Efficient tunnel ventilation with Witt & Sohn
About WITT&SOHN Formed in 1945 Witt-Family in 3rd Generation Pre-eminent in Tunnel ventilation; Shipbuilding; Nuclear power plants; Chemical & General Industry Witt-family Factory in Pinneberg
About WITT&SOHN The WITT GROUP: WITT&SOHN AG LF (DK), 93 Fan Systems Ltd. (UK), 93 Meidinger AG (CH), 97 PSB (GER + UK), 98 Fläktcom (S), 03 Alldays Peacock (UK), 05 Witt&Sohn India (JV), 07 Kruger Witt Asia (JV), 07 1945 1900 1629 1950 Fan Systems Ltd. Meidinger AG
About WITT & SOHN Kruger Witt Asia Witt India Manufacturing Customers
Products for tunnel ventilation Axial fans Axial Fan Performance Q 1,500,000 m³/h D 3550mm Reversibility up to 100% Up to 12mm Casing Direct driven Various Accessories Heat Test ( 700 C)
Products for tunnel ventilation Jet fans Jet Fan Performance T 3,000 N D 1800mm Reversibility up to 100% Traditional Jet BANANA Jet Direct driven Various Accessories Heat Tests ( 400 C)
Products Jet fans Jet Fan Features Fully adjustable mounting structure, Safety locking design Terminals and cables tested for high temperature Sturdy welded silencers, well-protected outside and inside Large bellmouth for optimum efficiency Terminal box welded to fan casing, hot dip galvanized and painted No material mix! Supply of complete units incl. Mounting structure Casing in one part Drain holes for condensate
Products Jet fans Jet Fan Features Motors with special coating for tunnel applications High quality seawater resistant aluminium, coating not required Rigid motor support for low vibration levels Grease of motor bearings suitable for normal operation Tight, flexible and heat resistant multi-core cable
Documented Quality ISO9001 since 1992 by TÜV certified for more stringent KTA 1401 (Nuclear Plants) since 1976!! AMCA certified laboratory Comprehensive Document Package with Quality Record for each Fan In house material analysis
Documented Quality ISO 9001-Certificate AMCA-Certificate
References Reference Lists (Extract): Metros Road Tunnels Road Tunnels with BANANA Jet BANANA Jet Under Sea Road Tunnels
References Metro Project Metro Istanbul Metro Bucarest Metro de Lyon KRCR West Rail Metro Bangkok South Metro Toulouse Metro Delhi Metro Madrid RATP Renovation Country Turkey Rumenia France Hong Kong Thailand France India Spain France Year 1999 1999 1999 2001 2001 2002 2004 2006 2009
References Metro KCRC West Rail, HK Supplied Axial Fans: 41 x 2000 rev. 10 x 1400 rev. 36 x 1250 all 250 C/ 1h
References Road Tunnels Project Country Year Tunnel El Azahr Elbtunnel 4 th Tube Tunnel de Chavants S6 Semmering Dublin Port Tunnel Garlenda Allasio A11 Angers Bergen Ringveg Vest Brisbane Airport Link Egypt Germany France Austria Ireland Italy France Norway Australia 1999 2000 2001 2002 2003 2004 2007 2008 2009
References Road Tunnels Elbtunnel Concept by WITT&SOHN: Longitudinal Ventilation + Spot Extraction Cross-Section with Jet Fans Cross-Section with Dampers Longitudinal Section
References Road Tunnels Ventilation Building Control Room Fire Simulation Smoke extraction
References Road Tunnels with BANANA Jet Project Tunnel Balmenrain Tunnel Uznaberg Tunnel Moscow Lefortovo Tunnel Aubing Calle Embajadores con M40 Porte des Vanves (Paris) Palm Jumeirah Tugun Bypass Königshainer Berge Country Switzerland Switzerland Russia Germany Spain France U.A.E. Australia Germany Year 2003 2003 2003 2004 2006 2006 2007 2007 2010
References BANANA Jet Lefortovo, Moscow 52 x BANANA Jet 250 C/ 1h 6 x Exhaust 2240mm 600 C / 1h 4 x Supply 2240mm
References BANANA Jet Palm Jumeirah, Dubai 22 x BANANA Jet BANANA Jet (designed: 28 trad. Jets) 250 C/ 2h
References Under Sea Road Tunnels Project Elbtunnel Herrentunnel Wesertunnel Palm Jumeriah Oslo Tunnelen Bomlafjordtunnelen Nordkapp Tunnelen Hvalertunnelen Xiang An Tunnel Country Germany Germany Germany U.A.E. Norway Norway Norway Norway China Length 3.1 km 2.1 km 1.7 km 1.0 km 8.0 km 7.9 km 6.9 km 3.8 km 7.5 km
References Under Sea Road Tunnels Herrentunnel, Germany Length = 2.1 km
References Under Sea Road Tunnels Bomlafjord Tunnelen, Norway Length = 7.9 km
References Under Sea Road Tunnels Nordkapp Tunnelen, Norway Length = 6.9 km