An inert gas extinguishing system is particularly recommended for areas with high protection requirements: when irreplaceable cultural assets or sensitive technology need to be protected, when maximum availability of the extinguishing system is required or when the protected area is at particular risk due to high fire loads, electrical energy or hazardous substances. WAGNER has pioneered the use of nitrogen as an extinguishing agent.
BENEFITS
Effective, residue-free fire extinguishing
Fast extinguishing, fast process restart
Gas from the ambient air or as a by-product of technical processes
Variable in terms of protected areas and choice of extinguishing gas
Inert gases are not electrically conductive, ideal for use in electrical and electronic systems
Economical in terms of space requirement and investment
FUNCTIONAL PRINCIPLE
The FirExting® Inert Gas system effectively fights a fire while providing optimum protection for the building and its contents. The selected extinguishing gas or gas mixture smothers the fire source by displacing oxygen.
Inert gases therefore provide residue-free extinguishing. This eliminates the consequential damage caused by the use of water-based, powder or aerosol extinguishing agents. Inert gases do not form chemical compounds in common fire scenarios. They are non-toxic and electrically non-conductive and can therefore be used in a variety of ways. The choice of extinguishing gas depends on the application and the protection required.
EXTINGUISHING GASES
Nitrogen is a natural extinguishing gas with very powerful extinguishing properties. Due to its similar density to air, it is distributed homogeneously in the room and is therefore efficient. As nitrogen makes up approximately 78.09% by volume of the atmosphere, it is always readily available. Nitrogen is universal and versatile. The cost of refilling the containers is low. WAGNER was the first to use nitrogen in fire extinguishing.
Argon is a noble gas present in the atmosphere at 0.93% by volume. It does not form chemical compounds, even under extreme conditions. Because of its inertness, it is also used to fight fires at very high temperatures. Argon's high specific gravity (38% heavier than air) makes it ideal for extinguishing fires close to the ground, e.g. in raised floors. The refilling costs are low.
IG-541 is a mixed gas consisting of natural inert gases that utilizes their respective advantages and thus achieves a high extinguishing effect. It consists of 52% nitrogen, 40% argon and 8% carbon dioxide by volume. The refilling costs for IG-541 are slightly higher than for nitrogen or argon due to its composition.
VIDEO
See how perfect early fire detection and FirExting® protect against serious fires
Innovative and natural fire extinguishing systems for special applications
The optimum configuration for your application is important to us. That's why we offer special solutions for your specific requirements. Here are two examples:
When gas extinguishing is triggered, the atmospheric pressure within the protected area rises briefly. Pressure relief equipment is necessary to balance out this effect. WAGNER’s soft flooding system provides an effective solution in this regard. Because it reduces pressure peaks, pressure relief surfaces can be reduced by more than 50%, and pipe networks can be dimensioned smaller.
To protect sensitive electronics from vibration damage, we use specially designed silencers in the IT sector. When a gas extinguishing system is triggered, the flow noise at the nozzle can reach a sound pressure level of up to 130 db (A). This can damage hard drives and other sensitive components. Our VdS-approved SILENT silencers are available for the FirExting® non-liquefied inert gas variants (N2, Argon and IG-541). These can reduce the sound pressure level by 20 to 38 dB (A). With FirExting® SILENT, we are the first manufacturer to develop a solution that prevents data loss and hard drive damage without compromising extinguishing effectiveness.
By the way: A silencer kit is also available for the acoustic alarm – the pneumatic horn used to warn people in the fire zone in the event of a fire. This makes it safe to use in the IT area.
We will be happy to advise you.
