该阀具有双重密封装置，除填料外还有不锈钢波纹管作密封元件。适用于******、渗透性强、带***性的介质，以及对密封性有严格要求的工业管路上。Thevalvehasdoublesealingdevice,besidespackingstainlessbellowscanbeusedassealingelement,Thevalvecanbesuitabletoindustrialpipelineofeasilybursting,he***yo***osis,rsdioactivitymediaandofstrictuydemandingforsealing.主要零件材料Materialformainparts零件名称Produsttype阀体Body阀盖Bonnet阀杆Stem波纹管Bollow阀瓣Disc阀杆螺母Yokenut填料Packing垫片Washer手轮HandwheelWJ61HWJ41H-16CWCB堆焊不锈钢WCB2Cr131Cr18Ni9Ti1Cr18Ni9Ti堆焊硬质合金ZQA19-4柔性石墨缠绕式垫片KT35-10WJ61HWJ41H-25WJ61HWJ41H-40WJ61HWJ41H-16PZG1Cr18Ni9Ti1Cr18Ni9Ti柔性石墨或聚四氟乙烯缠绕式垫片或聚四氟乙烯WJ61HWJ41H-25PWJ61HWJ41H-40P主要外形尺寸和连接尺寸Mainexternalandconnectingdimensi***DNLDD1D2bfD0Hn-φz1.6(PN16)151309565461421002364-142015010575561621002424-142516011585651631252864-1432180140100761831252954-1840200150110841831503304-1850230165125992031503504-18652901851451182032004004-18803102001601322032004308-181003502201801562232504658-181254002502101842232505058-181504802852402112433006138-2220060034029526624342071412-2225073040535531926350081012-2630085046041037028467091012-26)