二、適用范圍 Application 1.1區(qū)、2區(qū)危險氣體場所; 2.IIA、IIB類T1-T4組爆炸性氣體或蒸氣環(huán)境; 3.戶內、戶外(IP54)。 1.Hazardous:division 1&2; 2.Explosive gas atmospheres T1~T4:IIA、IIB grade; 3.Indoor and outdoor(IP54). 三、產品特點 Characteristic 1、鋁合金外殼壓鑄成型,表面噴塑,外型美觀; 2、采用活節(jié)螺栓緊固,快速開蓋,更換燈泡方便; 3、鋼管布線。 1.Enclosure is made of casting aluminium alloy,suface is sprayed with plastics and it is with beautiful exterior; 2.The lamps adopt the slipknot fixture bolt,it is easy to quick open cover and changing light source; 3.Connection with tube or through wiring. 四、外型及安裝尺寸Dimensions