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Requalification of a ball valve (API-6D)
I am currently dealing with an ANSI 150 steel ball valve that is buried in an area that makes it very difficult to have it replaced. We would like to requalify the system in the future to 400 psig, which would require an ANSI 300 rated valve. The manufacturer has indicated that the existing...- fjcastro
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- Forum: API (American Petroleum Institute) Code Issues
