Daikin Type VDR VDS VDC Vane Pump | VDR-11A, VDR-11B, VDR-1A | 7MPa
| Model Number | VDS, VDR, VDC, VDR-11A, VDR-11b, VDR-11B-1A2-1A2-U-13, VDR-11A-1A2-1A2-13, VDR-1A-1A2-22 |
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Product Description
Daikin Type VDR/VDS/VDC Series Pressure Compensated Variable Vane Pumps
Product Overview: The VDR/VDS/VDC Series represents a high-efficiency variable displacement vane pump solution engineered specifically for precision industrial equipment. As an advanced Pressure Compensated unit, it automatically adjusts its output flow according to system load requirements. Once the preset pressure is reached, the pump shifts to a compensation state, drastically reducing energy waste and preventing oil overheating. This page features core precision models: VDR-11B-1A2-1A2-U-13, VDR-11A-1A2-1A2-13, and VDR-1A-1A2-22. Renowned for Daikin’s proprietary low-noise and high-response technology, this series has become the global standard for CNC machine tools and precision machinery.
Key Technical Advantages:
Superior Energy Savings: The automatic pressure compensation provides “Oil on Demand,” reducing electricity consumption by 30%-40% compared to fixed pumps and minimizing cooler requirements.
High-Response Dynamic Control: Utilizing a specially treated eccentric adjustment ring, flow switching is ultra-fast, ensuring constant machining accuracy during high-frequency cycles in precision CNC equipment.
Independent Dual-Circuit Regulation (VDR-11B/A): The double pump architecture allows two cartridges to independently set different pressures and flows on a single shaft for precise multi-circuit control.
Ultra-Compact & Lightweight Design: Compact footprint saves valuable installation space. It offers stable operation with whisper-quiet performance, ideal for integrated hydraulic power units.
Target Applications: CNC machining centers, grinding machines, cutting machinery, shoemaking machines, automated test benches, and compact Hydraulic Power Units (HPU).
Detailed Models & Parameters:
Core Series: Daikin Type VDR (Double), VDS/VDC (Single) Series.
Model Keywords: VDR-11B-1A2-1A2-U-13, VDR-11A-1A2-1A2-13, VDR-1A-1A2-22.
Pressure Specs Decoding:
1A2: Denotes specific pressure adjustment range (typically 0.8-7.0 MPa).
11A / 11B: Frame size identifiers for double pumps and design series.
U / 13 / 22: Mounting bracket styles and Daikin official design sequence identifiers.
Rated Pressure: Max continuous operating pressure up to 7.0 MPa (70 Bar).
Speed Range: Supports stable operation between 800 and 1800 RPM.



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