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. Exhaust fan installation and maintenance: a kitchen fan is indispensable key equipment kitchen exhaust fan specifications, recommended not installed in the ceiling, to be installed in the engine room and so on, roofing or exterior wall for easy maintenance of the place. Second, due to the long hours in the kitchen fan temperature, humidity, fumes gas. Regular maintenance is indispensable work. Failure: 1, the impeller blade leads to oily radian, how to use the exhaust fan angle deformation significantly decreased air volume total pressure parameters, reach exhaust requirements. 2, the impeller oil stains causes the impeller to lose balance, increase shock, damage to the bearings. 3, harsh environments parts easily rust, damaged fan. Factory exhaust fan, exhaust fan, liter by liter Rui Rui Electrical and Mechanical Ventilation and Air Conditioning Electrical Equipment Factory. 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!