Opposed blade dumper made of galvanized steel GP

GP backward multi-blade dampers are used for adjusting the air flow through the ventilation grilles or diffusers in medium and low pressure ventilation install ations.  Air flow adjustment – GP damper may be adjusted manually from the front side of a diffuser or grille. Dismantling is not required. The adjustment is carried out by switching the cogged wheels gear mechanism by means of a flat bladed screwdriver.