适用范围Application 1区、2区危场所. IIA、IIB、IIC类爆炸性气体环境 Can be used Zone 1 and Zone 2 dangerous places. Can be used in IIA,IIB,IIC group explosive atmosphere. 产品特点 Features 防爆标志:Exd II. 防护等级:IP55. 铸铝合金外壳,表面喷塑。 采用管螺纹联接。 密封性、防爆性能均极好。 符合GB3836-2000,IEC60079。标准要求。 Explosion-proof mark:Exd II. Protection grade:IP55. The shell is made of diecasted Al-alloy with plastic-sprayed sunface. Adopt the comection of pipe thread. Wellsealing,explosion-proof. Suitable for GB3836-2000,IEC60079 standard request.