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Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings

This Standard Practice pertains to the finish of gasket contact faces of pipe flanges and connecting-end flanges of valves and fittings.
This Standard Practice is intended for applications to products for which ASME B16 Standards do not contain complete facing finish requirements or for which there are no such standards.


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October 27, 2021

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