顶部驱动阀IBPOforTopDrive（Upper/LowerSafetyValves）顶部驱动阀用于顶驱钻井装置上，可分为顶驱上旋塞阀和顶驱下旋塞阀两种，它们是与顶驱系统配套使用的一种控制阀，通常情况下两个阀串接与顶部驱动钻井装置上。该阀可承受来自上、下两方向的高压。其工作压力可达10,000psi或15,000psi。阀体内腔及零件均经过特殊的防腐处理，延长了使用寿命。IBOPforTopDriveusedfortopdrivesystem.ItincludesUpperIBOPforTopDriveandLowerIBOPforTopDrive.Theyareusedfortopdrivedrillingsystemwithjointedonebyone.Thesealsforupwardanddownwardpressureprovidedependablehigh-pressureservice.Ithasapressureratingof10,000psior15,000psirespectivelyatthefactory.Theboreofthevalvebodyandallinternalpartsarespecialtreatedtopreventdamagefromcorrosionandh***ealonglifeservice.顶部驱动器技术参数：TheSpecificationofTopDrive（Upper/LowerSafetyValves）型号Type外径O.D.mm(inch)内径I.D.mm(inch)连接螺纹ConnectionAPI总长OverallLengthmm(inch)DXS187顶驱上阀UpperIBOP187（723/64）77.8(31/16)65/8REG572(221/2)DXS187顶驱下阀LowerIBOP523(2019/32)DXS197顶驱上阀UpperIBOP197(73/4)77.8(31/16)65/8REG572(221/2)DXS197顶驱下阀LowerIBOP523(2019/32)DXS216顶驱上阀UpperIBOP216(81/2)77.8(31/16)75/8REG600(255/8)DXS216顶驱下阀LowerIBOP512(205/32)DXS254顶驱上阀UpperIBOP254(10)102(4)85/8REG800(311/2))