4-72A 系列离心通风机type centrifugal fan
本系列风机具有较高效率、较低噪声、压力曲线平稳、使用范围广等特点，主要用于厂矿企业、体育馆、歌剧院、地下室、大小宾馆、酒楼、商场及大型建筑的室内通风换气，降温除尘等用途,也可以与其他各类机械设备配套作气体循环使用。输送的介质为空气和其它不自燃、对人体无害、无腐蚀性气体; B4-72采用防,爆电动机可作为易燃挥发性体的通风换气用,气体温度≤80°C ,气体内不允许有粘性物质，尘土及固体杂质s150mg/m3.
Featured by high efiency,low noise, wide use and steadypressure curve, 4-72 type is an ideal equipment for gas recycling,indoor ventilation & coolingin mining enterprises, coliseum operahouse, basement, large and small hotels, restaurants, shoppingmalls and major building. The transporting medium is air or othernon- spontaneous-combustion and non- explosive -combustionair with no harm to human. With an anti- explode motor, B4- t 72can use forventilation of volatile flammable gases. The airtransferred shall not contain any adhesive material, dust and grainand the concentration shall not exceed  150mg/m', with thetemperature no higher than 80C .