OKA-A • Duct backdraught shutters

Galvanized steel circular backdraught shutters with aluminium blades for mounting in between 2 ducts

• CAIROX

• For airflow control in ventilation systems
• The aluminium blades will open when blades are exposed to overpressure and will shut again when pressure falls away thanks to a stainless steel mechanical spring
• Temperature usage up to 50°C

• Galvanized steel and aluminium

• Body made of galvanized steel
• Blades made of aluminium
• Stainless steel springs

• Galvanized natural finish

• It is recommended to install the shutter into horizontal ducting
• Shutter spindle should be vertical
• The shutter is installed into piping by simple slide-in

• OKA-A, 100

Explanation

OKA-A = Type of backdraught damper

100 = Connection diameter