Powering Plant Performance with Precision

At Duncan Engineering, we deliver valve and automation solutions trusted by power plants and project developers worldwide. With decades of experience, our products are designed for efficiency, reliability, and low maintenance — meeting the critical needs of power generation systems, from boilers to turbines and beyond.

Where our solutions work

Boilers & HRSG Systems

Precise control of air, fuel, and steam under extreme temperatures and pressures.

Solutions: Control PanelsPneumatic ActuatorPulse Valve,  Positioners

Turbine Systems

Reliable valve actuation for steam admission, bypass, and emergency shut off.

Solutions: Control PanelsPneumatic ActuatorQuick Exhaust Valves

Cooling Systems

Safeguarding turbines, generators, and auxiliaries through cooling water automation

Solutions: Ball ValvesButterfly ValvesPneumatic Actuator

Fuel Handling Systems

Continuous, dust-free handling of coal, gas, oil, or biomass.

Solutions: AFRControl PanelsPneumatic Actuator,  Positioners,

Flue Gas & Emission Control

Automation for NOx, SOx, and particulate removal, ensuring environmental compliance.

Solutions: Pulse Valve,  Solenoid Valves, Damper Control Actuators.

Water & Wastewater Systems

Automation for boiler feedwater preparation and wastewater recycling.

Solutions: Ball ValvesButterfly ValvesPneumatic Actuator

Ash Handling Systems

Durable valves and actuators for safe removal of ash and residues.

Solutions: Pneumatic ActuatorPulse Valve,  Knife Gate Valves.

Balance of Plant (BOP)

Ensuring reliability across auxiliary systems like compressed air & fire protection.

Solutions: Control PanelsPneumatic Actuator,  Pneumatic Valves