Range; (1): Fans join pipes and air-conditioning installation within cf type kitchen exhaust duct fans, noise is less than 70dB (2): Alternative 2000pa low centrifugal fan following, can be widely used in industrial, civil ventilation and dust and so on. MHL3-2A, MPYH-14A (MHTFL-14A) Francis two-speed high-temperature exhaust fan only has the HL-3-2A-type fan function, and can operate at normal ambient temperature around 280 ℃ 0.5 hours for both ventilation, there can play a dual role in high-temperature exhaust, etc., suitable for underground tunnels, underground shopping mall fire exhaust fan roof, underground storage facilities, such as fire protection, by design institutes and user choice. Use; 1.MHL3-2A, MPYH-14A (MHTFL-14A) Francis two-speed high-temperature exhaust fan for tunnels, underground garage, metallurgy and other high-temperature exhaust, in the case of fire fire exhaust fan price, quickly exhaust cooling, fire into the disaster area to assist firefighters, fire safety is an essential facility. 2, the type of gas transportation: air and other non-natural, harmless, non-corrosive gases just now, in special circumstances, the choice of explosion-proof Francis fan. 3, impurity gases inside: adhesive materials are allowed within the gas contained in the dust and hard particles should not exceed 150mg / m3. 4, the temperature of the gas: MHL3-2A, MPYH-14A (MHTFL two-speed exhaust fan fire, Pingdingshan exhaust fan, Chen Yu-conditioned factory outlets provided by Wu Cheng Chen Yu Air Conditioning Equipment Co. wucheng Chenyu air conditioning equipment is limited. Company (www.wccykt.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chenyu air conditioning and you hand in hand into the brilliant, for a better future!