application
double wall flue gas system with internal isostatic pressed ceramic pipe and external stainless steel pipe for all standard furnaces in negative pressure mode
combustible
pellets, cereal, oil, gas and solid fuels
working temperature
≤ 400 °C
material
inside: isostatic ceramic tube
outside: 1.4301 (304)
wall thickness
inside: 8,0 mm
outside: 0,6 mm
welding seam
TIG continuous / laser (outside)
insulation
mineral insulation with 32,5 mm wall thickness, bulk density 120 kg/m³
connection
inside: plug-and-socket connection with acid-proof cement
outside: plug-and-socket connection with locking band
admissible for pos. pressure
no
soot fire resistant
yes
free standing extension
3 m up to last wall spacer
average roughness
1,5 mm
thermal resistance
0,322 m² K/W
approval number
Z - 7.1 - 3351 (only in Germany W3G)
CE mark number
0036 CPD 9174 039
0036 CPD 9174 040
CE Classifications
T400 - N1 - D - 3 - G50 --> DIN EN 13063 - 1
T400 - N1 - W - 2 - O20 --> DIN EN 13063 - 2
Application "W3G"
The system DW-mammut is applicable for evacuation of exhaust gases of modern standard furnaces (solid fuels, pelltes, cereals) in humid and dry operation mode. The humid operation mode is assured even after a soot fire.