Fans are certified for “Sound & Air Performance” based on tests and procedures performed in accordance with AMCA Publication 211 & AMCA Publication 311; Casing is made of MS and is double flanged; impellers are made of cast Aluminium having manually adjustable pitch blades. The impellers are statically and dynamically balanced to ISO 1940 and AMCA 204 G2.5. Discernible Features: Fan Size: 500 to 1600 mm Flow rates up to 120000 cmh Pressures up to 1000 Pa ApplicationUsed in industry for providing general ventilation, fume extraction and removal of hot spots. HUMIDIN offers a most economical and efficient installation for industry such as Thermal Power Stations, Fertilizers, Heavy engineering, Chemical, Textile, Food general, Paper, Sugar and Pharmaceuticals etc. Special Application Axial Flow Fans are also available for Fire Application for the following range: 250ºC for 2 hrs 300ºC for 1 hr 300ºC for ½ hr Please refer to our complete product catalogue for further detail Click Here