Temperature exhaust axial fans, is widely used in high-rise buildings, underground garages, tunnels and other high-temperature gas emissions, according to the fire test standards GBJ54-82 determined, can work continuously at 400 ℃ high temperature above 100 minutes, under conditions of medium temperature 100 ℃ 20 hours of continuous operation without damage. Has been the major cities of the fire department and senior civil recommended. ? Fans of the series a unique design, compact structure, easy installation, low occupancy, the tube can be directly connected with the wind, horizontal, vertical, lifting can be. ? Product Model Description:? 1, the performance of the fan performance table is listed in the most efficient range of performance, according to the performance of the air volume is divided into five operating points, according to prevail in the selection of the performance table. Factory fan qualified under rated air flow, total pressure value error does not exceed ± 5%, the performance of the selection table is a performance standard state, regardless of the state performance standards are technical documents or ordering requirements prevail. ? 2, the fan installation can be divided into horizontal and roof type, such as when to air flow, total pressure, mounting dimensions and other properties have special requirements, our company will provide you with a separate design and production. ? 3, HTF-Ⅰ, HTF-Ⅱ, said pressure type fire temperature exhaust fan, leaf type with axial flow: HTF-Ⅰ (single speed) and HTF-Ⅱ (double speed) of two; HTF-Ⅲ, HTF-Ⅳ representation pressure fire temperature exhaust fan.? 4, HTF-X for silencer type fire temperature exhaust fan, the user can choose according to the actual needs of different species. ? 5, HTF-W Series rooftop fire temperature exhaust fan, the user can choose according to the actual needs of flame-retardant fiberglass hood or steel hood. ? 6, HTF-D for low pressure type fire temperature exhaust fan. ? 7, Special note: GYF and HTF series fan is similar products. ?