蜗轮法兰衬氟蝶阀采用带有球形密封表面的衬聚四氟乙烯包衬蝶板，配以阀座基部的硅橡胶衬垫调节阀门的密封性能；该阀门操作轻便，严密的密封性能，超长的使用寿命；可作快速切断或调节流量之用。适用于要求可靠密封和良好调节特性的场合。衬氟蝶阀阀体采用分体式，阀轴两端的密封由蝶板与阀座之间的旋转基面加氟橡胶来控制；从而达到产品结构紧凑、外形美观，工艺合理、性能可靠。保证阀轴不与腔内流体介质接触，更换阀轴时非常方便，阀门不需要拆离管道即可完成。零部件材料：序号零件名称灰铸铁铸钢不锈耐酸铸钢超低碳不锈耐酸铸钢ZCPRPLRL1阀体/阀盖HT250WCBCF8CF8MCF3CF3M2蝶板WCBCF8CF8MCF3CF3M3阀杆1Cr132Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti00Cr18Ni10000Cr17Ni14Mo24衬里/阀座PTFE(F4),PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO5紧固销2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti00Cr18Ni10000Cr17Ni14Mo26填料PTFE(F4)7填料压盖WCBCF8CF8MCF3CF88支架WCBCF8CF89紧固螺栓351Cr17Ni21Cr18Ni210螺母451Cr18Ni90Cr18Ni9连接尺寸：公称通经LDD1D2fbZ-φdDD1D2fbZ-φdDN(mm)NPS(inch)PN1.0MPaPN1.6MPa403/2106145110853184-φ18145110853184-φ185021081601251003204-φ181601251003204-φ18655/21121801451203204-φ181801451203204-φ188031141951601353224-φ181951601353228-φ1810041272151801553228-φ182151801553248-φ1812551402452101853248-φ182452101853268-φ1815061402802402103248-φ232802402103288-φ1820081523352952653268-φ2333529526533012-φ232501025039035032032812-φ2340535532033212-φ253001227044040036832812-φ2346041037543412-φ253501429050046042843016-φ2352047043543816-φ254001631056551548243216-φ2558052548544016-φ304501833061556553243220-φ2564058554544420-φ305002035068062058543420-φ2570565060844620-φ346002439078072568553620-φ3084077071855420-φ417002843089584080054024-φ3091084078855424-φ4180032470101095090554424-φ34102095089855424-φ419003651011101050100554628-φ341120105099855428-φ4110004055012201160111555028-φ3412551170111056028-φ48)