THM – VDN – Variable Displacement Vane Pump

Optimize your system's hydraulic performance and maximize operational flexibility with the THM VDN Series Variable Displacement Vane Uni-Pump. Engineered for uncompromising durability and high-precision fluid delivery, this compact pump provides adjustable displacement sizes of 8, 16, and 26 cm³/rev while sustaining a maximum pressure of 80 bar. By combining exceptionally high volumetric efficiency with ultra-low internal leakage, the VDN Series drastically reduces system heat generation—protecting your hydraulic fluid and significantly improving the accuracy of your precision machining operations.

Core Technical Specifications:-

Pump Architecture: Variable Volume Vane Uni-Pump
Displacement Sizes: 8, 16, 26 cm³/rev
Maximum Operating Pressure: 80 Bar
Design Profile: Compact, Lightweight, High-Efficiency

Key Features & Operational Benefits:-

High Volumetric Efficiency & Low Leakage: Precision-engineered internal components keep fluid slip to an absolute minimum. This ensures consistent flow delivery, which drastically reduces system heat generation and prevents thermal distortion in highly accurate machining applications.
Energy-Efficient High Performance: The variable displacement architecture allows the pump to deliver only the exact amount of fluid required by the circuit, eliminating wasted energy and lowering your overall operational costs.
Ultra-Compact & Space-Saving: Features an incredibly streamlined, lightweight uni-pump design that saves valuable real estate inside crowded machinery enclosures and custom power units.
Acoustic Excellence (Low Noise): Built with advanced internal balancing to minimize mechanical vibration and fluid pulsation, resulting in whisper-quiet operation that improves the factory floor environment.
Extended Service Life: The reduction in internal heat and mechanical stress ensures that the pump components suffer less wear and tear, guaranteeing a long, reliable service life with minimal maintenance.

Ideal Industry Applications:-

The compact size, low heat generation, and precise flow control of the VDN Series make it the perfect hydraulic drive for: