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1) 规格: DN40 - DN600 2) 设计标准: API594 / DIN 3) 连接法兰: ANSI / DIN / BS 4) 压力等级: 1.6Mpa 材质: Body: Cast Iron, Ductile Iiron, Stainless steel, Cast steel Disc: Ductile Iron, CF8, CF8M Sealing: EPDM, NBR, VITON, PTFE Stem: 416SS,316SS
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