Fire temperature exhaust fan features: excellent high temperature performance, high efficiency, easy installation, reliable operation (to produce single-speed, two-speed, frequency stepless rooftop exhaust fan fire and explosion Fire-type special fan) and get Fire product license. Uses: High-rise buildings, ovens, tunnel box, underground garage and special industrial and mining enterprises and other fire temperature exhaust, exhaust. Specifications: Fan diameter: Φ350 ~ 1500mm air volume: 3350 ~ 93800 m3 / h Pressure 280 ~ 819Pa. At rated speed exhaust fan, exhaust fan in the work area price, fan pressure curve measured with the description given in the curve should meet the following requirements: axial-flow exhaust fan at a predetermined flow rate, corresponding to The pressure deviation of ± 5%. Centrifugal exhaust fan at a predetermined flow rate, corresponding to the pressure deviation of ± 5%. A sound level than the exhaust fan noise limits in the specification given operating point should meet the requirements under the JB / T8690-1998 the exhaust fan Applications | exhaust fan | liter from up Rui Rui Electrical and Mechanical Ventilation and Air Conditioning Electrical Equipment plant available. L Rui HVAC Electrical Equipment Factory (www.dzsrxfkt.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Swiss mechanical and electrical liter into the brilliant and you work for a better future!