BSD系列隔爆型防爆视孔灯（IIB） 

 适用范围 Application 
 1区、2区危险场所。                                                    
 ⅡA、ⅡB、类爆炸性气体环境。              
 BAK51可配装白炽灯                                        
   产品特点 Features 
铸铝合金外客，BAK51压铸成形，BAK51表面喷塑。         
BSD视孔灯可根本用户要求做成聚光式，但在      
定货时请注明。                                                         
钢管或电缆布线均可                                          
符合GB3836-2000，IEC60079标准要求         

主要技术参数 Main technical parameBAK51ters 
BAK51 防爆标志                

BAK51防护等级                   

BAK51电缆外径（￠,mm）                  

BAK51进线口螺纹（G"）                

BAK51 灯座代号                 

BAK51质量（kg）
Ex-mark                   Protection                     Cable’s outside                   Inlet’s thread                   Lamp socket Mass       

grade                             diameter  
--------------------------------------------------------------------------------
          Exd Ⅱ BT4                 IP55                                10～14                                            3/4                                     E27                             1.75 
BSD配用光源 Supplied with lamps  BAK51外形尺寸 Outline dimension 
BSD产品型号                                     额定电压（v）           白炽灯额定功率（w）