Steel rollers manufactured in conformity with the Atex directive and with ATEX marking.
They can be used in equipments intended for work in potentially explosive atmospheres, such as: Ex Group I, category M2 (for Mines). Ex Group II, category 2G (for Gas Zone 1) and 2D (for Dust Zone 21). Ex Group II, category 3G (for Gas Zone 2) and 3D (for Dust Zone 22).