For centuries, water has been used to fight fires. In 1806, the first patent was filed in London describing a perforated pipe concept for a fire protection system. This was followed in 1860 by the first sprinkler patent. Later, more advanced sprinkler heads were developed, including bulbs. The common feature of this development was the use of water as a fire fighting medium for cooling the fire. 2 SEM-SAFE® by Danfoss · Marine & Offshore “Esvagt Bergen” protected with SEM-SAFE® high-pressure water mist
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