安徽阀门Z941W电动不锈钢闸阀 湖北凯斯特阀门厂家直销
垫片 304L PTFE 304L PTFE 316L PTFE
316L PTFE 石墨 304 Graphite 304 压盖 ZG1Cr181Ni10 ZG00Cr18Ni10
ZG1Cr18Ni12Mo2Ti ZG00Cr17Ni14Mo2 WCB 填料压环 1Cr18Ni9Ti 00Cr18Ni10
1Cr18Mi12Mo2Ti 00Cr17Ni14Mo2 1Cr13 螺栓 1Cr171Ni2 1Cr171Ni2 1Cr171Ni2
1Cr171Ni2 35CrMoA 螺母 1Cr18Ni9Ti

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