Necessary Dry System Vent Features Dry system vents that are used to exhaust or purge the oxygen-rich gas from dry and pre-action fire sprinkler systems in conjunction with nitrogen generators must perform several important functions:
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 ...
