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  • Users: seffrican
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  1. seffrican

    Valve ball surface treatment

    I have a large number of metal seated ball valves (ranging from 50mm to 350mm in the digester section of a pulp mill. Product is highly corrosive sulphide black liquor and So2 gas at a ph of 1.5. I was hoping someone could offer some advice on the most cost-effective method of hardfacing the...

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