Turning vanes (HVAC)


HVAC turning vanes are sheet metal devices inside of mechanical ductwork used to smoothly direct air inside a duct where there is a change in direction, by reducing resistance and turbulence.

Turning vanes inside of large fire-resistance rated Durasteel pressurisation ductwork
Turning vane close-up

See alsoEdit

External linksEdit

  • Building Engineer Word Press Treatise
  • Turning Vane and Rail Construction Patent #US 3381713 A