Tunnel Fans
Double speed motor for daily ventilation and in case of fire
Galvanized steel sheet casing ( TS EN ISO 1461 )
Wire shield and integrated deflector
Outside terminal box
Highly efficient IE2 motor with Class-H insulation and IP55 protection
EN 12101-3 certified
Cvsair provides a variety of engineering services from analysis reports to implementations of tunnel ventilation ( fan selection program, CFD analyzes, etc. ). Tunnel fans are used for daily and exhaust ventilation. Engines with normal speed in daily use can double up the speed of rotation. With the sign of carbon monoxide and smoke sensors in case of fire.