API RP 6DR: 2006 Repair and Remanufacture of Pipeline Valves

American Petroleum Institute (API). First Edition, February 2006. 22p. This Recommended Practice (RP) provides guidelines for the repair and remanufacture of steel ball, check, gate, and plug valves normally used in pipeline applications, as defined by API Spec 6D.
This RP covers repair or remanufacturing of end user’s (owner’s) valves for continued service in the owner’s production applications. It does not cover repair or remanufacture of used or surplus valves intended for resale