1,、性氣體混合物危險場所:1區、2區1, gas mixture, dangerous places: Zone 1, zone 22、性氣體混合物:II6、IIB2, gas mixtures: II6, IIB3、溫度組別:T1-T63, temperature class: T1-T64、戶內、戶外4, Touchi, outdoor結構特點Structural characteristics1、鋁合金外殼壓鑄成型,表面噴塑;1, enclosure is made of casting aluminum alloy, surface is sprayed with plastics 2、如需要變徑時可特制;2, such as the need to change diameter can be customized 3、鋼管或電纜布線3, steel pipe or cable wiring