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Fire Safety
50
Building Technologies 049_Archives_and_Libraries_A6
V10271399_a_en.doc
Fire Safety & Security Products 03.2009
In all cases, Sinorix
TM
N
2
and Sinorix
TM
Ar, offer a very reliable extinguishing and
are absolutely residue free.
Sinorix
TM
CDT N
2
Sinorix
TM
CDT N
2
system is a one-of-the-kind innovation introduced by Siemens.
The CDT cylinder valve designed and patented by Siemens, allows a constant and
controlled pressure discharge of the inert gas. The constant pressure limited to 60
bar ensures that the gas is discharged at a constant rate during the entire flow
time, eliminating pressure peaks in the room at the beginning of the extinguishing
process and minimizing potential damage to assets.
Sinorix
TM
CDT N
2
(Constant Discharge Technology) is ideally suited when placing
the required overpressure opening poses high complexity. This is generally the
case in historic buildings. It offers a sensible reduction in over-pressure and turbu-
lences compared to non-regulated systems. These are meaningful aspects when
protecting sensitive assets like archives in heritage buildings.
Controlled gas discharge allows a reduction of overpressure flaps up to 70%, and
manifolds and piping can be designed on a lower pressure category.
Fig. 21 CDT valve characteristic
Sinorix
TM
CDT N
2
offers the following advantages:
– reduced turbulence makes the system highly reliable for sensitive areas
– controlled gas discharge, regardless of systems size
– all the components downstream of the valve (including collector and sector
valves) are designed for a working pressure of 100 Bars, in stead of 300 Bars in
non regulated technology
– smaller pipes size help reduce installation costs
– the size of the overpressure flaps can be reduced by roughly 2/3rd compared to
traditional systems
– the use of Nitrogen is environmentally friendly and safe for people
– no mix of gases, this results in faster, easier and cheaper refilling
– no residue and no need for cleaning up after a discharge
– cylinder valve is patented by Siemens