Why are safety accessories installed on pressure vessels? 【Video】@ChemicalKnowledgeE019
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Why are safety attachments required? It is stipulated by the technical specifications. Safety accessories are not merely intended to prevent overpressure; to be more precise, they cannot prevent pressures that exceed the operating limit or even the design pressure. There are five types of safety accessories in pressure vessels: (1) safety valves, (2) burst disc assemblies, (3) fusible plugs, (4) emergency shut-off devices, and (5) safety interlock devices). Among these, safety valves are generally the primary discharge devices, burst disc assemblies serve as auxiliary discharge devices, while fusible plugs can also be considered discharge devices. Emergency shut-off valves are often used as part of safety interlock systems. Safety interlock devices are complex and come in various forms; it is necessary to regularly test them to ensure they meet the technical specifications. Safety accessories and instruments should be checked at least once a month to ensure they are in good condition and free from any abnormalities.