☆YK43F高压气体减压阀主要技术参数和性能指标公称压力(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X/F(聚四氟乙稀/橡胶)：OY(硬密封)：GB12245-1989*：壳体试验不包括膜片、顶盖☆YK43F高压气体减压阀流量系数(Cv)DN1520253240506580100125150200250300350400500Cv12.546.591625366410014025040057078010201500☆YK43F高压气体减压阀主要零件材料零件名称零件材料阀体阀盖底盖WCB/FCB*阀座阀盘2Cr13/304*缸套2Cr13/25(镀硬铬)/304*活塞2Cr13/铜合金/铜合金*活塞环合金铸铁/对位聚苯*导阀座导阀杆2Cr13/304*膜片1Cr18Ni9Ti主阀导阀弹簧50CrVA调节弹簧60Si2Mn密封垫(X/F型号)橡胶/聚四氟乙稀导阀体导阀盖25/304**：减压阀用于氧气介质时的材料☆YK43F高压气体减压阀外形尺寸(PN1.6-4.0)单位：mm公称通径DN外形尺寸LHHl1.6/2.5MPa4.0MPa15160180290902016018030098251802003001103220022030011040220240320125502502703201256528030032513080310330365160100350380365170125400450475200150450500475210200500550515240250650560290300800705335350850745375400900780405450900730455500950835465☆YK43F高压气体减压阀外形尺寸(PN6.4-16.0)单位：mm公称通径DN外形尺寸LHHl6.4MPa10.0/16.0MPa151801803001002018020031010525200220311203222023031012040240240335135502703003351356530034034014080330360380170100380380185125450490215150500490225200550535260250650580310300800725355350850765395400900800435500950855495☆YK43F高压气体减压阀连接形式法兰式：RFFMRJ执行准备：JB79GB9113ANSIB16.5先导活塞式气体减压阀工作原理及其结构(参看结构图))