Abbreviations

•  CI - cast iron
•  CS - carbon steel
•  DI - ductile iron
•  SS - stainless steel

Ball Valve standards

API Standards

• API Spec 6D - Specification for Pipeline Valves, End Closures, Connectors and Swivels
• API Std 598 - Valve Inspection and Test

ASME Standards

• ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through 24
• ASME B16.10 - Face to Face and End to End Dimensions of Valves
• ASME B16.20 - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed
• ASME B16.25 - Buttwelding Ends
• ASME B16.34 - Valves Flanged, Threaded and Welding End

BSI Standards

• BS 2080 - Specification for face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves
• BS 5159 - Specification for cast iron and carbon steel ball valves for general purposes
• BS 5351 - Specification for steel ball valves for the petroleum, petrochemical and allied industries

ISO Standards

• ISO 7121 - Steel ball valves for general-purpose industrial applications

MSS Standards

• MSS-SP-61 - Pressure Testing of Steel Valves
• MSS-SP-72 - Ball Valves with Flanged or Butt-Welding Ends for General Service
• MSS-SP-84 - Steel Valves, Socket Welding and Threaded Ends

Flange Ball valve Sizes - Varies Face to face dimensions for full and standard port valves is the same.  All ball valves 2" and below are both standard and full port valves.
	Flanged Ball Valves, Full Port ANSI Class 150, CS (in) ANSI Class 300, CS (in) ANSI Class 600, CS (in) ANSI Class 900, CS (in) ANSI Class 1500, CS (in)		Flanged Ball Valves, Standard Port ANSI Class 150, CS (in) ANSI Class 300, CS (in) ANSI Class 600, CS (in) VANSI Class 900, CS (in) ANSI Class 1500, CS (in)

Socket, Threaded Ball valve Sizes - 1/2" through 4"
	Socket/Threaded Ball Valves ANSI Class 600, CS (Skt / Thd) (in)