Q944L、Q945T型两阀座密封三通球阀结构紧凑、外型美观、密封性能好。也能实现管道中介质流向的切换。也能使相互垂直的两个通道连通或关闭。结构特点三通球阀在结构上采用一体化结构，四面阀座的密封型式，法兰联接少，可靠性高，设计实现了轻量化。主要性能范围公称压力PN(MPa)试验压力壳体高压液密封低压液密封1.62.41.760.62.53.752.754.06.04.4CLASS1503.02.2适用工况适用介质水、油品、气等非腐蚀介质和酸碱腐蚀介质适用温度-28～350℃应用规范连接法兰JB79-59 GB9113、HG20592-97、 ANSI B16.5检验试验JB/T 9092-99 、API598主要零件材料零件名称材质GBASTM阀体、阀盖WCBA216-WCB密封圈PTFE、对位聚苯PTFE、对位聚苯球体1Cr18Ni9TiSS 304阀座、阀杆2Cr13A246-416双头螺栓35CrMoAA193-B7 L、T型国标连接尺寸和外形PN1.6MPa型号公称通径DN(mm)尺寸(mm)LL2DD1D2bfZ-dHWQ44F-16C　　 　(P)　　 　(R)15150729565451424-1495130201608010575551424-14110130251809011585651424-1812014032200100135100781624-1814418040220110145110851634-18152220502401201601251001634-23182220652601301801451201634-18193240802801401951601352038-182172701003201602151801552038-182453501253801902452101852238-182825001504402202802402102438-2331960020055026033529526526312-23380100025067031040535532030312-25460140030072037046041037530312-255201800 L、T型美标连接尺寸和外形150Lb公称通径 DN尺寸(mm)(in)(mm)LDD1D2bfZ-φdHLO1/2151408960.535101.64-φ15551303/420165987043111.64-φ155513012516510879.551121.64-φ157014011/4322201177964131.64-φ157518011/24025012798.573151.64-φ159022021/250260152120.592161.64-φ19104260265320178139.5105181.64-φ19153350380320190152.5127191.64-φ191874004100370229190.5157241.68-φ192065005125510254216186241.68-φ222526006150510279241.5216261.68-φ2224410008200580373298.5270291.68-φ22283130010250670406362324311.612-φ25345160012300720483432381321.612-φ254202100