API 6A VS. STANDARD 6D: KNOWING SURFACE & TRUNK APPARATUS DIFFERENCES

While both Specification 6A and API 6D standards deal with equipment used in the gas industry, they cover distinctly different applications. Standard 6A focuses on wellhead and bottomhole equipment, including valves , gate valves, safety valves, and restrictors, emphasizing their pressure-contain

While both API 6A and Standard 6D specifications deal with equipment used in the oil industry, they cover distinctly different applications. API 6A focuses on borehole and downhole equipment, including apparatus, gate valves, non-return valves, and throttling devices , emphasizing their pressure-