带扳手弹簧式安全阀标一阀门上海有限公司带扳手弹簧式安全阀概述带扳手弹簧全启式安全阀（A44H、A44Y、A44W带扳手弹簧全启式安全阀）：本阀适用于工作温度≤300℃的空气、石油等介质的设备或管路上，作为超压保护装置。连接法兰标准PN<6.4MPa按JB/T-94系例1。PN≥6.4MPa按JB/T-94系列2标准。带扳手弹簧安全阀主要零部件材料序号零件名称A44Y-C材料A44Y-P材料A44Y-R材料1阀体WCBZG1Cr18Ni9TiCF8M2阀座2Cr131Cr18Ni9Ti3163调节圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti4反冲盘ZG2Cr13ZG1Cr18Ni9Ti3165阀瓣2Cr131Cr18Ni9Ti3166导向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti7阀盖ZG230-450ZG230-450ZG230-4508弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料9阀杆2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10扳手ZG200-400ZG200-400ZG200-40011调整螺杆452Cr132Cr1312保护罩ZG200-400ZG200-40031613密封面材料堆焊Co基硬质合金带扳手弹簧安全阀主要外形连接尺寸mm型号DNdoDKgg1bff1Z-dDN'D1k1g3g2b1f'f1'Z1-d1LL1HA44Y-16CA44Y-16PA44Y-16R201510575551624-142511585651624-1411095411251611585651624-1432140100781824-18110954113220140100781824-1840150110851834-181151004114025150110851834-18501651251002034-1812011047250321651251002034-18651851451202034-1813512053265401851451202034-18802001601352038-1816014055680502001601352038-181002201801552238-18170135561100652201801552038-181252502101852238-1819517566712580250