A guide to watermist:
a fire sprinkler alternative

Watermist fire protection systems share many similarities with traditional fire sprinklers, both deploy water onto an affected area via ceiling or wall-mounted nozzles.

 

The main difference is the working pressure. Sprinklers typically operate below 12 bar [175 psi], while high-pressure watermist operates above 35 bar [500 psi].

 

Watermist systems work by rapid cooling the fire via vaporisation into steam, rather than drenching the fuel and surrounding surfaces.

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Watermist systems consume up to 90% less water than sprinkler systems, this efficient use of water brings several advantages:

 

• damage limitation 

• smaller or no water tanks required

• opportunity to connect directly to the mains water supply

• smaller diameter distribution pipework 

• environmentally friendly

 

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Want to learn more:

 

1. An Introduction

2. Watermist Systems Classifications

3. Using Watermist