Multileaf dampers

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 2000 × 1995 mm
Casing air leakage to EN 1751, class C
Aerofoil parallel or opposed action blades
Blades interconnected by external linkage (for parallel or opposed blade action)
Available in standard sizes and many intermediate sizes
Can be combined with external weather louvres

Optional equipment and accessories

Actuators: Open/close actuators, modulating actuators
Explosion-proof construction with pneumatic actuator or spring return actuator
Powder-coated construction

JZ – Low leakage

Rectangular multileaf dampers for volume flow and pressure control as well as for low-leakage shut-off of 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
Closed blade air leakage to EN 1751, classes 1 – 4, depending on variant
Casing air leakage to EN 1751, class C
Aerofoil opposed action blades
Closed cell side seals meet increased hygiene requirements
Steel and stainless steel variants: blades interconnected by external linkage
Aluminium variant: blades interconnected by gears
Available in standard sizes and many intermediate sizes

Optional equipment and accessories

Actuators: Open/Close actuators, modulating actuators
Explosion-proof construction with pneumatic actuator or spring return actuator (not for JZ-*L-AL)
Powder-coated construction
Aluminium variant also as anodised construction

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