Rectangular multileaf dampers for volume flow and pressure control as well as for shutting off ducts and openings in walls and ceiling slabs

• Maximum dimensions of steel and stainless steel variants: 2000 × 1995 mm; of aluminium variant: 1200 × 1050 mm
• Casing air leakage to EN 1751, class C
• Aerofoil parallel or opposed action blades
• Steel and stainless steel variants: blades interconnected by external linkage (for parallel or opposed blade action)
• Aluminium variant: blades interconnected by gears (for opposed action)
• Installation with horizontal or vertical blades
• Available in standard sizes and many intermediate sizes
• Can be combined with external weather louvres