Systemair have manufactured jet fans for the 1km twin tube  Klimkovice tunnel on the D1 motorway in the Czech Republic.  There are 16 jet fans in total each one is 1120 mm in diameter, has 27 kW motor power and a fire rating of F400. Systemair fans were chosen because they are resistant to extreme environments and are classified as C5-I as specified by ISO EN 12944-2.




All units are manufactured in stainless steel EN 1.4571 with their motor and impeller painted in order to comply with the corrosion classification. A SAT (Site Acceptance Test) has been carried out by the Road Authority.  Click here and cz/35 for the tunnelbuilder archive. For further information about Systemair and their products visit https://www.systemair.com. 42/19.