Special Hazard Systems

In Operation, Water Mist Systems can operate with the same functionality as Deluge, Wet Pipe, Dry Pipe, or Pre-Action Systems. The difference is that a Water Mist System uses Compressed Gas as an atomizing medium, which is pumped through the Sprinkler Pipe. Instead of Compressed gas, some systems use a High-Pressure Pumps to Pressurize the Water so it atomizes as it exits the Sprinkler Nozzle Systems can be applied using local application method or total flooding method, similar to Clean Agent Fire Protection Systems. Call Sauer Fire Protection Today for ALL of you Special Hazard Sprinkler System needs!

  • Foam Water - A Foam Water Fire Sprinkler System is a Special Application System, discharging a mixture of Water and Low Expansion Foam Concentrate, resulting in a Foam Spray from the Sprinkler. These Systems are usually used with Special Hazards Occupancies associated with High Challenge Fires, such as Flammable liquids, and Airport Hangers.  Operation is as described above, depending on the System Type into which the Foam is injected.

  • Water Spray -"Water spray" Systems are operationally identical to a Deluge System, but the Piping and Discharge Nozzle Spray patterns are designed to protect a uniquely configured Hazard, usually being Three-Dimensional Components or Equipment (i.e. as opposed to a Deluge System, which is designed to cover the Horizontal floor area of a room). The Nozzles used may not be listed Fire Sprinklers, and are usually selected for a Specific Spray pattern to conform to the Three-Dimensional nature of the Hazard (e.g. Typical Spray patterns being oval, fan, full circle, narrow jet). Examples of Hazards protected by Water Spray Systems are Electrical transformers containing oil for cooling or turbo-generator bearings. Water Spray Systems can also be used externally on the surfaces of tanks containing Flammable liquids or Gases (such as hydrogen).

  • Antifreeze Systems – A Wet Pipe System using Automatic Sprinklers that contain a liquid solution to prevent freezing of the System, intended to discharge the solution upon Sprinkler Operation, followed immediately by Water from the Water Supply. A Wet Fire Sprinkler System requires Freeze Protection if any portion of the Sprinkler System is located in spaces where temperatures cannot be maintained at or above 40°F.

  • Water Mist - Water Mist Systems are used for Special Hazards Applications. This type of System is typically used where Water damage may be a concern, or where water supplies are limited. NFPA 750 defines Water Mist as a Water Spray with a droplet size of "less than 1000 microns at the minimum operation pressure of the discharge nozzle". The droplet size can be controlled by adjusting the Discharge Pressure through a Nozzle of a fixed orifice size. The Fire Suppression mechanisms provided by Water Mist Systems include cooling, local flame oxygen reduction, and radiation blocking.

  • Nitrogen System –Nitrogen Systems are used to prevent and inhibit Corrosion in Dry Systems and Pre-Action Systems with Supervisory Gas in System Piping. Dry and Pre-Action Systems employing Supervisory Air are subject to Corrosion, which may lead to property damage, ongoing Pipe Repair and Replacement, System downtime, and decreased c-factor and Sprinkler blockage. Replacing Air and Oxygen in a Sprinkler System with Nitrogen inhibits Corrosion by removing a segment of the Corrosion Triangle. In order to supply your Fire Sprinkler System with Nitrogen, you simply replace your current Compressed Air System with a Nitrogen Generator.