RD5GG – Rytons Gravity Grille (125mm Dia. Range)

General Details

RD5GG – Rytons Gravity Grille (125mm Dia. Range)

  • Low profile gravity grille with spigot for rigid pipe and flexible ducting.
  • Gravity flaps open when appliance is in operation.
  • Connects to Rigid Pipe RD51RND and suits 125mm dia. RytHose range (or use RD5HC).
  • U.V. stabilised to slow down the effects of sunlight.
  • Part of Rytons 125mm (204mm x 60mm) RytDuct® Range.
  • For use in conjunction with cooker hoods and extraction fans with a maximum output of 500m³ per hour.
  • Suitable for working temperatures -20ºC to 60ºC.


  • 155mm L x 155mm H x 13mm D with 125mm Dia. male spigot.

Compatible Components:

  • Rytons Rigid Pipe 1m L RD51RND.
  • Rytons PVC 125mm Diameter RytHose Range.
  • Rytons Fire Resistant RytHose FAD510M.
  • Rytons Semi Rigid Aluminium RytHose 127mm Dia. FSRA51.5M.

Free Area:

  • 11,600mm² (116cm²) per unit.


  • Brown: RD5GGBR (bagged RD5GGBRBG).
  • White: RD5GGWH (bagged RD5GGWHBG).
  • Terracotta to order.
  • Buff/Sand to order.

Static Pressure Drops in Pascals (Pa):

  • 15 l/s: 6.43.
  • 30 l/s: 9.91.
  • 60 l/s: 11.25.


  • U.V. stabilised high quality plastic.