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Relief Valve Sizing/Flare System Hydraulics

Relief valves are a critical component of a well designed process. Most chemical processes may be subject to pressure and thermal excursions that necessitate an automatic relieving protocol. This relieving is achieved by relief valves at various locations in the process. Each relief valve has to be sized based upon various scenarios that may result in an excursion. It is a systematic process that must also incorporate the results of a Process Hazard Analysis (PHA). In most cases, the relief valves will direct the gases and liquids into a flare system. The hydraulics of the flare system have to be sized to accommodate maximum relieving rates. An example of a relief valve sizing is shown below.

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Conceptual Engineering

The early stages of front end project and process development are critical for the future success of projects involving new technologies and processes.

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Feasibility Study

The feasibility study phase generally consists of a technical and economic analysis to investigate the probable outcomes of a project.

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The feasibility study phase generally consists of a technical and economic analysis to investigate the probable outcomes of a project.

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This is the initial phase in the execution of the project. The objective of this phase is to develop all detailed engineering and design drawings and documents.

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