液化石油气安全阀标一阀门有限公司液化石油气安全阀产品概述液化石油气安全阀又叫安全回流阀（产品型号：AH42F、A42F多种叫法：液化气安全阀、石油气安全阀、回流安全阀、天然气安全阀）：本阀适用于工作温度在-40~80℃的液化石油气的液相出口管上，当进出口压差大于0.5MPa时液化石油气能自动回流入罐。液化石油气安全阀主要零部件材料：序号零件名称材料1阀座2Cr132阀体WCB3调节圈2Cr134反冲盘2Cr135阀瓣2Cr13+PTFE6导向套2Cr137阀盖ZG230-4508弹簧50CrVA9阀杆2Cr1310调整螺杆4511阀帽ZG200-400液化石油气安全阀主要外形连接尺寸mm：型号DNdoDKgg1bff1Z-dDN'D1k1g2b1f'Z1-d1LL1HAH42F-16CA42F-16C201510575551624-142511585651624-1411095378251611585651624-1432140100781824-18110953783220140100781824-1840150110851834-181151003784025150110851834-18501651251002034-1812011040650321651251002034-18651851451202034-1813512045065401851451202034-18802001601352038-1816014052080502001601352038-181002201801552238-18170135525100652201801552238-181252502101852238-18195175690125802502101852238-181502852402102438-232101907801501002852402102438-231753102702402638-23255230838200125340295265)