For regulation and measuring of air flow.
EKO-SI is a damper for the exact and quick air flow measuring and regulation. EKO-SI is composed of regulation plates, regulating nut, regulation scale, manometer connections and casing. The joining collers are supplied with a rubber sealing gasket and the damper have tightness class C. EKO-SI is fully openable for cleaning of duct. For higher safety when adjusting the regulation nut is of metal.