Aluminum ventilation damper CL-SRR SERIES

stainless steelfor pressure relief

Overview The regulation dampers (DIN 1946/4) are used in ventilation systems for the exclusion of particular areas. Technical data Frame in galvanised steel sheet Z275, 1,5mm thick Tubular blades with special profile for the insertion of the internal frame also in galvanised steel sheet but 0,8+0,8mm thick Blade weight 200 mm External hinges for the damper regulation Bronze ringlets Command hinge ø18 mm Lateral fixing with stainless steel blades on each large blade Pressure loss test done following ISO 7244 regulations at the Giordano Institute (Test report N.136363) Generated noise levels test done following UNI EN 25135 regulations carried out at the Giordano Institute (Test report N.148829) Closing/Cut off Test DIN 1946/4 done again at the Giordano Institute (Test report N.147646)