二、25p蒸汽减压阀技术参数公称压力壳体密封进口压力出口压力出口压力偏差值适用温度1.62.41.760.25-1.60.1-1.0
2.53.752.750.3-2.00.1-1.6-0.1230三、25p蒸汽减压阀零件材料零件名称材料零件名称材料阀体、阀盖、底座、下阀盖铸钢、不锈钢付阀瓣弹簧、主阀瓣弹簧铬钒钢付阀瓣、付阀座、主阀瓣，主阀座、膜片不锈钢调节弹簧硅锰钢四、25p蒸汽减压阀规格尺寸公称通径LDD1D2H1H2z-d2018510575561522974-142518511585651522974-1432200140100761813164-1840220150110841813164-1850250165125991813164-18652801851451183423514-18803102001601323423514-181003502201801564133834-181254102502101844133834-181504502852402114904074-22