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The need to regularly clean sewerage networks
using a high pressure system requires high levels
of performance and must be certified using
a jetting test. In addition, effluents in these
networks can be very abrasive and wear occurs
in the form of knocks and scratches. The epoxy
resin internal lining is an active and effective
barrier against these as demonstrated by the
Darmstadt test results.
The remarkable mechanical characteristics of
ductile cast iron limit site difficulties as well as
withstanding frequent terrain movement and
subsequent site works. Combined with
the IM Nitrile automatic joint, TAG 32 ® pipelines
offer guaranteed protection against ground
movement and root penetration. In addition, they
enable you to achieve savings transporting spoil
and during the delivery of new materials to the
site. Using "natural" soil for backfill and reduced
widths mean that there is less need for quarries
and fewer needless lorry journeys! Consequently,
CO 2
emissions, nuisance for local residents and
site costs are reduced.
NEW:
TAG 32 ® is coated with a new external pore
sealer AQUACOAT ® .
This coating is an aqueous phase, solvent
free mono-component which respects the
environment. Remarkably aesthetic, this new
lining does not contain bisphenol A.
The mechanical qualities of the ductile cast
iron material, its exceptional longevity
and its recyclable character enable
the TAG 32 ® system to present a remarkable
environmental impact.
The external lining in ductile cast iron pipelines is
covered with 200 g/m 2 of zinc with a brown-red
pore sealer.
This combination makes TAG 32 ® pipes non
porous and impermeable.
Saint-Gobain PAM - SEWERAGE - 2012
59