KORFMANN ventilation fans for ventilation during tunnelling and mining are delivered in diametres from Ø300mm up to Ø2800 mm. Korfmann can also offer monitoringsystems for tunnelventilation.
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Korfmann ventilation fans are of leading technology and have over 50 years of experience within mining and tunnelling in Europe.

Korfmann have delivered fans to most of the larger projects for more than 30 years (over 300 fans in Norway). Korfmann fans have a long life span due to excellent quality, which again will be good for the total economy of a project.

Korfmann ventilation systems and equipment are of modular design.
The ventilation systems can be extended by a wide range of accessories so that the ventilation systems supplied accommodate to the local requirements.