Vickers DG17V & DG21V Valve | DG17V-3 DG21V-3 | Manual Lever & Cam Operated Valve | NG6 Hydraulic Control

Vickers DG17V & DG21V Series Manual & Cam Operated Valves

Product Overview: The Vickers DG17V and DG21V series are highly reliable mechanical directional control solutions for industrial hydraulics. Unlike solenoid-operated valves, this series utilizes manual levers (DG17V series) or mechanical rollers/cams (DG21V series) to shift the spool directly. They are ideal for applications where electrical control is unavailable, explosion-proof requirements exist, or physical mechanical stroke control is needed. Featuring the standard Size 03 (NG6) interface, these valves offer rugged construction, clear shifting tactile feedback, and high pressure-holding capabilities for small presses, mobile equipment, and limit control in automated lines.

Featured models: DG17V-3-2C-60, DG17V4-012C-10, DG21V-3-2AL-2-60, and DG21V-3-OA-2-60.

Key Technical Advantages:

• Mechanical Actuation Logic: Operates without electrical coils, reducing system complexity and maintaining robustness in power-off or high-EMI environments.

• High-Response Roller Design (DG21V): The smooth roller action accurately responds to mechanical cam movements, making it the perfect choice for hydraulic limit switching.

• Ergonomic Lever Control (DG17V): Designed for superior operator feedback, supporting various return functions such as spring centering or detent (ball positioning).

• Premium Cast Iron Body: High-strength castings with optimized internal galleries ensure minimal pressure drop even under high-flow conditions.

• Universal Mounting Standard: Fully compliant with ISO 4401-03-02-0-05 (NG6), allowing for direct replacement of mainstream competitive brands.

Detailed Specifications & Parameters:

• Featured Model Matrix:

  • DG17V-3-2C: Size 06 (NG6), manual lever operated, 3-position 4-way, spring-centered.

  • DG21V-3-2AL: Size 06 (NG6), roller/cam operated, 2-position 4-way, with spring offset.

  • DG21V-3-OA: Roller operated function specialized for specific mechanical stroke control logic.

• Core Technical Specs:

  • Max Operating Pressure: Ports P, A, and B up to 25 MPa (250 bar).

  • Max Flow Capacity: Up to 38 – 50 L/min depending on spool configuration.

  • Actuation Force: Lever torque is ergonomically optimized to prevent operator fatigue during frequent use.

  • Fluid Media: Mineral-based hydraulic oils with filtration requirements of ISO 4406 18/15.