Under normal circumstances, the exhaust should first cut off the air supply area of ??the Baoding reporting kitchen exhaust duct fans, so that the combustion air fan, but in accordance with the "high level of civilian health plan made nuisance fire standards" (GB50045-95,2001年版) 8 .4.11 bars and "car database, repair garages, brake library planning hinder fire standard" (GB50067-97) in 8.2.7 Limited Baoding kitchen exhaust duct fans, high-rise residential building located Kin smoke machine ground under no library room and car port directly dispersed Chu hinder fire district to the outside, when you set the machine exhaust system, the air supply system when Hou set to be the same. Air system blower and feed valve, in fire linkage should start Baoding kitchen exhaust duct fans, positive pressure area, smoke exhaust before signing out. Two-speed exhaust fan and exhaust mechanical electron source shall request the fire power supply. 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. 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. Performance exhaust fan; exhaust system used for basements, shopping malls, large fire district Baoding kitchen exhaust duct fans, long corridors, as well as in the natural smoke situation can not meet their needs plus mechanical exhaust system. Opening plus exhaust valve exhaust port form, plate electric exhaust port forms may also be normally closed. Fans can be used in conjunction with underground diversion. Basement, to be used in conjunction with the makeup air equipment. Exhaust fan model, Baoding exhaust fan, air conditioning provided by Chen Yu Chen Yu Wu City Air Conditioning Equipment Co., Ltd. Wu Cheng Chen-yu air-conditioning Co. (www.wccykt.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 Chenyu into the brilliant air conditioning and you work for a better future!