VK Gravity Louvre Shutter VK 40 460mm Sq

The Systemair VK Gravity Louvre Shutter is a square, wall-mounted backdraught shutter for exhaust air. Its profiled vanes create a strong upward force that lowers air resistance, so they open fully even at low air velocities and close automatically when the fan stops. It is manufactured from weather-resistant, UV-robust PVC. Square louvre shutter for vertical wall mounting For exhaust air, with automatic open and close of the vanes Profiled vanes open fully even at low air velocities Weather-resistant, UV-robust PVC Temperature range -30 to +60 degrees C (air velocity up to 12 m/s) Available in 10 sizes, mounting set included Suitable for Backdraught protection on wall-mounted exhaust outlets Preventing draughts and weather ingress when the fan is off InstallationMounts vertically on the wall using the included wall plugs and screws. Keep air velocity below 12 m/s. Specifications Brand Systemair Type Gravity louvre shutter (backdraught) Sizes VK10 to VK50 (10 sizes) Operation Automatic gravity open and close Material Weather-resistant PVC (UV-robust) Temperature range -30 to +60°C Max air velocity 12 m/s Colour Light grey RAL 7035 (VK10 white RAL 9010) Mounting Vertical wall (mounting set included) Warranty 1 Year Manufacturer Manuals & GuidesSystemair VK Louvre Shutter Datasheet