RD4GG – Rytons Gravity Grille (100mm Dia. Range)
- General Details
- Related Products
- Low profile gravity grille with spigot for rigid pipe and flexible ducting.
- Gravity flaps open when appliance is in operation.
- Connects to Rigid Pipe RD4/RND and suits 100mm dia. RytHose range (or use RD4HCF).
- U.V. stabilised to slow down the effects of sunlight.
- Part of Rytons 100mm (110mm x 54mm) RytDuct® Range.
- For applications requiring lower extraction rates such as bathrooms, WCs and cooker hoods.
- Use with cooker hoods and extraction fans with a maximum output of 250m³ per hour.
- Suitable for working temperatures -20ºC to 60ºC.
- PLEASE NOTE: This item is a plastic component and therefore not suitable for use within the external walls of high-rise buildings requiring non-combustible materials, i.e. those 18m high or more complying to Regulation 7(2) and Approved Document B, and those 11m high or more complying to 2.7 of Building (Scotland) technical handbook 2019. For compliant alternatives, which includes our tailor-made design service, see Rytons A1 Fire-rated Ventilation Range.
- 155mm L x 155mm H x 16mm D with 99.5mm Dia. male spigot.
- Rytons Rigid Pipe 358mm L RD435RND.
- Rytons Rigid Pipe 1m L RD41RND.
- Rytons Rigid Pipe 1.5m L RD415RND.
- Rytons Rigid Pipe 2m L RD42RND.
- Rytons Threaded Hose Connector Female RD4HCF.
- Rytons PVC 100mm Diameter RytHose Range.
- Rytons Fire Resistant RytHose 100mm Dia. FAD410M.
- Rytons Semi Rigid Aluminium RytHose 102mm Dia. FSRA41.5M.
- 7,200mm² (72cm²) per unit.
- Brown: RD4GGBR (bagged RD4GGBRBG).
- White: RD4GGWH (bagged RD4GGWHBG).
- Terracotta: RD4GGTC (bagged RD4GGTCBG).
- Buff/Sand: RD4GGBS (bagged RD4GGBSBG).
Static Pressure Drops in Pascals (Pa):
- 15 l/s: 10.94.
- 30 l/s: 18.59.
- 60 l/s: 24.21.
- U.V. stabilised high quality plastic.
NBS Plus Specification: