广泛使用于宾馆、体育馆、学校、酒楼、影剧院、礼堂、高级民用住宅和工矿企业等消防及通风的场合，还可以配套于中央空调系统和环保净化系统。电动机外置式为消防通风兼用，电动机内置式为通风用。输送空气和其它不自燃、对人体无害、无腐蚀性气体，气体内不允许有粘性物质，所含的尘土及硬质颗粒物不大于150 mg/m。，作通风换气时进气温度不得超过80℃，HTFC系列作消防用时，烟气温度在280℃情况下能连续运行30分钟以上。

Widely used in fire fighting and ventilation of the hotelsstadiums,schools,restaurants, theaters, auditoriums, seniorresidential, industrial and mining enterprises of the occasion,you can also support in the central air-conditioning systems, andenvironmental purification system. Motor external ventilation forthe fire used along with the motor built-in ventilation. Airtransportation and other not spontaneous, non-corrosive gasesharmful to humans, and adhesive materials are allowed withinthe gas contained in the dust and hard particles should notexceed 1 50 mg /m’. For ventilation, intake air temperature shallnot exceed 80 ℃, The HTFC Series for the time of the fire, theflue gas temperature of 280 C under continuous run for morethan 30 minutes.