 |
| Fuel |
gas and oil (in some countries also wood, pellets, corn) |
| Operating temperature in flue gases |
250 °C (in certain countries: 450°C) |
| Cold resistance |
-50 °C |
| Wall thickness |
2-2,5 mm |
| Diameter |
60-900 mm (optional within this range) |
| Length (optional) |
3-81 m (minimum and maximum length installed so far) |
| Corrosion resistance |
very good in respect of acids pH 1-7
good in respect of bases pH 7 - max. 12 |
| Density |
1,5 g/cm3 |
| Tensile strength |
100-150 N/mm2 |
| Thermal conductivity |
0,4 W/m K |
| Coefficient of thermal expansion |
2,4 x 10-5 m/m K |
| Angle of distortion |
30° max. |
| Flame resistance at 1000 °C |
10 minutes |
| EU classification |
(EN-14471) T250 P1 W3 R1 050 E |
| T250 |
maximum temperature of input flue gas (Sweden, Slovakia, Romania: T450, Hungary: T200). |
| P1 |
pressure resistance: value measured after exposed to 200 Pa of thermal load; |
| W3 |
corrosion resistance: resistant to the condensates of gas, oil and solid fuel; |
| R1 |
thermal resistance: the reciprocal value of thermal conductivity related to wall thickness; |
| 0 |
resistance to soot fire: not resistant; |
| 50 |
distance of combustible materials: a distance of a minimum of 50 mm is allowed between the wall of the chimney liner and a combustible object; |
| E |
suitable for installation as an internal flue gas outlet, and it can also be freestanding. |
|
| Harmful material emission none appears between 100 °C-600 °C |
Measurements performed by: |
Dansk Toxicology Center (Denmark),
Institute für Ökologische Chemie (Germany) |
There are no heavy metals or halogen compounds, and no carcinogenic materials or materials causing permanent health damage
occur in the material of FuranFlex®.
| FuranFlex® does not contain antimony trioxide. |
Measurements performed by: |
Budapest University of Technology and Economics |
Air tightness (1.5-hour thermal treatment at 400 °C, then measured at 20 °C)
| Pressure (Pa) |
100 |
200 |
5000 |
Measured air loss (l/m2h)
((T-section included in the measurement) |
24 |
38 |
360 |
Measured air loss (l/m2h)
(pipe cut off above T-profile, measured without this section) |
16 |
32 |
268 |
Measurements performed by: CSTB (Paris)
Permitted height of freestanding self-supported FuranFlex® chimney liner tube
| Diameter (mm) |
140 |
275 |
340 |
Permitted height (m)
(With a three-times safety factor) |
286 |
299 |
202 |
Measurements performed by: CSTB (Paris)
