The BIFA Single Phase 4 Pole 34° 315mm fan is engineered for reliable commercial ventilation applications. Available in sizes from 250mm to 1000mm in diameter, this bifurcated case axial fan is built with IP55-protected motors and Class ‘F’ insulation, ensuring dependable operation in environments with ambient temperatures up to 200°C. When used in conditions not exceeding 60°C, fan speed can be regulated via transformer or inverter. The unit is fitted with an IP55-rated terminal box and is designed for use in areas with relative humidity up to 95%. Manufactured to BS EN ISO 9001:2015 standards, each fan is performance tested in accordance with BS 848 parts 1 and 2 as well as ISO 5801. This product includes a 2‑year guarantee for added assurance.