本厂生产的Y43H蒸汽减压阀适用于蒸汽管路上。通过减压阀的调节，可使进口压力降至某一需要出口压力，当进口压力或流量变动时，减压阀依靠介质本身的能量可自动保持出口压力在小范围内波动。Y43H-16、Y43H-16C、Y43H-16Q型先导活塞式蒸汽减压阀：法兰连接形式、活塞式结构形式，阀座密封面材料为Cr13系不锈钢，公称压力PN16，Y43H-16阀体材料为HT200、Y43H-16C阀体材料为WCB、Y43H-16Q阀体材料为QT450-10的蒸汽减压阀。性能参数：公称压力(Mpa)1.62.54.06.410.016.0壳体试验压力(Mpa)*2.43.756.09.615.024密封试验压力(Mpa)1.62.54.06.410.016.0***高进口压力(Mpa)1.62.54.06.410.016.0出口压力范围(Mpa)0.1-1.00.1-1.60.1-2.50.5-3.50.5-3.50.5-4.5压力特性偏差(Mpa)△***GB12246-1989流量特性偏差(Mpa)P2GGB12246-1989***小压差(Mpa)0.150.150.20.40.81.0渗漏量GB12245-1989壳体试验不包括膜片、顶盖主要零件材料：零件名称零件材料阀体阀盖底盖WCB阀座阀盘2Cr13缸套2Cr13/25(镀硬铬)活塞2Cr13/铜合金活塞环合金铸铁导阀座导阀杆2Cr13膜片1Cr18Ni9Ti主阀弹簧50CrVA导阀主弹簧50CrVA调节弹簧60Si2Mn流量系数：(Cv)DN1520253240506580100125150200250300350400500Cv12.546.591625366410014025040057078010201500外形尺寸：(PN1.6-4.0)公称通径DN外形尺寸LHHl1.6/2.5MPa4.0MPa15160180295902016018033098251802003301103220022033011040220240345125502502703451256528030035013080310330385160100350380385170125400450400200150450500415210200500550475240250650525290300800580335350850620375400900660405450900730455500950750465外形尺寸：(PN6.4-16.0)DN外形尺寸LHHl6.4MPa10.0/16.0MPa151801803051052018020034010525200220340120322202303401204024024035513550270300355135653003403601408033036039517100380400185125450415215150500430225200550495260250650545310300800600355350850640395400900690435500950780495电话：021-51870563)