materials, and a compact structure that ensures stable performance across diverse industrial applications.

With its pressure-compensated control and low-noise design, the VDR-1B-2A3-22 delivers efficient hydraulic power suitable for machine tools, plastic injection molding, press machinery, and automation systems. Its ability to automatically regulate flow output according to system pressure allows for excellent energy savings while maintaining constant pressure and smooth fluid delivery.

1. Product Overview

The VDR-1B-2A3-22 is designed to meet the needs of modern hydraulic equipment requiring compact, reliable, and quiet pumps. It utilizes NACHI’s advanced pressure-compensated mechanism that automatically adjusts displacement based on the pressure in the hydraulic circuit.

This design reduces unnecessary energy consumption, minimizes oil heating, and ensures that the system operates at peak efficiency. The result is a pump that not only improves performance but also contributes to lower operational costs and longer equipment lifespan.

2. Technical Specifications

3. Construction and Design Features

Every component of the VDR-1B-2A3-22 is precisely engineered using NACHI’s proprietary manufacturing technologies. The result is a pump that delivers high efficiency, long service life, and reliable operation under demanding industrial conditions.

This precision construction reduces mechanical vibration, ensures quiet operation, and enhances long-term reliability.

4. Performance Characteristics

The optimized internal geometry of the pump minimizes fluid turbulence, resulting in stable output and excellent response speed even under rapid load changes.

5. Key Advantages

1. Superior Energy Efficiency:
   The variable displacement control reduces power consumption by automatically decreasing flow when demand is low, contributing to cost savings and eco-friendly operation.

2. Precision Pressure Control:
   The integrated compensator ensures stable output pressure, maintaining high accuracy for sensitive hydraulic systems.

3. Low Noise and Smooth Operation:
   Balanced rotor design and reduced internal pulsation enable quiet and vibration-free performance.

4. Compact and Lightweight Design:
   Its high-strength aluminum body reduces installation space requirements while maintaining high durability.

5. Long Service Life:
   Wear-resistant components, precision bearings, and optimized lubrication ensure prolonged use with minimal maintenance.

6. Ease of Maintenance:
   Modular construction allows for easy replacement of cartridges, seals, and bearings without complete disassembly.

7. Thermal Stability:
   Efficient hydraulic design prevents excessive oil heating, maintaining reliable operation over long cycles.

6. Application Areas

The VDR-1B-2A3-22 is used in a variety of hydraulic systems that require energy-efficient, stable, and quiet hydraulic power.

This model is suitable for both new installations and upgrades where higher efficiency and reliability are required.

7. Operation and Installation Guidelines

Following proper installation and maintenance practices ensures stable performance and extended service life.

8. Maintenance and Spare Parts

To maintain high performance and reliability, NACHI provides easy-to-install service kits and replacement parts for the VDR-1B-2A3-22.

Using genuine NACHI parts guarantees compatibility, preserves efficiency, and prevents premature wear.

9. Comparison with Fixed-Displacement Pumps

The VDR-1B-2A3-22 outperforms conventional pumps by offering higher energy efficiency, lower noise, and simpler maintenance.

10. Conclusion

The NACHI VDR-1B-2A3-22 exemplifies engineering excellence in variable displacement vane pump technology. It delivers quiet, efficient, and precise hydraulic performance, making it ideal for advanced industrial systems where accuracy and energy savings are essential.

Key Highlights:

• Pressure-compensated automatic flow control

• High volumetric and mechanical efficiency

• Low noise, compact, and lightweight design

• Long lifespan and easy maintenance

• Stable and reliable performance under continuous operation

Combining NACHI’s expertise in fluid control technology with superior mechanical craftsmanship, the VDR-1B-2A3-22 is a trusted solution for industries seeking high-efficiency, long-lasting hydraulic power that meets the demands of modern manufacturing and automation systems.