VK-A • PVC backdraught shutters

Backdraught shutters for surface mounting with aluminium frame and PVC blades

• For air exhaust in any type of installation.
• The blades will open when the shutter is exposed to overpressure. Pressure of 20 Pa for air speed of 2m/s, 25 Pa for air speed of 3m/s, and 30 Pa for airspeed of 4m/s

• Aluminium and PVC combination

• Mounted by invisible screws behind the blades

• Screws (included)

• The air exhaust shall be effectuated through backdraught shutters, surface mounted with PVC blades and solid aluminium frame. The blades will open at a pressure of 20 Pa for air speed of 2m/s, 25 Pa for air speed of 3m/s, and 30 Pa for airspeed of 4m/s
• Finish RAL 7015
• ATC Type VK-A

• VK-A 310 X 310  

Explanation

VK-A = Type grill

240 X 240 = Exterior size grill