The WMIR Series dampers are circular iris regulation dampers. They find their application in all those cases where is required a precise and rapid measurement and regulation of the air capacity. The supporting structure contains a series of regulation sheets which can be operated by a nut or by a lever in the WMIR 80 model. The WMIR Series dampers also have a regulation scale and differential manometer plugs.

Technical data

• Supporting structure and regulation sheets in galvanized steel, other parts in plastic
• Inox structure AISI 316 on demand for corrosive or acid smokes
• Minimum and maximum dimensions from Ø 80 up to 800 mm
• Fixing by coupling with terminals already provided with airtight gaskets