YK43X-16C先导活塞式气体减压阀由主阀和导阀两部分组成。主阀主要由阀座、主阀盘、活塞、弹簧等零件组成。导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。通过调节调节弹簧压力设定出口压力、利用膜片传感出口压力变化，通过导阀启闭驱动活塞调节主阀节流部位过流面积的大小，实现减压稳压功能。本产品主要用于气体管路，如空气、氮气、***气、氧气、煤气、氢气、氨气、液化气、***、压缩空气等气体。YK43X-16C先导活塞式气体减压阀主要技术参数和性能指标：DN1520253240506580100125150200250300350400500Cv12.546.591625366410014025040057078010201500YK43X-16C先导活塞式气体减压阀外形尺寸(PN1.6-4.0)YK43X-16C先导活塞式气体减压阀外形尺寸(PN6.4-16.0)：公称通径DN外形尺寸LHHl1.6/2.5MPa4.0MPa15160180290902016018030098251802003001103220022030011040220240320125502502703201256528030032513080310330365160100350380365170125400450475200150450500475210200500550515240250650560290300800705335350850745375400900780405450900730455500950835465公称通径DN外形尺寸LHHl6.4MPa10.0/16.0MPa151801803001002018020031010525200220311203222023031012040240240335135502703003351356530034034014080330360380170100380380185125450490215150500490225200550535260250650580310300800725355350850765395400900800435500950855495)