要零件材质: 阀体/阀盖 :ZG1Cr18Ni9Ti ZG00Cr18Ni10 ZG1Cr18Ni12M02Ti ZG00Cr17Ni14M02 WCB 阀杆 : ZG1Cr18Ni9Ti ZG00Cr18Ni10 ZG1Cr18Ni12M02Ti ZG00Cr17Ni14M02 WCB 阀瓣: ZG1Cr18Ni9Ti ZG00Cr18Ni10 ZG1Cr18Ni12M02Ti ZG00Cr17Ni14M02 WCB 垫片 :304+PTFE 304L+PTFE 316+PTFE 316L+PTFE 石墨+304 螺柱: 1Cr17Ni2 35CrMoA 螺母 : 1Cr18Ni9Ti 45