The BIFA Single Phase 2 Pole 22° 400mm bifurcated case axial fan is built for dependable performance in commercial ventilation systems. Available in diameters from 250mm to 1000mm, this fan is equipped with an IP55-protected motor featuring Class ‘F’ insulation, designed to handle ambient temperatures up to 200°C. Speed can be controlled using a transformer or inverter, provided the air temperature remains below 60°C. An IP55 terminal box is included, and the fan is suitable for environments with relative humidity up to 95%. Each unit is manufactured under BS EN ISO 9001:2015 standards and tested to BS 848 parts 1,2 and ISO 5801, with a 2‑year guarantee ensuring long-term reliability.