API Spec 11V1 (R2008)

API Spec 11V1 (R2008) PDF

Covers the design,manufacture, and testing of gas lift valves, reverse flow (check) valves, orifice valves, dummy valves and the WRVM's used as a receiver for those valves or other devices used to enhance oil well production or treat oil or gas wells. This specification was formulated to provide consistently manufactured equipment to a predictable level of quality. Technical content includes requirements for materials, tests and inspecting, welding, marking, storing, and shipping. This specification is intended as a quality-based specification and does not assure dimensional interchangeability between manufacturers.