主要零件材料：零件名称阀体球体阀杆密封圈KHB-100CKHB-160CKHB-320C35/451Cr181Cr18Ni9Ti尼龙KHB-100PKHB-160PKHB-320P304/1Cr18Ni9Ti304/1Cr18Ni9TiKHB-100RKHB-160RKHB-320R316/Cr18Ni12Mo2Ti316/1Cr18Ni9Ti黄江进口车采样车***器材运输车)