Skip to main content

TWIN WALL: DW25

Twin wall flue system in stainless steel internal AISI 316L external AISI 304 - insulation in rockwool thickness 25 mm

The DW25 twin wall flue system is made up of rigid modular components with a BA glossy finish , manufactured with an internal wall in AISI 316L stainless steel with a minimum thickness of 0.4 mm and an external wall in AISI 304 stainless steel, compliant with CE marking to EN 1856/1 European standard. The insulation is 25 mm thick high-density rockwool, inserted between the walls without seals between them (thermal bridge). The modular components have a classic male-female socket coupling calibrated for both walls with a triple lip seal to be inserted In the internal wall, and mechanical joint with safety band compliant with European legislation EN 14241-1.

DESIGNATIONS OF USE

Click on the designation to find out the related usage specifications
Designation T200 H1 W V2 L50040 O30 (resistance up to 5000 Pa with seal)
RESISTANT TO CONDENSATION

YES

INTERNAL WALL
AISI 316L
OUTER WALL

AISI 304L

INSULATION

Rock wool

INSULATION THICKNESS

25 mm

DIAMETERS

⌀ 80 ÷ 300

TEMPERATURE LEVEL
200 °C  
PRESSURE LEVEL
H1 = 5000 Pa
GAS APPLIANCES
RECOMMENDED
GAS CONDENSING APPLIANCES
RECOMMENDED
OIL APPLIANCES
RECOMMENDED
WOOD-BURNING APPLIANCES
NO
PELLET APPLIANCES
RECOMMENDED
GAS COOKER HOODS
POSSIBLE
VENTILATION
POSSIBLE
OUTDOOR INSTALLATION
RECOMMENDED
INDOOR INSTALLATION
RECOMMENDED
INSTALLATION IN CAVITY
POSSIBLE
Designation T200 P1 W V2 L50040 O30 (resistance up to 200 Pa with seal)
RESISTANT TO CONDENSATION

YES

INTERNAL WALL
AISI 316L
OUTER WALL

AISI 304L

INSULATION

Rock wool

INSULATION THICKNESS

25 mm

DIAMETERS

⌀ 80 ÷ 500

TEMPERATURE LEVEL
200 °C
PRESSURE LEVEL
P1 = 200 Pa
GAS APPLIANCES
RECOMMENDED
GAS CONDENSING APPLIANCES
RECOMMENDED
OIL APPLIANCES
RECOMMENDED
WOOD-BURNING APPLIANCES
NO
PELLET APPLIANCES
RECOMMENDED
GAS COOKER HOODS
POSSIBLE
VENTILATION
POSSIBLE
OUTDOOR INSTALLATION
RECOMMENDED
INDOOR INSTALLATION
RECOMMENDED
IINSTALLATION IN CAVITY
POSSIBLE
Designation T600 N1 W V2 L50040 050 G70 (vacuum chimney system)
RESISTANT TO CONDENSATION

YES

INTERNAL WALL
AISI 316L
OUTER WALL

AISI 304L

INSULATION

Rock wool

INSULATION THICKNESS

25 mm

DIAMETERS

⌀ 80 ÷ 800

TEMPERATURE LEVEL
600 °C
PRESSURE LEVEL
N1 = 40 Pa
GAS APPLIANCES
RECOMMENDED
GAS CONDENSING APPLIANCES
RECOMMENDED
OIL APPLIANCES
RECOMMENDED
WOOD-BURNING APPLIANCES
RECOMMENDED
PELLET APPLIANCES
RECOMMENDED
GAS COOKER HOODS
POSSIBLE
VENTILATION
POSSIBLE
OUTDOOR INSTALLATION
RECOMMENDED
INDOOR INSTALLATION
RECOMMENDED
INSTALLATION IN CAVITY
POSSIBLE

Usual reference and designation

Product marking according to European legislation: CE 0476 EN 1856-1.
T200 H1 W V2 L50040* O xx on request
T200 P1 W V2 L50040* O xx with gasket
T600 N1 W V2 L50040 O zz / G yy without gasket

* The designation may vary according to the quality and thickness of the raw material as indicated in the table below:

Usage

Masonry chimney, flue ducts, steel chimneys, air vents serving atmospheric, pressurised, blown air, traditional or condensing heat generators, kitchen hoods for industrial or domestic use, wood stoves, fireplaces, pellet stoves.

Application

Indoor or outdoor installation

Available diameters - mm (on request)

80/130 - 100/150 - 130/180 - 150/200 - 180/230 - 200/250 - 250/300 - 300/350 - 350/400 - 400/450 - 450/500 - 500/550.

Available on request up to an internal diameter of 800.

Request information

Contatti

EXPO INOX S.p.a.

OUR ADDRESS

Viale Artigianato 6
27020 - Borgo San Siro (PV) - Italy

COPYRIGHT @ 2003-2020 - EXPO INOX S.p.A. - P. IVA 01541720189