The Design of Pressure Safety and Relief Valves for Overpressure Protection: Essential considerations

Sotoodeh, Karan

doi:10.1007/s41403-023-00396-w

Cited by 2 publications

(2 citation statements)

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“…A pressure safety valve (PSV) or pressure relief valve (PRV) protects a pressurized system or vessel during an overpressure scenario [1]. The term 'overpressure event' refers to any condition that causes the pressure of a vessel or system to exceed its specified design pressure or maximum allowable working pressure (MAWP) [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…The PSV/PRV must relieve sufficient fluid to keep the system within a desired pressure range. It is important to evaluate all causes of overpressure [1,18] (that might occur in the system due to the failure of a pump, control system, or stop valve; a fire; or an uncontrolled chemical reaction. The maximum capacity required is determined based on the worst case combination of these factors [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

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Sizing and Selection of Pressure Relief Valves for High-Pressure Thermal–Hydraulic Systems

Bhowmik,

Sabharwall

2023

Processes

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This study covers the critical concerns related to the sizing, selection, installation, maintenance, and testing of pressure safety valves (PSVs). The aim is to ensure the safety of pressurized systems, hydrostatic transmission systems, and hydraulic plants, including process plants, thermal power plants, and nuclear reactor systems. PSVs are devices that ensure the safety and reliability of pressurized vessels, lines, and systems during overpressure events. The task of selecting which PSV features are of greatest value for a specific purpose is complex—especially in the design of a high-pressure experimental thermal–hydraulic facility for hydrostatic and transient testing of the reactor system—when the systems are in the design and development phases and require qualification and demonstration to prove that they have reached a given level of technological readiness. The present study highlights the required steps for users to follow the associated rules, guidelines, and recommendations. As a part of this research, case studies are presented to help readers better understand the applicable strategy and standards. A discussion and a review of PSV performance degradation and failure are summarized to provide a better understanding of varied process applications and conditions, including fluid flow dynamics, boundary-layer formation and pressure drops, gas bubble formation and collapse, geometric configurations, inlet/outlet piping, abrupt pressure fluctuations, and acoustic resonance. Moreover, this study discusses the servicing and testing of PSVs in a multiphase pressurized system. Overall, it provides a basic overview of how PSVs ensure the safety of pressurized systems, supported by case studies and industrial practices.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%