RD41RND – Rytons Rigid Pipe 1m L (100mm Dia. Range)

General Details

RD41RND – Rytons Rigid Pipe 1m L (100mm Dia. Range)

  • 1m length of 100mm dia. rigid ducting pipe.
  • Female component.
  • Use component RD4SFR to connect to 110mm x 54mm rectangular ducting.
  • 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 V-0 flammability standard.


  • 100mm Int. Dia. x 103mm Ext. Dia. x 1m L.
  • 358mm, 1.5m and 2m lengths also available.

Free Area:

  • 7,855mm² (78.55cm²) per unit.

Compatible Components:

  • Rytons Pipe/Hose Connector RD4CONN.
  • Rytons Pipe/Hose Connector with Damper RD4CDAMP.
  • Rytons Galvanised Banding (12mm W x 10m L) BANDGALV.
  • Rytons Round Clip FD4CLIP.
  • Rytons 90° Elbow Pipe Connector RD4PC.
  • Rytons 45° Elbow Pipe Connector RD445PC.
  • Rytons 3 Way T Piece RD4TRND.
  • Rytons Condensation Trap with Overflow RD4TRAP.
  • Rytons 125mm to 100mm Reducer RD4REDUC.
  • Rytons 150mm to 100mm Reducer RD46REDUC.
  • Rytons Threaded Hose Connector Male RD4HCM.
  • Rytons 90° Elbow Bend RD4EB.
  • Rytons Short Round to Rectangular Adaptor Male RD4SFR.
  • Rytons Circular Wall Plate INTPLATE.
  • Rytons 100mm dia. range of external grilles.

Airflow and Resistance:

  • 8 l/s: 0.15 Pa.
  • 13 l/s: 0.40 Pa.
  • 21 l/s: 0.87 Pa.
  • 30 l/s: 1.40 Pa.
  • 60 l/s: 3.10 Pa.
  • 120 l/s: 6.78 Pa.


  • 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: 12 lengths.
  • Individual weight: 664g.

NBS Specification:

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

Quote Request


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In case of query please call 01536 511874, thank you.

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