Airfoil Centrifugal Fans
High Efficiency Ventilation for Industrial Applications
The Airfoil Fan from Industrial Fan Systems is a high-efficiency, durable solution for industrial airflow requirements.
Airfoil centrifugal fans are widely recognised as the most energy‑efficient centrifugal fan technology available for industrial ventilation. Engineered with backward‑curved, aerodynamically profiled blades, airfoil fans deliver high airflow, low noise, and non‑overloading performance across a wide operating range.
Industrial Fan Systems airfoil centrifugal fans are designed, tested, and supplied for demanding Australian and New Zealand industrial environments, including mining, HVAC, food processing, pharmaceuticals, and oil & gas. ISO 5801 performance tested and built for long service life, these fans deliver measurable reductions in energy consumption while maintaining reliable, continuous operation.
Airfoil Fans for High-Efficiency Industrial Ventilation Solutions
What Is an Airfoil Centrifugal Fan?
An airfoil centrifugal fan uses backward‑curved blades with an airfoil cross‑section, similar to an aircraft wing. This aerodynamic design reduces turbulence and drag, allowing the fan to move large volumes of air with significantly lower energy input than traditional centrifugal fan types.
Unlike forward‑curved or radial fans, airfoil centrifugal fans operate on a non‑overloading power curve, meaning motor power does not increase uncontrollably as airflow changes. This makes airfoil fans ideal for variable airflow systems and applications where efficiency, reliability, and predictable performance are critical.
Airfoil Fan Key Features & Benefits
Features
Airfoil Impeller Design: The airfoil fan blade design features aerodynamically engineered blades that curve away from the direction of rotation, ensuring maximum static efficiency and performance. This advanced airfoil blades fan configuration represents the pinnacle of centrifugal fan efficiency.
Energy Efficient Operation: With a non-overloading power curve, airfoil fans maintain energy efficiency across a wide range of operating conditions, reducing overall energy costs and providing exceptional return on investment.
Durability: Constructed with corrosion-resistant materials, the airfoil centrifugal fan is built for long-lasting performance in harsh industrial environments, from underground mining to corrosive chemical processing facilities.
Low Noise: Airfoil fans operate quietly, making them ideal for environments where noise reduction is essential, such as cleanrooms, laboratories, occupied buildings, and noise-sensitive industrial areas.
Flexible Mounting Options: Available in both direct drive and belt drive configurations, the airfoil centrifugal fans can be customised for horizontal or vertical mounting depending on system requirements.
Benefits
Energy Savings: Airfoil fans help reduce electricity costs by up to 30% compared to other centrifugal fan types, providing a quick return on investment through reduced operational expenses.
Enhanced Performance: The airfoil blade centrifugal fan delivers reliable and consistent performance for demanding applications where efficiency and reliability are paramount.
Reduced Operating Costs: Long-lasting construction and low maintenance needs of airfoil centrifugal fans reduce total operational expenses over the fan's lifecycle.
Quiet Operation: The advanced airfoil fan blade design minimizes noise and turbulence, offering a quiet solution for environments like cleanrooms, offices, and residential-adjacent industrial facilities.
Performance Range &
Technical Specifications
Airflow
Up to 120m3/s (SWSI) and
215 m3/s (DWDI)
Impeller Diameter
310mm to 3050mm
Pressure
Up to 16,000 Pa (SWSI) and
7,500 Pa (DWDI)
Materials
Mild Steels (All Grades). Stainless Steel (All Grades). Exotic Materials.
Electric Motors
Efficiencies IE3 to IE5
Configurations
Arrangements (SWSI) 1, 3, 4, 4F, 7 8, 9
(DWDI) 3, 7
Impeller Type Comparison Table
SWSI & DWDI Configurations
The Airfoil Fan is available in two configurations to suit different airflow and pressure needs.
SWSI (Single Width Single Inlet)
Best suited for moderate
airflow requirements,
compact installations, and
higher pressure applications
where space is limited.
DWDI (Double Width Double Inlet)
Designed for high airflow
applications, typically used in
large HVAC systems, process
ventilation, and central
plant installations.
