Crosby safety valves, crosby by pentair

The primary purpose of a pressure relief valve is protection of life and property by venting fluid from an over pressurized vessel. Information contained in this handbook applies to the overpressure protection of pressure vessels, lines and systems.
Crosby is the world’s premier manufacturer of pressure relief and safety valves.
Crosby direct spring operated safety and relief valves have been among the world’s most widely used relief valves for gas, liquid, steam and multi-phase applications in Oil & Gas production, refining, petrochemical and chemical processing systems as well as for utility and industrial steam generators & steam systems in power generation facilities.