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API RP 591

M00021460

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API RP 591 Process Valve Qualification Procedure, Sixth Edition

standard by American Petroleum Institute, 04/01/2019

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This recommended practice (RP) provides recommendations for evaluation of a manufacturer's valve construction and quality management system for the purpose of determining a manufacturer's capabilityto provide new valves manufactured in accordance with applicable standards listed. Testing per this recommended practice that does not have an established requirement in the applicable standard is for information only.