Industrial Fan Systems provides engineering support to select the optimal configuration for your system.
Technical Information
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The IFS Airfoil Fan models come in a range of sizes and configurations, designed for various applications:
Model Range: IFSAF-130 to IFSAF-320
Impeller Diameters: 310 mm to 3050 mm (for both SWSI and DWDI configurations)
Airflow:
Up to 120 m³/s (for SWSI fans)
Up to 215 m³/s (for DWDI fans)
Pressure:
Up to 16,000 Pa (for SWSI)
Up to 7,500 Pa (for DWDI)
This flexibility in fan models allows for tailored solutions to meet your system's requirements.
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The Airfoil Fan is built to last, with several construction features that enhance its performance and longevity:
Welded Construction: The impellers are welded for extra strength, ensuring high performance even in tough environments.
Fully Welded Fan Housings: Increases durability and prevents deformation.
Bearings Mounted with Adapter Sleeves: Ensures reliability and reduces the chances of wear and tear.
Double-Lip Seals: Enhance the fan’s seal integrity, preventing dust and debris from entering sensitive areas.
Protective Guards: Added to enhance safety and reduce the risk of damage to the fan components.
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Our Airfoil Fans can be customized to meet specific operational needs:
Split Housing: Provides easy access for regular inspections without disconnecting the ductwork.
High-Temperature Construction: Customizable for extreme temperature environments, ideal for industries like metal processing and furnaces.
Spark-Resistant Construction: Suitable for applications where flammable gases are present, ensuring safety in hazardous areas.
Inlet & Outlet Options:
Enhance the performance and control of your fan system with options like:Inlet & Outlet Dampers: Regulate airflow and improve energy efficiency.
Vibration Sensors: Used for predictive maintenance to ensure continuous operation and minimise downtime.
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Airflow: Up to 120 m³/s (SWSI) and 215 m³/s (DWDI)
Pressure: Up to 16,000 Pa (SWSI) and 7,500 Pa (DWDI)
Motor Power: 15 HP (for standard models)
Motor Speed: 1,500 RPM
Diameter: 310 mm to 3050 mm
Material: Stainless steel (corrosion-resistant)
Voltage: 460V
Noise Level: 60 dB (measured at 3 meters
Industries & Applications
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HVAC
HVAC ventilation that improves airflow, reduces energy use, and supports optimal indoor air quality efficiently.
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Industrial Processes
Control heat, dust, fumes, and boost energy efficiency across manufacturing operations.
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Mining & Smelting
Provides underground ventilation, dust control, and gas dilution, ensuring a safe environment for workers.
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Oil & Gas
Explosion-proof fans meeting ATEX/IECEx standards for use in hazardous areas.
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Recycling
Improve dust control, fume extraction, airflow efficiency, and ensure environmental compliance.
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Agriculture
Ensure climate control, humidity regulation, and air quality in barns, greenhouses, and storage facilities.
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Air Pollution Control
Customised designs for dust extraction, fume removal, VOC management, and emission control.
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Food & Beverage
Hygienically design fans for food processing, cold storage, and cleanrooms.
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Furnace & Oven
Ensure energy-efficient airflow, temperature control, and safety in kilns and furnaces.
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HVAC Systems
Reliable, energy-efficient fans for commercial and industrial HVAC applications.
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Manufacturing
Ensure reliable airflow, cooling, dust control, and energy-efficient operation in production facilities.
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Paper & Pulp
Industrial fans for paper and pulp mills, dust control, moisture management, and airflow for production & drying.
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Pharmaceuticals
Ensure air quality, filtration, and safety in controlled manufacturing environments.
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Spray Booths
Spray booth ventilation fans for fume extraction, overspray control, and odour removal.
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Tunnel Ventilation
Ensure efficient airflow and ventilation in mining, transport, and construction tunnels.
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Water Treatment
Ensure ventilation and airflow, odour control, corrosion resistance, and regulatory compliance.
