Metaloterm MF 100mm Pipe

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Metaloterm MF 100mm Pipe
  • MF 100mm Pipe
  • MF 100mm Pipe Dims
£73.62 Inc. VAT
£61.35 Ex. VAT


MF system is a modular twin wall insulated flue/chimney system, made of stainless steel, incorporating a lip seal gasket.  This product is a typical pipe length used throughout the system.

MF is a universal flue/chimney system which is suitable for both high and low temperatures, non-condensing and condensing applications with flue gasses under positive and negative pressure. It is soot fire resistant, therefore the system is suited for a wide range of applications such as boilers, stoves and ovens. The product range also contains a wide variety of silencers.
For Passive houses the assortment provides the Iso-block which can be combined with MF. The system can also be used for CHP applications, in which case a special VITON® sealing ring is used.
Due to its proven quality MF has a 10 year guarantee.


  • Atmospheric gas-fired boilers
  • Condensing boilers
  • Wood-fired stoves
  • Industrial ovens

Technical characteristics

  • Application:- System Chimney/Connecting Flue Pipe
  • Operating mode:- Dry/Wet
  • Pressure:- N1/P1/H1
  • Max. working pressure:- 5000 Pa
  • Max. operating temperature:- 450°C (negative pressure - N1 applications) / 200°C (positive pressure - P1/H1 applications)
  • Soot Fire Resistant*:- Yes (see G designations below) / No (see O designations below)
  • Inner wall material:- AISI 316L/EN 1.4404
  • Inner wall thickness:- Ø100 - Ø250: 0,4, Ø300 - Ø400: 0.5mm / Ø450 - Ø700: 0,6, Ø800 - Ø1000: 0.8mm
  • Outer wall material:- AISI 304/EN 1.4301
  • Outer wall thickness:- Ø100 - Ø250: 0,4, Ø300 - Ø400: 0.5mm / Ø450 - Ø700: 0,6, Ø800 - Ø1000: 0.8mm
  • Insulation type:- Mineral wool
  • Insulation thickness:- Ø100 - 400: 25mm / Ø450 - 600: 37.5mm / Ø700 - 1000: 50mm
  • Fuel type:- Oil/wood/coal/wood pellets/gas
  • CE Approvals:- T200 P1/H1 W V2 L50040 O10 (Condensing)
  • T450 N1 W V2 L50040 G60
  • T450 N1 D V3 L50040 G60 (Scenario 1: Combustible Floor & Combustible Enclosure) /
  • T450 N1 W V2 L50040 G60, T450 N1 D V3 L50040 G50 (Scenario 2: Non combustible Floor and Non Combustible enclosure, or in Free Air)


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