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  • QC Twin Wall Gas Vent Flue

    Twin Wall Pre-fabricated Commercial Gas Vent Flue

    the SFL QC range is a twin wall air gap insulated zalutite & aluminium commercial gas vent chimney system designed for individual and modular natural draught gravity flow chimney applications.

    QC Twin Wall Gas Vent Flue - Twin Wall Pre-fabricated Commercial Gas Vent Flue
 

QC is a twin wall pre-fabricated commercial gas vent designed for use on gas fired naturally aspirated appliances which incorporate a draught hood and where the flue gas temperature will not exceed 250°C, where the chimney is designed to operate under negative pressure and dry conditions.

The product is available in five diameters ranging from 178mm to 355mm internal diameter. QC is manufactured with an aluminium liner and zalutite outer case, separated by a 25mm air gap. Utilising a multi-barbed twist lock jointing system, the QC product offers a strong joint and fast installation. This product is not suitable for condensing and positive pressure applications.

Additional Information

  • Designation 1: T250 N1 D Vm L11030 O(50)
  • Suitable Fuels: Gas
  • Application: Negative (N1)
  • Maximum Operating Temperature: 250°C
  • Positive Pressure Capability: 40Pa (N1)
  • Condensate Resistance (W): No
  • Distance to Combustible: 50mm
  • Sootfire Resistance: No
  • Corrosion Resistance: See Material Specification
  • Diameter Range (mm): 175mm, 200mm, 250mm, 300mm, 350mm
  • Inner Liner Specification: 0.3mm Aluminium
  • Insulation: 25mm Air Gap
  • Insulation Density: N/A
  • Outer Case Specification: Zalutite
  • Joint Design: 8 Barb Twist Lock with Locking Band
  • Environment: Internal and External (External limited to 3.0 metres maximum)

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