The flexible air ducts are designed for separate ventilation. Flexible air ducts have wide-range field of utilisation: For environments with danger of explosion of all categories, for undergroud mines, tunnels, collectors, galleries and air conditioning. Flexible air ducts are welded by hot air and the diameters and lengths comply with customer´s needs. Air ducts are certified by TLO, a.s. Opava.
 

Overpressure flexible air ducts Miflex for enviroment with high methane explosion hazard ranged in SNM, test overpressure 16 000 Pa. Recommended length of the air duct is maximum 100 m. ventilation ducts are flexible and they are connected by insetting to each other (without any clamps or steel rings). 
 

Universal flexible air ducts Uniflex for enviroment with high methane explosion hazard ranged in SNM, working suction pressure variant A-3 000 Pa, variant B-5 000 Pa, variant C-7 000 Pa, variant D-9 000 Pa. Recommended length of the air duct is maximum 20 m. ventilation ducts are flexible and they are connected by insetting to each other (without any clamps or steel rings).
 

Connection of the flexible air duct for operation service by system RIFLEX.