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安全阀作为锅炉、压力容器等受压设备及连接管道的超压保护装置,必须通过定期检查和校验,以确保其准确开启、适时全开、稳定排放、良好回座和可靠密封性能,从而避免所保护锅炉、压力容器等受压设备及连接管道的超压危险,保证其安全运行。2006年发布的《安全阀安全技术监察规程》附件E“安全阀校验与修理”对规范安全阀校验工作起了重要作用,本文对《安全阀安全技术监察规程》(以下简称《规程》)提了以下几个修订意见,以便更好地指导安全阀校验的实践工作。1校验介质的选择
Safety valves, as boilers, pressure vessels and other pressurized equipment and connecting pipe overpressure protection devices, must be regularly checked and verified to ensure its accurate opening, timely opening, stable discharge, good back and reliable sealing performance, which Avoid overpressurization of pressurized equipment such as boilers and pressure vessels and connecting pipes, and ensure their safe operation. The “Safety Valve Inspection and Repair” appendix E issued in 2006 has played an important role in standardizing safety valve calibration work. In this paper, the Safety Valve Safety Technology Supervision Regulations (hereinafter referred to as the “ Regulations ”) made the following revisions, in order to better guide the safety valve calibration practice. 1 Check the media selection