... forGroups IIA,IIB,Temperature classes T1~T43,Designed for sites with explosive atmosphere, such as petroleum exploitation, refinery, storage, chemistry, ... noise, Low consumption, and secure the explosive proof performance.6,With flexible installation: Bracket type, Pipe line type, Post type, ... :G3/4"4,Cable's outer diameter:Φ9mm~Φ14mm5,Compliance with: GB 3836.1,GB 3836.2,IEC60079-0,IEC60079-1