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Direct-actuated Safety and Relief Valves

S Bharadwaj Reddy
Pressure Relief Valves (PRVs) and Pressure Safety Valves (PSVs) are special types of valves designed to open up in order to relieve excess pressure from inside a process vessel or

Pilot-operated Relief Valve Principle

S Bharadwaj Reddy
Like other pressure relief valves (PRV), Pilot operated relief valves (PORV) are used for emergency relief during overpressure events (e.g., a tank gets too hot and the expanding fluid increases the pressure to dangerous

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