一、产品概述：本阀门适用于工作温度“C型”≤425℃；“I型”≤500℃；“V型”≤500℃；的蒸汽等介质设备或管路上，作为超压保护装置。连接法兰标准按JB/T……94系列1、系列2二、主要零部件材料：NO零件名称C型材料I型材料V型材料1阀体WCBZG1Cr5MoZG15Cr1MoV2阀座2Cr131Cr18Ni9Ti12Cr1MoVA3调节阀2Cr131Cr18Ni9Ti1Cr18Ni9Ti4阀瓣2Cr1317-4PH17-4PH5导向套2Cr131Cr18Ni9Ti1Cr18Ni9Ti6散热器ZG230-450ZG230-450ZG230-4507阀盖ZG230-450ZG230-450ZG230-4508弹簧50CrVA50CrVA50CrVA三、YFA48Y高温高压安全阀外形尺寸和连接尺寸：型号公称通径doDKgg1bff1Z-φdDND1K1g3g2b1ff1Zr-φd1LL1≈HYFA48Y-16CYFA48Y-16IYFA48Y-16V4025150110851834-18501651251002034-1812011554050321651251002034-18651851451202034-1813512061865401851451202034-18802001601352038-1816014071080502001601352038-181002201801552238-18160150730100652201801552038-181502852402102438-232251758921501002852402102438-2320034029526526312-232402351135)