JBAF 防爆轴流风机(ⅡB)JBAF Flame-proof Type, Axial Flow Fan (ⅡB)  1. 爆炸性气体环境危险场所：1区、2区；2. 可燃性气体、蒸气级别：ⅡA、ⅡB；3. 温度组别：T1~T4。1. For the dangerous sites with explosive air mixture:1 division、2 division;2. Flammable gas, steam class：ⅡA、ⅡB4;3. Temperatures classification：T1~T4.  1.轴流风机由隔爆型电机、叶轮、风筒、保护网等组成；2.电机外壳由HT250制造，叶轮由铸铝合金制造；3.适用于50Hz、电压220V/380V生产场所通风排气之用；4. 钢管或电缆布线。1. Axial flow fan is made up of explosion-insulating type fan,vane, fan tube and protective net;2. The shell of motor is made of HT250 The vane is made ofcasting Al-alloy;3. Apply to ventilate and discharge air in 50Hz 220V/380Vproduction place;4. Steelpipe and cable wiring.产品型号直径（mm）功率（W）主轴转速rpm风量（m3/h）电缆外径/螺纹mm/G’角度额定电压30030018014502280Φ10~Φ143-420°380V220V40040037014502880500500550145057006006007501450870070070011001450102007507501500145010500产品型号/尺寸BΦ1Φ2Φ3Φ4300315310330350380400315410400450485500315510530550585600315610630650695700350710735765790750350760785815840