Wentech Profile (14) Blade

High efficient, ultra silent blade designed for operation with low rotational speed. Spatial shape allowes to reach high airflow parameters. Currently, its the only blade on the market that is compatible with the most strict low noise requirements. Available diameters: 1250 – 6700 mm (4 – 22 ft). Larger diameters are being tested – available from 2013r. Number of blades in impeller: 3 to 6 pcs. Maximum tip peripheral speed: 52 m/s.