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The single wall system products present solutions
which, together with those of DP double
wall system, complete the wide range of
offers for combustion fumes exhaust.
These products find their main application
both in the building renewal and adjustment
of old chimneys to the new plant requirements
and in the ventilation vapour exhaust;
moreover, the single wall system products
follow the growing spread of heat generators,
the features of which make it essential
for flues to be sealed.
The single wall systems, according to the standards EN 1856-1:2003 and EN 1856-2:2004
which regulate the CE mark on the metal
chimneys, can be installed both in skylight
shafts, indoor, (flexible/rigid single wall used
as a liner), and on the building outside (rigid
single wall used as a chimney system)
if applied on condensation boilers with
emission in atmosphere of low temperature
fumes (about 40-50 grd C) ; moreover the rigid
pipes can also be used in the sub-horizontal
linking tract (connecting flue pipe) between
the heat generator and the chimney.
The typology of the products differ on the basis
of the pressure level and of the working
temperature class.
For positive pressure (class P1) and low temperature(up to 200 grd C) working conditions,
Roccheggiani offers the SPG series, made of
AISI 316L (1.4404) stainless steel, provided
with a “triple lip” silicone gasket which ensures
a perfect tightness between separate
elements.Consult Mob.