A47H/W带扳手弹簧微启式安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。连接法兰标准按JB/T-94的系列1。带扳手弹簧微启式安全阀主要零部件材料NO.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)