All Entries Tagged With: "david mcgrail"
ENGINE COMPANY STANDPIPE OPERATIONS:PRESSURE-REGULATING DEVICES
ENGINE COMPANY STANDPIPE OPERATIONS:PRESSURE-REGULATING DEVICES FireEngineering.com Feb 1, 2005 BY DAVID M. McGRAIL For most in the American fire service, pressure-regulating devices and specifically pressure-reducing valves (PRVs) were virtually unknown prior to 1991. It was only after the tragic One Meridian Plaza high-rise fire, which occurred in Philadelphia, Pennsylvania, on February 23, 1991, that PRVs […]
