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aluminum ventilation damper

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aluminum ventilation damper aluminum ventilation damper - CL-SRR


  • Material:



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)

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