Unpowered wind driven roof turbine ventilator for factory Non-Powered Roof Fan Performance Parameters (No Power Turbine Fan)Machine NumberExhaust Outlet Diameter
(mm)Height
(mm)Number Of LeavesTurbine Outside Diameter
(mm)Ventilation Average Annual Wind Speed
(m/s) Exhaust Volume
(m3/min)MaterialsColour12"300350203403.4
(Level 3 Wind Speed)23Stainless Steel,
Color PlateTrue color,
color selection14"360580204603.4
(Level 3 Wind Speed)33Stainless Steel,
Color PlateTrue color,
color selection20"500500256203.4
(Level 3 Wind Speed)42Stainless Steel,
Color PlateTrue color,
color selection20"500720256103.4
(Level 3 Wind Speed)42Stainless Steel,
Color PlateTrue color,
color selection24"600630297203.4
(Level 3 Wind Speed)65Stainless Steel,
Color PlateTrue color,
color selection27"680950368803.4
(Level 3 Wind Speed)75Stainless Steel,
Color PlateTrue color,
color selection
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