Product Overview
The NACHI VDC-1B-2A3-U-6071B is a precision-engineered variable displacement vane pump manufactured by NACHI-FUJIKOSHI CORP., a globally recognized leader in hydraulic component technology. This pump operates on the proven variable vane principle, utilizing a hydraulically balanced rotor with radially slotted vanes that ride against a movable cam ring. By adjusting the eccentricity of the cam ring relative to the rotor center, the pump delivers infinitely variable flow output to match real-time system demand. This pressure-compensated design significantly reduces power consumption, minimizes heat generation, and extends fluid service life compared to fixed displacement alternatives. The VDC series is specifically engineered for industrial hydraulic systems requiring precise flow control, low noise operation, and high volumetric efficiency under continuous duty cycles.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Vane Pump (Variable Displacement) |
| Model Designation | VDC-1B-2A3-U-6071B |
| Manufacturer | NACHI-FUJIKOSHI CORP. |
| Displacement Control | Pressure-Compensated Variable (Cam Ring Eccentricity) |
| Operating Pressure | Standard Industrial Grade (Up to rated bar per VDC series) |
| Mounting & Connection | Standard ISO / NACHI Flange Interface |
| Noise Level | Low-Noise Vane Design (Optimized for Industrial Environments) |
| Hydraulic Fluid | Mineral-Based Hydraulic Oil (ISO VG 32–68) |
Engineering Features & Advantages
- Precision Variable Flow Control: The hydraulically balanced cam ring and precision-ground vanes deliver smooth, infinitely variable displacement, enabling exact matching of pump output to actuator demand without throttling losses.
- Energy-Efficient Pressure Compensation: When system pressure reaches the preset compensator setting, the cam ring shifts to near-zero eccentricity, drastically reducing input power and minimizing heat buildup in continuous industrial cycles.
- Low-Noise Operation: NACHI’s refined vane geometry and cam ring profile significantly attenuate pressure pulsation and fluid-borne noise, making the VDC series ideal for noise-sensitive production environments.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearing support, hardened wear surfaces, and proven vane tip sealing for extended service intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM NACHI VDC series mounting, shaft, and port configurations ensures drop-in installation without system modification.
Typical Industrial Applications
The NACHI VDC-1B-2A3-U-6071B variable displacement vane pump is widely deployed in plastic injection molding machines where precise flow and pressure
PRODUCT IMAGES
NACHI VDC-1B-2A3-U-6071B Variable Displacement Vane Pump
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- 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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