Ice Blocks in Dry and Preaction Sprinkler Systems When fire sprinkler systems are required in freezers, dry and preaction sprinkler systems are used because system piping cannot be filled with water. Air compressors that provide supervisory air ...
What Is The ECS WPNI Process? Simply stated, the ECS WPNI process (wet pipe nitrogen inerting) is a process that displaces oxygen, which causes corrosion, with nitrogen gas inside wet pipe fire sprinkler systems. Any trapped gas remaining in the ...
