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S i n o r i x C e r e x e n w i t h n i t r o g e Nitrogen is the standard extinguishing agent for room protection and can be used in many situations. For example: telecommunications systems, computer rooms, storerooms, cable n

ducts, generator and electrical switching rooms, archives, strongrooms, museums, cotton storage, military depots, storage of chemical and petrochemical products, engines, turbines, pumping stations and generators. This extinguishing agent can generally be used without risk of personal injury.

S i n o r i x C e r e x e n w i t h a r g o n Argon is just as suitable for room protection as nitrogen. However, argon is also an excellent

extinguishing agent for special applications where there is a risk of a metal fire.

S i n o r i x C e r e x e n w i t h c a r b o n d i o x i d e While it is the most effective extinguishing agent of all the natural gases, there are restric- tions on the use of carbon dioxide. Carbon dioxide is toxic in the concentrations required for effective fire extinguishing and may only be used in unmanned locations. Typical appli- cations include: unmanned generator and transformer stations, localized use (oil baths, turbines, kitchen equipment, machines).

S i n o r i x C D T (Constant Discharge Technology) Nitrogen and argon can also be used with the u n i q u e S i n o r i x C D T v a l v e t e c h n o l o g y f r o Siemens. This innovative technology is based on a reservoir pressure of 300 bars. A pressure of 60 bars at the outlet of the valve ensures that the gas is discharged at a constant rate during the entire flow time. This eliminates the pressure peak at the beginning of the ex- tinguishing process. Since the pressure build- up in a room is more even with no peaks, the m

size of the overpressure valves can be reduced.

F u r t h e r a d v a n t a g e s o f t h e S i n o r i x C D T s y s t e m C o n t r o l l e d g a s d i s c h a r g e , r e g a r d l e s s o f s y s -

tem size

No discharge pressure variations, unaffected by the number of gas bottles All the components downstream of the valve (including the collector and sector valve) are designed for a working pressure o f 1 0 0 b a r s ( a s o p p o s e d t o 3 0 0 b a r s ) I f g a s f l o w i s i m p e d e d , t h e m a x i m u m p r e s - sure build-up is restricted to 100 bars, even t h o u g h t h e r e s e r v o i r i s a t 3 0 0 b a r s S m a l l e r t u b e s i z e s h e l p r e d u c e i n s t a l l a t i o n costs F e w e r g a s b o t t l e s a r e r e q u i r e d , s a v i n g s p a c e The size of the overpressure valves can be reduced by roughly 2/3rd compared to traditional systems

Applications This system covers the same range of applica- t i o n s a s S i n o r i x C e r e x e n n i t r o g e n a n d a r g o designs. n


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