If your building has a dry or pre-action Fire Protection System (FPS), then you face the risk of corrosion damaging the sprinkler system. Corrosion can cause pinhole leaks that are dangerous for a number of reasons:
- Disruptive to normal operations
- Potential damage to equipment/property
- Loss of revenue due to shutdowns
- Continuous introduction of oxygenated water due to repeated draining for repairs
- Costly ongoing repairs
How Nitrogen Can Prevent FPS Corrosion
Traditionally, compressed air is used as a supervisory gas for dry and pre-action fire protection sprinkler systems. However, the constant availability of oxygen in the compressed air supports corrosion of the steel piping in the presence of moisture, which is almost always present. Nitrogen works to prevent corrosion:
- N2 is an inert gas which does not support the corrosion reaction and eliminates oxidation of non-metallic components of FPS
- Nitrogen effectively displaces all oxygen from the system and stops the corrosion reaction by eliminating the cathodic oxygen reaction
- The dew point of 95% N is approximately -71˚F, which enables it to absorb much more moisture than compressed air. This effectively “dries out” any residual moisture from the system (introduced into the system by humid air) thereby removing another prerequisite for corrosion
- Prevents the formation of ice blockages in freezer FPS systems.
The N2-Blast from South-Tek Systems is designed to generate Nitrogen for your FPS on demand at low pressure. The system can be integrated with or replace your existing supervisory air compressor. It uses minimal space, runs quiet, and can be installed within your fire pump or riser room.
The N2-Blast generates high purity N2 at the same rate as a high pressure N2 cylinder, therefore making it a:
- safer,
- more convenient, and
- cost effective solution to inhibit corrosion.
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