API 6D Pipe Line Valves, End Closures, Connectors and Swivels
API 6F Recommended Practice for Fire Test for valves
API STD 527
Seat Tightness of Pressure Relief Valves R(2002)
Describes methods of
determining the seat tightness of metal and soft-seated pressure relief valves,
including those of conventional bellows and pilot-operated designs
API 593 Ductile Iron Plug Valves - Flanged Ends
API 598 Valve Inspection and Test
API 600 Steel Gate Valves
API 601 Metallic Gaskets for Refinery Piping
API 602 Compact Design Carbon Steel Gate Valves
API 604 Ductile Iron Gate Valves Flanged Ends
API 605 Large Diameter Carbon Steel Flanges
API 607 Fire Test for Soft Seated Ball Valves
API 609 Butterfly Valves
API 1104 Standard for Welding Pipeline and Facilities