Tunnel inlets


Other airinlets

Safe-let: variables supply air valve for each width. By combining multiple valves also tunnel valves can be produced to measure. Different models for different applications, price on request.


Safe-let Compact: variable in width, isolated, high-quality stone, very dense Finally, high air flow by flow-optimized design.         

Available in any desired format.

Available wit transparant door.

Price on request.





Special design for tunnel ventilation systems.

Air capacity:              36.000 m³/h by 25 Pascal
Size:                           1500x1600 mm