Ventilation plays a decisive role in mining and tunnelling projects during mechanised driving, drilling and blasting or refurbishment works. CFH Group offers axial or radial fans for ventilation, including sound insulation and accessories, for these projects. Axial fans from the CFH holding Korfmann Air Technology GmbH with impeller diameters from 300 to more than 3700 mm are used. All fans are carefully examined before delivery. The required approvals for national and international mining and tunnel construction have been obtained.
CFH Holds 100% of Korfmann-Lufttechnik Shares
On 1 October 2020, the CFH Group increased its stake in Korfmann Lufttechnik GmbH to 100%. As of January 1 2021, all sales activities in the field of ventilation will be handled by CFT GmbH Compact Filter Technic.
Korfmann Lufttechnik GmbH from Witten took over the fan construction division of Maschinenfabrik Korfmann GmbH in 2001 and has since then specialised in the sale and project planning of fans for underground use. Korfmann Lufttechnik has successfully designed and delivered almost 6,000 Korfmann fans for mining and tunnel construction worldwide since 2001. The predecessor company, Maschinenfabrik Korfmann, had previously manufactured a total of more than 30 000 fans for mining and tunnelling in over 120 years.
Since 2001, the fans and silencers have been manufactured exclusively by CFT GmbH Compact Filter Technic, also a wholly-owned subsidiary of CFH Group, so CFT and Korfmann can look back on many years of cooperation based on partnership.
On 1 October 2020, the CFH Group increased its stake in Korfmann Lufttechnik GmbH to 100%. From left to right: Michael Brenneke (Korfmann), Corinna Both-Kreiser (CFH), Reinhold Both (CFH), Knut Jansen (CFT), Jens Kegenhoff (Korfmann)