API American Petroleum Institute
6D Specification for Pipeline Valves
598 Valve Inspection and Test
607 Fire test for Soft Seated Quarter Turn Valves
608 Metal Ball Valves
ASME American Society of Mechanic Engineers
B16.5 Steel Pipe Flanges and Flanged Fittings
B16.10 Face to Face and End to End Dimensions of Ferrous Valves
B16.34 Steel Valves—Flanged and Butt Welding Ends
N31.4 Liquid Petroleum Transportation Piping Systems
B31.8 Gas Transmission and Distribution Piping Systems
ISO International Organization for Standardization
ISO 9001-2000 Quality Systems for Design/Development, Production, Installation, Servicing
ISO 5211 Topworks for Mounting Dimensions
BS British Standard
BS 5351 Steel Ball Valves for the Petroleum, Petrochemical, and Allied Industries
MSS Manufacturers Standardization Society
SP 25 Standard Marking System for Valves, Fittings, Flanges and Unions
SP 45 Bypass and Drain Connection Standard
NACE National Association of Corrosion Engineers
MR0175 Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment