9-14系列适用于锻冶炉及高压强制通风。并可广泛应用于输送物料，输送空气及无腐蚀性不自燃、不含粘性物质气体，介质温度不能超过80℃，介质中所含尘土及硬质颗粒物<150mg/m³。

9-14 series apply to the blacksmith furnace and high-pressureforced ventilation. Can be widely used in the transportation ofmaterials, not spontaneous combustion air transportation andnon-corrosive,free of the viscous material gas, the mediumtemperature can not exceed 80 "C,the medium contained in thedust and hard particles <150mg/m³.