Z41H-10-DN15,Z41H-10-DN20,Z41H-10-DN25,Z41H-10-DN32,Z41H-10-DN40,铸钢闸阀
r2MoV




6


六角螺母


45、32ＣrMoV、25Cr2MoV
0Cr18Ni9、0Cr17Ni12Mo2




7


垫片


柔性石墨+不锈钢




8


上密封座

01/21 15:37