J61Y高温高压对焊截止阀是带散热装置的启闭装置、采用对焊方式与管道焊接，适用于高温高压场合。主要技术参数：公称压力：16、25、32MPa适用温度:425℃450℃500℃540℃，主要用于钢铁、冶金、电厂、热电等企业。设计与制造JB/T3595连接端尺寸结构长度JB/T3595焊端尺寸JB/T79检验与试验JB/T3595材料碳钢GB/T12229合金钢ZB/J98015JB/T5263标志GB/T12220供货JB/T7928主要零件材料及主要用途型号阀体阀盖阀瓣阀座阀杆填料适用介质适用温度J61Y-(320)A1052Cr13+Stellite12D507Mo2Cr13柔性石墨水、蒸汽425J61Y-(320)PIOcr18Ni9Ti(F321)321+Stellite12Stellite6321柔性石墨水、蒸汽540J61Y-P54(170)12CrLMoV12CrMoV+Stellite12Stellite625CrMo1Va柔性石墨蒸汽570主要外形尺寸、连接尺寸及重量型号公称直径NP(Mpa）公称通径DN(mm）标准值LdD1D2hDoHH1质量（kg）J61Y-320321011010122413.5160215365.7J61Y-P54170P54171011010122413.5160215365.7J61Y-32032151501131635122002474510.5J61Y-320PI3215150131635122002474510.5J61Y-P54200VP542015150131635122002474510.5J61Y-320322015019223518200247479.9J61Y-P54170VP54172015019223518200247479.9J61Y-320322518020.52452212402906613.2J61Y-320PI322518020.52452212402906613.2J61Y-P54200VP54202518020.52452212402906613.2J61Y-3203232180273152242402826612.8J61Y-P54170VP541732180273152242402826612.8)