Latest articles on Ventilation in tunnels 
FLÄKT WOODS FANS INSTALLED AS THE MAIN VENTILATION FOR THE HINDHEAD TUNNEL
(18/11/2011)
The main ventilation for the cross passage sections of the twin bore A3 Hindhead project has been supplied by Fläkt Woods. They installed a ventilation in the form of 43 of their 1120mm diameter JMTS horizontally mounted smoke vent category: 250 degrees C for 2 hour type jetfans to be mounted within the road tunnels, as well as 34 JM type axial fans. The project has completed the dual carriageway link between London and Portsmouth and removed a major source of congestion, particularly arou... [more]
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