- Connects 110mm x 54mm rectangular ducting to 100mm dia. rigid pipe for attachment to external grilles.
- Use with Female Threaded Hose Connector RD4HCF to attach 100mm dia. flexible RytHose range.
- For use in areas requiring lower extraction rates such as bathrooms, kitchens and utility rooms.
- Operating temperature range -15ºC to 60ºC.
- Manufactured in compliance with DW 154: Specification for Plastics Ductwork.
- Meets UL94 HB flammability standard.
RD4SFR – Rytons Short Round to Rectangular Adaptor Male (100mm Dia. / 110mm x 54mm Range)
General Details
Free Area:
- 100mm x 54mm end: 5,424mm² (54.24cm²).
- 100mm dia. end: 7,283mm² (72.83cm²).
Compatible Ducting and Components:
Airflow and Resistance:
- 8 l/s: 0.50 Pa.
- 13 l/s: 3.60 Pa.
- 21 l/s: 11.00 Pa.
- 30 l/s: 20.40 Pa.
- 60 l/s: 86.20 Pa.
- 120 l/s: 356.00 Pa.
Composition:
- White High Impact Polystyrene.
Reference Material:
- The Building Regulations F1 2021, Installation of ventilation systems:
- 1.76: Rigid ducts should be used wherever possible.
- 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.
Handling Information:
- Individual weight: 40g.
NBS Specification:
Rytons is proud to be a family run business and British manufacturer since 1972
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