RD42M – Rytons Flat Channel Duct 2m L (110mm x 54mm Range)

General Details

RD42M – Rytons Flat Channel Duct 2m L (110mm x 54mm Range)

  • 110mm x 54mm rectangular ducting 2m long.
  • Male 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.
  • Will meet UL94 HB flammability standard.

Size:

  • 110mm W x 54mm H (overall external) x 2m L.
  • 1m lengths also available RD41M.

Free Area:

  • 5,424mm² (54.24cm²) per unit.

Compatible Components:

  • Bends and Connectors:
  • Rytons Rectangular Wall Plate RD4WP.
  • Rytons Short Round to Rectangular Adaptor Male RD4SFR.
  • Rytons Flat Channel Horizontal Adaptor RD4FR.
  • Rytons 90° Elbow Connector RD4EC.
  • Rytons 90° Elbow Bend RD4EB.
  • Rytons Flat Channel T Piece RD4TFLAT.
  • Rytons 90° Horizontal Bend RD4H90.
  • Rytons 90° Vertical Bend RD4V90.
  • Rytons Flat Channel Connector RD4C.
  • Rytons Galvanised Banding (12mm W x 10m L) BANDGALV.
  • Rytons Flat Channel Duct Clip RD4CLIP.
  • External Grilles:
  • Rytons Multifix® Air Brick with Flat Channel Ducting Adaptor RD4MFAB.

Airflow and Resistance:

  • 8 l/s: 0.40 Pa.
  • 13 l/s: 3.60 Pa.
  • 21 l/s: 9.60 Pa.
  • 30 l/s: 17.12 Pa.
  • 60 l/s: 66.20 Pa.
  • 120 l/s: 256.10 Pa.

Composition:

  • White uPVC.

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:

  • Box quantity: 10 lengths.
  • Individual weight: 148g.

NBS Specification:

Rytons is proud to be a family run business and British manufacturer since 1972

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