Deluge Valve and System Evolution
1919 to 2010

Our trade is slow to change. Many of the items we utilize today were developed in one fashion or another many years ago. The deluge system was really the first sprinkler system where an open piping network was supplied with water and water discharged through open outlets on the system piping. As time passed, the automatic sprinkler was developed and our basic wet system came into being, water-filled pipe with water at a sprinkler head held closed with a heat activated device.
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