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Safety valves play a critical role in maintaining the safety and integrity of boiler systems by preventing overpressure conditions. It is essential that safety valves are properly sized for the specific application they are intended to protect. Proper sizing ensures that the valve can relieve pressure effectively when needed, preventing potential equipment damage and maintaining safe operating conditions.
A safety valve that is too small may fail to open quickly enough to relieve pressure, leading to dangerous overpressure scenarios. Conversely, a valve that is oversized may not function correctly under certain conditions. Thus, understanding the correct sizing based on factors like the type of fluid, the pressure settings of the system, and the flow requirements is crucial for the safe operation of any system using a safety valve.
In regards to the other statements, safety valves cannot handle all types of pressure situations as they are designed for specific limits. They do not need to be installed exclusively horizontally; orientation can vary based on design and application. Moreover, safety valves do require regular maintenance to ensure they function correctly over time, preventing any potential failure during critical pressure relief situations.