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Nitrogen in a Wet System

Question asked by fm4802 on Oct 20, 2020
Latest reply on Oct 23, 2020 by matt-francis

A vent is required in a sprinkler system at a high point to allow trapped air to be exhausted from the system, thus having less oxygen for the metal piping to react with. Thinking "out of the box" here, would it be helpful to fill the piping first with nitrogen? When it's filled, then one could charge the system with water until it comes out the vent. Wouldn't it stand to reason then that any remaining pockets of air would therefore be nitrogen...not oxygen? 

 

Just thinkin'

Paul

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