9-12高压离心通风机是化铁炉和纸箱机械专用的高压离心风机。输送气体应无腐蚀不自燃、不含粘性物质的气体，输送介质温度一般不超过80℃，介质中所含的尘土及硬质颗粒≤150㎎/?.

九洲9-12系列高压风机是化铁炉和纸箱机械专用的高压离心风机。输送气体应无腐蚀性不自燃，不含粘性物质的气体，输送介质温度不超过80摄氏度，介质中所含的尘土及硬质颗粒不大于150mg/m3.
9-12 type is the professional fans designed for cupola furnace and carton machine. The air transferred shall not contain any corrosive, not spontaneous combustion and adhesive material, dust and grain and the concentration shall not exceed 150mg/m3, with the temperature no higher than 80C.