Oil and gas industries including lower carbon energy. Pipeline transportation systems. Subsea pipeline valves
This document defines the requirements for the **design, manufacturing, quality control, assembly, testing, and documentation** of ball, check, gate, plug, and axial onβoff valves for application in subsea pipeline systems for the petroleum and natural gas industries.
This document applies to **ASME Class 150, 300, 600, 900, 1500, and 2500 valves** intended for use in subsea pipelines. Use of these valves for any other purpose is outside the scope of this document.
This document is a supplement to API 6DSS, 3rd edition (2017), with Addendum 1 (2019) and Addendum 2 (2022), including Errata 1-3, the requirements of which are applicable with the additions specified in this document.
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