Presentations

---

General presentations

• Reducing engine room fans operating costs
  Basics Energy Efficient Fans.pdf
• Industrial fans - Tolerances, methods of conversion and technical data presentation
  Summary_tolerances.pdf
• Nuclear Power Plant Ventilation
  Fans for nuclearpowerplants_en.pdf
• Range of fans I
  Product range_witt_d.pdf
• Range of fans II
  Product range_witt_e.pdf
• Orang Utan
  orang_utan.pdf

Stall - the phenomenon and some solutions

• Stall and parallel operation of axial fans (english version)
  Parallel_stall_md_en.pdf
• Stall and parallel operation of axial fans (french version)
  Parallel_stall_md_fr.pdf
• Stall and parallel operation of axial fans (german version)
  Parallel_stall_md_de.pdf

Tunnel presentations

• Tunnel Ventilation
  Tunnel Ventilation.pdf
• Jetfan outletspeed
  Jetfan_outletspeed_en.pdf
• Banana Jet fans - The revolution of jet fan design
  Banana Jet_The revolution of Jetfan design.pdf
• Road tunnel ventilation
  Fans for Road_Tunnel_Design.pdf
• Metro tunnel design
  Fans for Metro_Tunnel_Design.pdf
• Wind tunnel fans
  Axial fans in wind tunnels_en.pdf
• Tunnel Seminar for operators
  Tunnel_Seminar_for_Operators.pdf