Plug Valve Standards

API Standards

• API Spec 6A - Specification for Wellhead and Christmas Tree Equipment
• API Spec 6D - Specification for Pipeline Valves, End Closures, Connectors and Swivels
• API Std 599 - Metal Plug Valves - Flanged, Threaded and Welded Ends

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 B16.34 - 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 5158 - Specification for cast iron plug valves
• BS 5353 - Specification for steel plug valves

MSS Standards

• MSS SP-61 - Hydrostatic Testing of Steel Valves
• MSS SP-78 - Cast Iron Plug Valves
• MSS SP-84 - Steel Valves - Socket Welding & Threaded Ends