A42Y-C型弹簧全启封闭式安全阀适用于工作温度≤300℃空气、石油气、液体等介质的设备和管路上。A42Y-P型及A42Y-R型适用于工作温度≤200℃有腐蚀性的介质的设备和管路上，作为超压保护装置。连接法兰标准按JB/T……-94系列1。≥6.4MPa按JB/T……-94系列2【结构图】【主要零部件材料】NO.A42Y封闭全启型零件名称A42Y-C/KA42Y-C材料A42Y-P/KA42Y-P材料A42Y-R材料DA42Y-P材料1阀座2Cr13/1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni12Mo2TiZG1Cr18Ni9Ti2阀体WCBZG1Cr18Ni9TiZG1Cr18Ni12Mo2TiLCB/ZG1Cr18Ni9Ti3调节圈2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti4反冲盘2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti5阀瓣2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti6导向套2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti7阀盖ZG230-450ZG230-450ZG230-450ZG1Cr18Ni9Ti8弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料50CrVA9阀杆2Cr131Cr18Ni9Ti/1Cr18Ni12Mo2Ti1Cr18Ni9Ti/1Cr18Ni12Mo2Ti1Cr18Ni9Ti10调整螺杆452Cr132Cr132Cr1311阀帽ZG200-400ZG200-400ZG200-400ZG230-450密封面材料堆焊Co基硬质合金【外形尺寸和连接尺寸】型号公称通径doDKgg1bff1Z-ødDN'D1K1g3g2b1f'f1'Z1-ød1LL1≈HA42Y-16CA42Y-16PA42Y-16RKA42Y-16CDA42Y-16C(P)201510575551624-142511585651624-1411095378251611585651624-1432140100781824-18110953783220140100781824-1840150110851834-181151003784025150110851834-18501651251002034-1812011040650321651251002034-18651851451202034-1813512045065401851451202034-18802001601352038-1816014052080502001601352038-181002201801552238-18170135525100652201801552238-181252502101852238-18195175690125802502101852238-181502852402102438-232101907801501002852402102438-231753102702402638-2325523083820012534029526526312-2325040535532030312-2630026099225015040535532030312-2630046041037530412-26350320126630022046041037530412-2640058052548536416-30370350128335025052047043534416-2650071565060844420-34500450152040028058052548536416-3050071565060844420-345004501530A42Y-25CA42Y-25PA42Y-25RKA42Y-25CDA42Y-25(P)201510575551624-142511585651624-1411095378251611585651624-1432140100781824-18110953783220140100781824-1840150110851834-181151003784025150110851834-18501651251002034-1812011040650321651251002034-18651851451202034-1813512045065401851451202238-18802001601352038-1816014052080502001601352238-181002201801552238-18170135525100652301901602438-231252502101852238-18195175690125802702201882838-261502852402102438-23210)