采用标准ApplicationStandard设计标准：GB/T12238-1989法兰连接尺寸：GB/T9113.1-2000；GB/T9115.1-2000：JB78结构长度：GB/T12221-1989压力试验：GB/T13927-1992XD373H型信号蝶阀结构、尺寸图主要技术参数Maintechnologyparameter公称通径DN(mm)50-300公称压力PN(MPa)0.61.01.6试验压力强度试验0.91.52.4Ps(MPa)密封试验0.661.11.76适用介质水、海水、油品等适用温度-29~425℃主要零件的材质Materialformainparts阀体铸铁、铸钢蝶板铸钢（寰面处理、铸铁（寰面处理）密封圈***橡胶、氟橡胶阀杆2Cr13填料氟塑料、柔性石墨XD373H/F/X连接尺寸MainshapeandConnectiondimensi***公称通径DN(mm)结构长度（标准值）外形尺寸（标准值）连接尺寸（参考值）1.6MpaLHH0ABD0DD1n-d50431023622002001601651254-1865461123822002001601851454-1880491204002002001602001608-18100561374342002001602201808-18125641624802002001602502108-18150701745502802802402852408-222007120761528028024034029512-222507624269428028024040535512-263008328482942052035046041012-26)