此类型专用低温升降式止回阀适用于低温贮槽、槽车和罐车防止介质倒流，广泛用于LNG、液态乙烯及其它低温介质，具有密封可靠的特点。Thistypeisspeciallowtemperatureliftcheckvalveissuitableforlowtemperaturestoragetank,tankcarandtankcartopreventthereversemedium,iswidelyusedinLNG,ethyleneandotherlowtemperatureliquidmedium,hasthecharacteristicsofthesealingisreliable.主要技术参数Maintechnicalparameters公称压力/Nominalpressure:4.0MPa设计温度/Designtemperature:-196℃～+80℃适用介质/Applicablemedium:LNG、LO2、LN2、LAr连接方式/Connectionmethod:插焊公称通径/Nominaldiameter:10mm～50mm主要零部件名称Maincomponentsname材料Materials阀体/ValvebodyZG0Cr18Ni9阀瓣/Valvedisc0Cr18Ni9Ti主密封件/MainsealPTFE)