Multileaf dampers

Rectangular multileaf dampers for volume flow and pressure control as well as for extremely low-leakage shut-off of ducts and openings in walls and ceiling slabs

• Maximum dimensions 1200 × 1000 mm
• Closed multileaf damper air leakage to EN 1751, class 4
• Casing air leakage to EN 1751, class C
• Aerofoil opposed action blades
• Closed cell side seals meet increased hygiene requirements
• Blades interconnected by gears
• Available in standard sizes and many intermediate sizes

Optional equipment and accessories

• Actuators: Open/close actuators, modulating actuators
• Powder-coated construction
• Anodised construction

Volets de dosage rectangulaires pour la régulation du débit et de la pression d'air, ainsi que pour la fermeture de sections de gaines et pour la fermeture d'ouvertures dans les murs et plafonds

• Dimensions maximales 1200 × 1000 mm
• Débit de fuite du caisson conforme à la norme EN 1751, classe C
• Ailettes aérodynamiques à action opposée
• Ailettes connectées entre elles par des pignons

Équipements et accessoires en option

• Servomoteurs : servomoteurs d'ouverture / fermeture, servomoteurs modulants
• Exécution en revêtement laqué
• Exécution anodisée

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 1200 × 1000 mm
• Closed multileaf damper air leakage to EN 1751, class 2
• Casing air leakage to EN 1751, class C
• Aerofoil opposed action blades
• Blades interconnected by gears
• Available in standard sizes and many intermediate sizes

Optional equipment and accessories

• Actuators: Open/close actuators, modulating actuators
• Powder-coated construction
• Anodised construction

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

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 2000 × 1995 mm
• Closed blade air leakage to EN 1751, classes 1 – 2, depending on size
• Casing air leakage to EN 1751, class C
• Aerofoil opposed action blades
• Blades interconnected by external linkage
• 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
• Powder-coated construction

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

Rectangular multileaf dampers for volume flow and pressure control as well as for extremely low-leakage shut-off of ducts and openings in walls and ceiling slabs

• Maximum dimensions 2000 × 1995 mm
• Closed multileaf damper air leakage to EN 1751, classes 3 – 4, depending on size
• Casing air leakage to EN 1751, class C
• Aerofoil opposed action blades
• Closed cell side seals meet increased hygiene requirements
• Blades interconnected by external linkage
• 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
• Powder-coated construction