Product Type: Domestic
Twin wall insulated stainless steel multi fuel chimney system.
- Available with a variety of material options
- Weatherproof external casing
- Inner lining resistant to the corrosive products of combustion
- High thermal resistance
- Rapid stabilisation of flue temperature
SMW is a high quality pre-fabricated twin-wall stainless steel chimney system for use on domestic solid fuel and commercial gas and oil fired appliances. Manufactured from a corrosion resistant 316L stainless steel liner, 25mm high density insulation and 304 grade stainless steel outer casing to ensure many years of service together with rapid draught production and muli-barbed twist lock jointing system for ease and speed of insulation.
Suitable for applications where the flue gas temperature does not exceed 450°C continuous and 550°C intermittent and the chimney is designed to operate under negative pressure and dry conditions. Available in twelve sizes ranging from 127mm to 600mm internal diameter. This product is not suitable for condensing and positive pressure applications.
- Diameters:
- 125-600mm
- Construction:
- Twin wall
- Material:
- Stainless steel
- Temperature:
- 450°C continuous/ 550°C intermittent
- Pressure capability:
- 40Pa (N1)
- Mode of operation:
- Negative/zero pressure only
- Approvals:
- BS EN 1856-1 T450 N1 D Vm L50040 G(50)
2 hour fire rating to BS 476: Part 20 - Certifcation:
- CE
- Requirements:
- Ventilated support components must be used where the flue gas temperature exceeds 250°C and where the flue internally passes through a combustible floor. Where used for condensing and positive pressure applications up to 200°C, seals must be utilised.
- Gas fire appliances
Atmospheric/pressure jet commercial boilers - Gas fires - radian and inset to BS 7977-1: 2002
- Gas fires - back boiler to BS 7977-2: 2003
- Gas fires - decorative to BS EN 509: 2000
- Gas water heaters, Gas fired warm air heaters/cabinet heaters, Gas stove/cooker
- 28Sec/35Sec oil appliances
Pressure jet domestic and commercial heating boilers, water heaters, stoves/cookers - Solid/multi fuel
Heating boilers, Open/closed room heaters/stoves,Cookers, Inglenooks - Not suitable for positive pressure and condensing applications/appliances
