The ball valve is designed and manufactured according well to API 6D. Floating ball when small caliber, and fixed ball when large caliber. It has fire protection structure and antistatic device. Widely used for petroleum，chemistry，water treatment industries.
Main part & material
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Part name
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Material
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body
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WCB,ZG1Cr18Ni9Ti,CF8
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ball
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1Cr18Ni9Ti 304,316
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stem
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1Cr18Ni9Ti 304,316
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seal ring
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Polytetrafluoroethlene
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packing
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Polytetrafluoroethlene
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