Monthly Archives: October 2020

Pre-Action Fire Sprinkler Systems

What is a Pre-Action Sprinkler System? Pre-action fire sprinklers are a form of dry pipe sprinkler systems. In a pre-action system, water is back from the sprinkler piping by an electrically operated pre-action valve. Two things must happen for a pre-action sprinkler to be activated. First, a fire is detected through flame, heat or smoke …
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