API Spec 14A-1994
Subsurface Safety Valve Equipment
standard by American Petroleum Institute, 12/01/1994
Full Description
Covers subsurface safety valves, safety valve locks, and safety valve landing nipples. Includes minimum acceptable standards for materials, manufacturing, and testing of both surface- and subsurface-controlled safety valves for 3 classes of service. (Includes Errata Dated September 1996 and Supplement dated December 1997)