Circular air damper RG

RG – Manual dampers Adjustment of pressure in air duct branches (RG version). Finer adjustment than standard damper with RGP. Avoids full closure of a ductwork branch. Motor driven version. Class 4 upstream/downstream airtightness in accordance with EN 1571 up to 1500 Pa. Class C internal/external airtightness in accordance with EN 12237. Core and plates made of galvanised steel. RGP: perforated plate with 46% passage, Ø 5 holes. Adjustable, screw-lock handle. Upper jumper provides overlaid insulation.