Fan Specifications
Easily configure your spider metal fan today.
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The Truflo Technology


Truflo has been the global leader in production of metal twin-spider fans for over half a century. The robust design allows for higher tip speeds and greater cooling capability. Fabricated from sheet steel, a Truflo twin-spider fan is lighter and stronger than cast aluminum fan. A variety of blade widths and profiles ensures that there will be a Truflo fan option to meet your exact requirements. For HVAC applications where tip speeds and vibration is typically reduce, the Truflo single spider fan offers excellent performance at a reduced cost.


| Diameters | Blade Count | Blade Profiles | Blade Angles | Blade Materials |
| Min: 10in (250mm) Max: 72in (1830mm) | 2-11 Blades | Sickle Blade Parallel Blade Tapered Blade Ejector Blade Bellmouth Blade Learn More | 26° to 40° in 1° increments | Carbon Steel Stainless Steel 304 or 316 Aluminum |


Designed to fit your custom needs for accurate pressure and airflow down to the individual degree. Coupled with our various blade designs will create a solution that is perfect for your unique application.


AMCA 210 Wind Tunnel – One of the largest, accommodating fans up to 84in (2100mm) in diameter, ensuring Truflo’s fan test data is accurate and reliable.
Competitor Benchmarking – Perform back-to-back testing of fans for realistic performance comparisons.
Design Customization – Fan configurations matched to your precise duty point. Branded fans can include your corporate logos and colors. Bespoke fan blade profiling. Incorporate any fan mounting pattern or choose from a wide range of shaft hub adaptors. Fan strain testing available on/off site, including AMCA210 Wind Tunnel validation.