Is an anti-freeze fire sprinkler system advantageous over a dry pipe fire sprinkler system? I get the impression that dry pipe is preferred. Is an anti-freeze fire sprinkler system more hassle or more expensive in the long run?
When would anti-freeze fire sprinkler system be optimal? My...
What is the best way to check a duct smoke detector for pressure differential? It appears that a magnehelic differential pressure gauge is used, but can a regular water manometer be used? I check manufacturer data sheet and it stated that pressure differential can be checked with filters on...
