Swing industrial door

galvanized steelsheet steelautomatic

Big rotation doors are used in case of large openings in fire rated walls of buildings like industrial warehouses, factory sheds, malls, garages, hangars, fair halls and similar where forklifts or bigger transportation means or goods have to pass through. Gates of this type are used when for reason of encumbrances it is not possible to install sliding gates which cost less. Big rotation doors tested according to the standard UNI 9723 to install on reinforced concrete or masonry walls. High resistance tubular steel frame on 3 sides with holes for fixing with expansion screws. Leaves made of continuous modules of galvanized double steel sheet, flush joints with screws, insulated with fire rated core total thickness of leaf 72 mm. with 2 extra strong hinges per leaf (or 3 if required by dimensions). 1 overhead hydraulic doorcloser large size per leaf with regulation of opening force, closing speed, and final closure, silver color. Coil spring with mechanical functioning for larger sized leaves to increase the closing force positioned at top on the pull side of leaf. The steel tension cable is fastened to the upper part of frame, finishing in the same color of door. Thermo-expanding gasket along perimeter of frame. CE marked lock with tongue and turns and black safety handle with steel core with plates key. 2 leaves doors include closing regulator type in sight and in secondary leaf, mortise lock and self-blocking device with rods closing at top and floor. Finishing with epoxy-polyester powders oven hardened RAL 7035 tone, Maximum opening 120° with doorcloser only, 110° if with additional coil spring. Packing on disposable one-way metal containers.