Rapid Roller Door Specification
Harlech speed-gard rapid doors are a self-bearing structure realised with pressed sheet profile in hot galvanised steel. Border for shoulders in rigid black PVC profile to reduce wear and tear of the mantle. Flexible mantle in PVC double coated polyester fabric, class 2, self-extinguishing fire proofed, provided with heat welded pockets for reinforcing pipes and 1 row of transparent windows on 3rd sector at eye line as standard. Reinforcing pipes in galvanised steel against wind & sinking, fitted into heat welded pockets on the mantle, easily sliding in case of crash, to be straightened or
replaced. Flanged tubular galvanised shaft, rolling on supports provided with self-aligning bearings. Self-breaking asynchronous three-phase motor 0.75kw, power supply 230v with triangular connection, complete with protection crankcase. Rotary limit switch with double cams (open, close & safety). Control box ‘4S’, multifunction in compliance with CEI norms with integrated keys. Power supply 230v. Single-phase with frequency changer by inverter. Speed acceleration ramps in opening and closure, adjustable by trimmer. Opening and closure speed adjustable by trimmer. Partial opening settable by trimmer. Monitoring of inputs through led. customizable functions. Possibility to work also in case of power failure or breakdown, so without electricity, through specific backup board power is supplied by external battery back up. Release motor lever and hand crank for emergency manual opening in case of power failure or breakdown. 1 pair of standard directional photocells, 2 flashing lights 230v. Electronic safety edge in conducting rubber with self-checking board. External start push button & emergency stop red mushroom button. Speed of 1.2 metres covered per second.