- Robust aluminium ducting for use with mechanical ventilation and air conditioning systems.
- Suitable ducting for direct air supply to solid fuel stoves.
- Lightweight and easily fitted to external grilles.
- Fire resistant to BS476 Part 8 – 15 minutes.
FSRA081.5M – Rytons Semi Rigid Aluminium RytHose 82mm Dia. x 1.5m L
General Details
Size:
- 82mm Internal Dia. (90mm External Dia.).
- 1.5m L expanded (supplied compressed 410mm L).
Compatible Components:
- Rytons 6×3 Louvre & 74.5mm Dia. Backplate Set (RD3LVBG).
Composition:
- Single layer aluminium.
Temperature Range:
- Up to 300ºC.
Installation:
- Fully extend ducting and cut to length using a sharp knife and pliers. Seal joints with a good quality duct tape.
Reference Material:
- The Building Regulations F1 2021, Installation of ventilation systems:
- 1.76: Rigid ducts should be used wherever possible.
- 1.77: Flexible ductwork, where installed, should meet all of the following conditions.
- a. Only used for final connections.
- b. Lengths should be a maximum of 1.5m.
- c. Meet the standards of BSRIA’s BG 43/2013.
- 1.78: Any flexible ducts should be installed so that the full internal diameter is maintained and flow resistance is minimised. This is achieved by taking both of the following actions.
- a. Pulling the duct taut.
- b. Ensuring that ductwork does not pass through orifices with a smaller diameter than the duct itself.
- 1.79: Ductwork installations should be designed and installed to minimise the overall pressure losses within the system by taking all of the following steps.
- a. Minimising the overall length of duct.
- b. Minimising the number of bends required.
- c. Installing appropriately sized ducts for the air flow rate.
- Note: This approved document takes effect on 15 June 2022 for use in England. It does not apply to work subject to a building notice, full plans application or initial notice submitted before that date, provided the work is started on site before 15 June 2023.
- Rytons RytHose meets the requirements of BSRIA BG 43/2013.
Rytons is proud to be a family run business and British manufacturer since 1972
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