Inert Gas Extinguishing System

Inert Gas Extinguishing System - Consultation, Installation & Maintenance

The term inert gases refers to the four extinguishing agents nitrogen, argon, IG 541 (trade name Inergen), and IG 55 (trade name Argonite). All four extinguishing agents reliably suffocate the fire by reducing the oxygen content in the existing air to below 12%. The gas concentration must be maintained for a specified period of time to prevent the fire from reigniting. Inert gases are suitable for fires of classes A (solid materials), B (flammable liquids), and C (flammable gases) including electrical and electronic equipment. Which of the four extinguishing agents is best suited depends on the protection goal and the structure of the property.

In the event of a fire, all persons present are first warned visually and acoustically to leave the room. Only then is the room evenly flooded with one of the inert gases. Inert gases leave no residue; they do not damage objects in the hazard area. Depending on the structure of the property, the inert gas can be removed from the property by ventilation or extraction. Only afterward may the property be re-entered by people.

Inert gas extinguishing systems can be designed according to the following standards: VdS 2380, DIN EN 15004, ISO 14520, NFPA 2001. Inert gas extinguishing systems consist of gas cylinders with the respective extinguishing agent (nitrogen, argon, IG 541, or IG 55), extinguishing nozzles, a triggering device, and piping including pressure reducers, as well as a fire alarm system with extinguishing system control. The gas cylinders must be stored in a separate room.

Areas of application for inert gas extinguishing systems include, for example, server rooms and cabinets, switchgear, control rooms, operating and control rooms, building technology rooms, painting and powder coating systems, and hazardous materials warehouses. People present must be warned by visual and acoustic alarms (risk of suffocation due to oxygen displacement).

You can conveniently manage inert gas extinguishing systems with our all-inclusive package: CWS analyzes local conditions, plans, develops, and installs the inert gas extinguishing system. You receive the extinguishing system on a turnkey basis, and we take care of regular maintenance.