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API 598 Valve Inspection and Testing

API 598 Valve Inspection and Testing by American Petroleum Institute (2023) — available for instant access at Publications Office.

API 598 American Petroleum Institute (API) 2023

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About this publication

This standard covers inspection, examination, supplementary examinations, and pressure test requirements for resilient-seated, nonmetallic-seated (e.g., ceramic), and metal-to-metal-seated valves of the gate, globe, plug, ball, check, and butterfly types. This standard supplements the API standards that reference it, but it may also be applied to other types of valves by agreement between the purchaser and the valve manufacturer. See Annex A for information to be specified by the purchaser.