Explosion-proof stainless steel cable protection conduit

Explosion proof stainless steel flexible hose with high quality Application industry 1.explosive gas environment: zone 1,zone 2 combustible dust: zone 20,zone 21,zone22 2.explosion proof marks:Exe II ,Exd II ,DIPA20 3.indoor,outdoor 4.Used in chemical industry, oil drilling, oil tankers, pharmaceutical, military and other dangerous places, as the outlet and inlet line of explosion-proof electrical connection or steel pipe wiring is difficult or vibration occasions connection