Metal guillotine fire doors tested according to Standard UNE-EN 1634-1 and classified in accordance with Standard UNE-EN 13501-2 as fire resistant EI260, 90 and 120. Composed of leaves of 1.2 mm thick strips of galvanized sheet. Side guides where the bearings slide along the leaf’s anti-fall system. Adapting specific security/detection systems for conveyor belt installations.