VAS

Duncan Valve Automation Systems integrate advanced actuation technologies, precision control components, and intelligent monitoring features to deliver reliable, efficient, and safe flow-control solutions for industrial applications. Designed for harsh environments and critical operations, our systems ensure accurate valve positioning, reduced downtime, and seamless integration with plant automation platforms.

Key Components

PNEUMATIC ACTUATOR	Linear actuator Rotary actuator: Rack & pinion, scotch yoke actuator
VALVE COMPATIBLE	Ball valve, butterfly valve, gate/globe valve, PLU valve, control valve, KGV
CONTROL & POSITIONING SYSTEM	Positioners, limit switch boxes, solenoid valves, control panels
APPLICATION	Oil & gas, water treatment, power, chemical, pharmaceutical, food processing

Features

• Accurate valve positioning for On/Off or Modulating duty
• Smooth and stable operation with high repeatability
• Advanced position feedback (4–20 mA / digital protocols)
• Torque range suitable for small to heavy-duty industrial valves
• ISO 5211 universal mounting compatibility
• Configurable fail-open or fail-close modes
• Ensures safety during power or air supply failure
• IP67/IP68 waterproof and dustproof enclosures
• Corrosion-resistant materials for harsh environments
• Energy Efficient Operation
• Manual override mechanisms
• Local control panels (LCP)