一、弹簧全启式安全阀（W系列）简介A48Y-C型适用于工信温度≤450℃，A48Y-V型适用于工作温度≤550℃的电站锅炉、压力容器、减温减压装置上，作为超压保护装置。二、弹簧全启式安全阀（W系列）结构1、具有结构简单、密封性能好、开启压力准确、排放能力大、回座压差小、调节方便等特点。2、喷嘴型阀座：阀座为位伐尔喷嘴型阀座，蒸汽流经阀座出口处时达到音速，排放系数大，阀座密封面堆焊钴铬钨硬质合金，耐磨抗冲蚀，寿命长。三、弹簧全启式安全阀（W系列）安装说明安装必须垂直安装，并最好直接安装在容器或管道的接头上，接头内径应不小于安全阀的进口通径。四、弹簧全启式安全阀（W系列）主要外形尺寸及连接尺寸型号公称通径连接尺寸LL1HDD1D2bz-ødDN"D"D1"D2"b"z1-ød1A48Y-P543.82V65190190853220170110508-25150300250204308-25A48Y-1080190190853230180121508-25150300250204308-25A48Y-1065190190853220170110508-25150300250204308-25A48Y-P543.82V80190190853230180121508-25150300250204308-25A48Y-206521021093326020397558-30150300250204308-25A48Y-P545.29V6521021093326020397558-30150300250204308-25A48Y-2080210210933260203116608-34150300250204308-25A48Y-P545.29V80210210933290230116608-34150300250204308-25A48Y-2080210210933290230116608-34150300250204308-25A48Y-P5410V80210210933290230116608-34150300250204308-25A48Y-2065210210933290230116608-34150300250204308-25A48Y-P5410V65210210933290230116608-34150300250204308-25)