Vertical sliding door industrial door

sheet metalautomaticsecurity

Vertical sliding doors are used to close openings in the wall of medium-little size like windows or technical elevators of kitchens or industrial warehouses, conveyors in factories etc. in order to limit the fire spread. Metallic doors tested according to the standard UNI 9723 composed of leaf of single or more modular panels depending on sizes, flush joining of double metal sheet with special fire fighting core total thickness 80 mm sliding on lateral guide tracks and flame resistant anti-friction and anti-skid metal, recessed handle, without lock. Counter-weight on both sides for the self closing of the door with ropes and thermal fuse. Protection casing of counter-weights made of press-folded steel sheets with special labyrinths against fire and smoke penetration. Thermo expanding gaskets in all overlapping labyrinths. If ordered with electromagnet the thermal fuse is omitted. Primer varnishing with epoxy-polyester powders oven hardened light grey RAL 7035. Single pre-assembled unit (consider for handling). Packing on disposable one-way metal containers. Manufactured dimensions: minimum mm 300 x 500 H up to mm 3000 x 3000, bigger to request. Weight approx 45 kg. /sq.m. Conformity mark metallic label. Copy of certificate or homologation. Conformity declaration. Booklet with installation and maintenance instructions. Door suitable for internal uses to be installed either on one or the other side of a vertically aligned flush and plumb wall. Assemble by qualified staff only.