Purpose: DTF series fire temperature exhaust fan, both for the variety of building fire smoke, but also for a variety of construction, air defense projects, underground railways, mines, tunnels and other smoke and exhaust. ◆ The fan is designed with special high-temperature motor cooling system, the main air duct medium temperature of 280 degrees when the wind chassis can run continuously for 30 minutes or 150 degrees for long-term continuous operation. ◆ corrosion-resistant, has good water resistance fan steel outer surface sprayed with a new type of corrosion-resistant, water-resistant new materials supply wind chassis, the fan has a good performance in corrosion resistance, water resistance. Uses A Type: Motor external piping wind chassis, both for fire smoke, it may also be used for general ventilation. If equipped with two-speed motor, can usually achieve a low speed fan, ventilation as a general ventilation; and automatically to high speed when the fire with a fire smoke. Type B: motor built-in, can only be used for general ventilation. Because B-type machine with respect to the lower A-type machine noise, so only the fan is used for ventilation, may be preferred B-type machine silent air box air conditioning _ _ Ruixin Cheng Yi Rui Xincheng spring chassis by the Texas Air Conditioning Equipment Limited. Rui Xincheng Texas Air Conditioning Equipment Co. (www.dzrxckt.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!