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Radiator fans must operate under strict constraints, delivering the required airflow and pressure within fixed limits on diameter, speed, power, noise, and available space. Blade profile, pitch angle, hub configuration, material, and rotation all influence performance.

Radiator fans

We customise radiator fans for demanding mobile and stationary engine-cooling applications.

We work closely with radiator manufacturers, equipment OEMs, and cooling-system designers to develop fan configurations around the complete installation. By considering the radiator core, shroud, airflow resistance, available space, drive speed, and operating conditions together, we can help specify a fan that delivers the required cooling performance without unnecessary power consumption or noise.

 

This is especially important in mobile equipment operating in dusty, debris-heavy environments. As material collects on the radiator core, resistance increases and the fan must work against changing system pressure. We therefore select the fan for the expected operating range, rather than only for a clean radiator, helping it maintain effective airflow as conditions become more restrictive. Where appropriate, a reversible configuration can also help clear debris from the radiator face.

 

Multi-Wing’s modular axial impellers give us a wide range of blade profiles, hub sizes, pitch angles, blade counts, and materials to work with. These variables can be combined to match the required airflow and pressure while remaining within the application’s limits for diameter, speed, power, noise, and durability.

 

This flexibility supports new cooling-system development, replacement applications, and complete radiator and fan assemblies. The result is a solution configured to fit the available space, suit the drive and rotation, and perform reliably across the equipment’s working range.

Pressure

+1,000 Pa

Diameter

324–2,000 mm

Blade material

5 options

Configuration

40 profiles
Engineered for your constraings

Smarter, more adaptable radiator fan solutions

Send us your radiator fan requirements, or the complete cooling-system brief, and we’ll help develop the right solution. Through our collaboration with radiator manufacturers, we can supply either a fan configured for an existing radiator or a complete radiator and fan assembly matched to the application.

Need a radiator fan recommendation?

© 2026 Inventive Air Designs (Pty) Ltd. All rights reserved.

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