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安全阀是锅炉、压力容器、压力管道等特种设备上重要的安全附件之一。其作用是利用介质本身的力来排出一额定数量的流体,以防止压力超过额定的安全值。安全阀动作的可靠性直接关系到特种设备安全运行和人身安全。安全阀种类、型号繁多,其应用几乎涵盖了所有承压类动、静设备,涉及安全阀的法规标准也比较多。因此,安全阀校验法规、标准的理解与应用对特种设备安全运行具有重要的意义。
Safety valve is one of the important safety accessories on special equipment such as boilers, pressure vessels and pressure pipes. Its role is to use the force of the media itself to discharge a nominal amount of fluid to prevent the pressure exceeds the rated safety value. The reliability of safety valve movement is directly related to the safe operation of special equipment and personal safety. Types of safety valves, a wide range of models, its application covers almost all types of pressure, static equipment, safety valves involved in the regulatory standards are more. Therefore, the safety valve calibration regulations, standards of understanding and application of the safe operation of special equipment is of great significance.