intrinsically safe flashlights
Division 1& 2 : Zone 0 , 1 & 2 :
group A : Acetylene II C : Acetylene, Hydrogen
group B : Hydrogen II B : Hydrogen
group C : Ethylen II A : Propane
group D : Propane
Class I (Flammable Gases , Vapors or Liquids)
Class II (Combustible Dusts)
Class III (Ignible Fibers and Flyings) تائيديه استاندارد