The Airfoil Fan offers a unique combination of high-efficiency airflow, energy savings, and low maintenance. Its airfoil blade centrifugal fan design guarantees maximum performance in demanding environments, making it the ideal solution for industries like HVAC, mining, and food processing.
Warranty & Support
We stand by the quality and reliability of our products, offering both performance and workmanship guarantees. Our guarantees cover 12 months of operation or 18 months from delivery, whichever occurs first, ensuring peace of mind and confidence in our engineering excellence.
Warranty
Comprehensive fan selection and system design support services to ensure optimal fan performance throughout its service life.
Support Services
Certifications &
Compliance
This ensures the product complies with international standards for performance, quality, and safety.
ISO 9001
(Quality Management Systems)
ISO 14001
(Environmental Management Systems)
ISO 45001
(Occupational Health & Safety)
Why Choose Industrial Fan Systems?
Industrial Fan Systems combines proven aerodynamic design with Australian‑based engineering expertise. Our airfoil centrifugal fans are selected, tested, and supported to perform reliably in real‑world industrial environments.
ISO 5801 tested performance data
ISO13347-3:2004 for sound
Engineered for Australian and New Zealand conditions
Application‑specific fan selection support
On-site support
Ready to improve your industrial ventilation and reduce operating costs?
Our Products
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![Industrial-Fan-Systems-IFS-Products-PW-Paddle-Bladed-Centrifugal-Fans]()
Paddle Bladed Centrifugal Fans
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![Industrial-Fan-Systems-IFS-Products-Backward-Curved-Centrifugal-Fans]()
Backward Curved Centrifugal Fans
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![Industrial-Fan-Systems-IFS-Products-Backward-Inclined-Centrifugal-Fans]()
Backward Inclined Centrifugal Fans
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Radial Bladed Fans
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Radial Tip Fans
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High Pressure Fans
Frequently Asked Questions
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The Airfoil Fan features a backward-curved airfoil design, which maximizes static efficiency and reduces energy consumption by up to 30%, making it highly energy-efficient for industrial applications, especially in Australia's energy-conscious industries.
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The backward-curved airfoil blades in the Airfoil Fan help minimize operational noise, making it ideal for noise-sensitive environments like cleanrooms, offices, and quiet industrial areas.
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The Airfoil Fan is perfect for applications in industries like mining, HVAC, food processing, and pharmaceuticals, where high airflow efficiency, energy savings, and low noise are essential. It’s particularly suited for Australian mining operations and food processing plants.
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Yes, the Airfoil Fan is available in different configurations and can be optimized for high-pressure applications in industries such as oil & gas and HVAC, making it ideal for Australian industrial systems.
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The Airfoil Fan requires minimal maintenance due to its corrosion-resistant materials and durable construction. Regular checks on the motor, blades, and system balance are recommended to ensure long-lasting performance, with local support available in Australia for ongoing maintenance.
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The Airfoil Fan can be customized for use in hazardous areas with explosion-proof configurations compliant with ATEX/IECEx standards. Airfoil centrifugal fans with spark-resistant construction using non-ferrous materials are suitable for oil & gas and chemical processing industries in Australia where flammable gases may be present.
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With proper maintenance, the Airfoil Fan can provide reliable performance for over 10-15 years. The robust airfoil blade centrifugal fan construction ensures long-term durability in harsh Australian industrial environments like mining, food manufacturing, and continuous-operation HVAC systems.
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Yes, the Airfoil Fan can be customized to meet specific requirements such as size, motor power, and material type depending on the Australian industrial application, such as high-temperature environments or harsh conditions.
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Absolutely! We provide nationwide support across Australia for airfoil centrifugal fans, including installation, maintenance, and repair services. Whether you are in Sydney, Perth, Melbourne, Brisbane, or a remote mining area, our local team will ensure your airfoil fan systems continue to operate at peak efficiency.
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Yes, the Airfoil Fan is specifically engineered for use in Australian mining operations, providing effective ventilation, dust control, and gas dilution. It ensures safety and efficiency in underground mining and open-pit mining environments, where reliable airflow is crucial.