RD4H90 – Rytons 90° Horizontal Bend (110mm x 54mm Range)
RD4H90 – Rytons 90° Horizontal Bend (110mm x 54mm Range)
General Details
- 90° horizontal bend for 110mm x 54mm rectangular ducting.
- Female component.
- 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.
Free Area:
- 5,424mm² (54.24cm²) per unit.
Compatible Ducting:
Airflow and Resistance:
- 8 l/s: 2.00 Pa.
- 13 l/s: 8.40 Pa.
- 21 l/s: 22.80 Pa.
- 30 l/s: 39.80 Pa.
- 60 l/s: 161.90 Pa.
- 120 l/s: 635.00 Pa.
Composition:
- White Polypropylene.
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: 120g.
NBS Specification:
Rytons is proud to be a family run business and British manufacturer since 1972
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