I. Overview of API 6D StandardAPI 6D is a standard for pipeline valves formulated by the American Petroleum Institute (API). It is mainly used for the design and manufacturing of valves in long-distance pipelines, gathering and transportation pipelines, and related equipment in the oil and gas indus
Read MoreI. Overview of API 6D StandardAPI 6D is a standard for pipeline valves formulated by the American Petroleum Institute (API). It is mainly used for the design and manufacturing of valves in long-distance pipelines, gathering and transportation pipelines, and related equipment in the oil and gas indus