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HFC227-ea (FM200)  

VSN 200 fire extinguishing systems fight fires using HFC-227ea / FM-200®. This extinguishing agent is particularly suitable for the protection of areas with electronic and electrical equipment. It offers an economical fire protection solution especially for small and medium-sized rooms. The HFC-227ea / FM-200® fire extinguishing agent reduces the temperature of the fire and thus stops the combustion reaction.

HFC-227ea is not corrosive or electrically conductive, leaves no residue and can be easily removed from the area of concern by ventilation. It is also known by its trade name FM-200® from DupontTM.

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The fire extinguishing agent is stored as a liquid and only turns into a gas when it exits the fire extinguishing nozzles. As a rule, it therefore extinguishes even hidden sources of fire immediately. The rapid extinguishing of a fire in the exposure phase minimises fire damage and prevents long downtimes or work interruptions.

VSN 200 fire suppression systems can be designed for use as a single zone system to protect a single area or as a multi-zone system to protect two or more areas.

Single Zone Systems

When installing a pipework system with VSN 200 fire extinguishing nozzles in the protected area, the size of the pipework, the number and arrangement of the fire extinguishing nozzles are determined by the risk involved and the specific local conditions. A single cylinder is usually sufficient to protect smaller rooms. Multiple cylinder systems are used to protect larger rooms.

Multi-Zone Systems

Multi-zone systems are very similar to single-zone systems except that they use a common set of fire extinguishing cylinders to protect all rooms. In the event of a fire, the fire detection and extinguishing control panel controls special selector valves. These valves release the extinguishing agent only in the extinguishing zones affected by the fire. The sufficient amount of extinguishing agent is always calculated according to the largest protected area. If a smaller area is affected by the fire, only a sufficient amount of extinguishing agent is used to extinguish the fire in this area.

Areas of use:

  • Server rooms and other IT facilities
  • Data archives
  • Telecommunication equipment
  • Control rooms and control stations
  • Instrument and control rooms
  • Electricity distribution rooms
  • Switchgear and distribution cabinet

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