Final rule · 2025-12068

Pipeline Safety: Standards Update-API Spec 6D

This DFR amends PHMSA's regulations to incorporate by reference the updated industry standard API Spec 6D, Specification for Valves. This updated standard will maintain or improve public safety, prevent regulatory confusion, reduce compliance burdens on stakeholders, and satisfy a mandate in the National Technology Transfer and Advancement Act (NTTAA) of 1995.