air-in®
FI EN ES PT
Air-In® supply air valves and noise reducers increase the comfort of living and save energy.
Air-In® supply air valves and noise reducers offer superior noise reduction values and the draught-free air quantities.

AIR-IN® OVERFRAME GAP VALVES

Air-In® Overframe gap valves are Finnish supply air valves installed in the gap between the window and the wall. The Air-In Overframe gap valve consists of an Air-In frame valve and a lead-through housing.

The overframe gap valve is often a good option for renovations as it can be easily installed in the existing overframe gap. No structural changes are required. The required minimum installation height is 12 mm.

Specifications

Air volume = K factor x √pressure

Product Air volume l/s
(pressure 20 Pa)
Draught-free air volume Noise reduction dB
Dn,e,w+Ctr
Opening size mm
Air-In 400 dB TR 130 7 6   400x12
Air-In 400 dB TR 170 7 6 49 400x12
Air-In 600 dB TR 130 8 7   600x12
Air-In 600 dB TR 170 8 7 46 600x12
Air-In 400 dB TR 130 Super 7 6   440x25
Air-In 400 dB TR 170 Super 7 6 51 440x25
Air-In 600 dB TR 130 Super 8 7   640x25
Air-In 600 dB TR 170 Super 8 7 50 640x25

Frame depth 130 or 170 mm
Also available for other frame depths; please indicate in the order.

Structural drawings