Engineered Control Solutions for Mining Productivity
At Duncan Engineering, we design and deliver rugged, compact, and energy-efficient pneumatic and valve automation systems built to perform in the extreme conditions of mining and mineral processing. From ore handling and crushing circuits to dust suppression, utility air, and plant-wide services, our solutions ensure reliable control, improved safety, and reduced downtime. Whether for greenfield projects or modernization efforts, Duncan helps mining operations achieve superior performance, lower lifecycle costs, and higher productivity.
Where our solutions work
Ore Handling & Primary Crushing
Process: Systems for receiving, sizing, and initial crushing of raw ore, requiring rugged valve automation for dust suppression, chute control, and crusher hydraulics.
Solutions: Quick Exhaust Valves, Pneumatic Valves, Actuators, Air Preparation Units
Grinding & Milling Systems
Process: Equipment that reduces ore to fine particles for mineral liberation, needing reliable valve and actuator solutions for lubrication, cooling, and feed systems.
Solutions: Pneumatic Cylinders, Pneumatic Valves, Air Preparation Units
Flotation & Separation Plants
Process: Processes that separate valuable minerals from waste with critical need for precise flow and air control to optimize recovery rates.
Solutions: Flow Control Valves, Pneumatic Valves, Positioners, Air Preparation Units
Slurry Transport & Tailings Management
Process: Systems handling high-abrasion slurry to tailings ponds or backfill, demanding durable valve actuation for reliable isolation and flow control.
Solutions: Ball Valves, Butterfly Valves, Flow Control Valves, Pneumatic Actuator,
Mine Ventilation & Dust Suppression
Process: Ventilation fans, dampers, and spray systems ensuring safe air quality in underground and surface operations with quick-acting, fail-safe automation.
Solutions: Pneumatic Actuator, Pneumatic Valves, Positioners
Material Conveying Systems (Conveyors / Hoists)
Process: Systems moving ore, waste, and materials across the mine site, requiring valve and actuator solutions for brake control, tensioning, and safety devices.
Solutions: Pneumatic Cylinders, Pneumatic Valves, Air Preparation Units
Hydrometallurgy & Leaching Plants
Process: Chemical processing systems extracting metals via leaching, needing corrosion-resistant and precise valve control for reagent and solution handling.
Solutions: Flow Control Valves, Pneumatic Valves, Positioners
Water Treatment & Reuse Systems
Process: Plant circuits treating and recycling water for process and environmental compliance, with valve automation critical for reliable, low-maintenance operation.
Solutions: Pneumatic Valves, Actuators, Air Preparation Units
Fire Suppression & Safety Systems
Process: Mine safety-critical systems managing fire detection and suppression, requiring fail-safe valve actuation for fast, dependable response
Solutions: Pneumatic Actuator, Quick Exhaust Valves, Pneumatic Valves
Plant Utility & Service Air Systems
Process: Compressed air and gas networks supporting all mining operations, needing efficient air preparation, valve, and actuator components for smooth, energy-efficient functioning.
Solutions: Flow Control Valves, Air Preparation Units, Pneumatic Valves