DQS-25P型低温三通球阀DQS-25ptypethree-wayballvalveatlowtemperature此类型是"T"型通道三通球阀主要用于组合安全系统阀的安全阀及防爆膜片的安装主体。除能大大地减化和优化贮槽管路、减少贮槽组装时间和二组安全附件同时工作的特点，并且更换安全阀方便、可靠。广泛用于液氧、液氮、液态乙烯及其它低温介质，具有密封可靠的特点。Thistypeisthe""T""typechannelofthe3-wayballvalveismainlyusedinintegratedsecuritysystemvalvereliefvalveandtheinstallationoftheexplosion-proofmembrane.Inadditiontocangreatlysimplifyandoptimizepipelineofstoragetank,storagetankassemblytimeandthecharacteristicsoftwogroupssafetyaccessoriesworkatthesametime,andreplacethereliefvalveisconvenientandreliable.Widelyusedinliquidoxygen,liquidnitrogen,liquidethyleneandotherlowtemperaturemedium,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:螺纹公称通径/Nominaldiameter:25mm主要零部件名称Maincomponentsname材料Materials阀体/ValvebodyZG0Cr18Ni9阀瓣/Valvedisc0Cr18Ni9Ti阀盖/ValvecoverZG0Cr18Ni9阀杆/Valvestem0Cr18Ni9手柄/handleZG0Cr18Ni9球体/sphere0Cr18Ni9主密封件/MainsealPTFE+石墨)