Using Dirty Service Trim in Critical Valves Provides Four More Days of Uptime per Year
Using Dirty Service Trim in Critical Valves Provides Four More Days of Uptime per Year
2 PagesD352707X012/Sept17 For more information: www.Fisher.com POWER Using Dirty Service Trim in Critical Valves Provides Four More Days of Uptime per Year RESULTS • Eliminated the build-up of magnetite and plugging of the valve’s cage and seat • Avoided shutting down an HRSG unit to acid-clean the valves, saving $30,000 USD and two days of lost generation per unit, per procedure • Extended runtime in a critical-to-process application APPLICATION Drum level control valves in triple-pressure, feedwater service CUSTOMER Combined-cycle plant in central Florida, USA CHALLENGE A combined-cycle plant operates with multiple power blocks. Each block has two combustion turbines and two triple-pressure heat recovery steam generators (HRSG) that feed into a common steam turbine. The three pressu
