Two-speed fan at the top health nuisance exhaust system made use together is well known, type a lot of smoke and heat fire, and consume large amounts of air. On its harm to smoke staggering, roof exhaust fans, smoke in his mouth many types of toxic factor, even if the non-toxic, also may be due to burning to make hypoxia suffocating to death. Back to produce fire every thing, who burned to death, two-speed exhaust fan, most are also the first to be burned to death after a faint smoke, smoke when fire spread faster rate, the extent of up to 0.5-0. 8m / s, fire exhaust fan straight up to 6-8m / s. In the fire, one that is fire, then a nuisance, smoke. Is off the fire extinguishing, broken smoke source, harm, exhaust system supply was safe escape route and a favorable start the fire. HTF temperature exhaust fan is a mixed series, Quanzhou exhaust fan, fan performance between the new axial and centrifugal fans between the inlet collector fitted with silencers, the outlet is equipped with deflector, and designed as a secondary intake, help to reduce the ambient temperature of the motor. Temperature exhaust mixed flow fan with high efficiency, energy saving, low noise, compact, light weight, small size, reliable operation, easy installation, can run at 300 ℃ environment 1 hour, HTF series of high temperature exhaust fan fire Overview: HTF series fire temperature exhaust fan with excellent performance, high temperature performance, high efficiency, covering less than the centrifugal fan, easy installation and so on. HTF series fire temperature exhaust fan of "national fixed fire extinguishing systems and fire-resistant component quality inspection center" test qualified, the performance of the leading domestic level. High temperature performance: Fan Test conform GBJ45-82 Fire Code standards, established above the standards of corporate internal control assurance system to run more than 60 minutes continuously under high temperature 300 ℃ conditions, at a temperature of 100 ℃ for 20 hours / time does not damage, widely used in senior civil oven, underground garage, tunnels and other occasions. Quanzhou exhaust fan | Chenyu air conditioning | mixed flow exhaust fan by Wu Cheng Chen-yu air-conditioning Limited. Quanzhou exhaust fan | Chenyu air conditioning | mixed flow exhaust fan is wucheng Chenyu Air Conditioning Equipment Co., Ltd. (www.wccykt.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: sand manager.