Gate Valve standards

API Standards

• API Spec 6D - Specification for Pipeline Valves, End Closures, Connectors and Swivels
• API Std 595 - Cast-Iron Gate Valves, Flanged Ends
• API Std 597 - Steel Venturi Gate Valves, Flanged, Buttwelding Ends
• API Std 598 - Valve Inspection and Test
• API Std 600 - Steel Gate Valves, Flanged and Butt-welding Ends, Bolted Bonnets
• API Std 602 - Steel Gate, Globe, and Check Valves for Sizes NPS 4 (DN 100) and Smaller for the Petroleum and Natural Gas Industries
• API Std 603 - Corrosion-Resistant, Bolted Bonnet Gate Valve - Flanged and Butt-welding Ends
• API Std 604 - Ductile Iron Gate Valves, Flanged Ends
• API Std 605 - Large-Diameter Carbon Steel Flanges (Nominal Pipe Sizes 26 Through 60, Classes 75, 150, 300, 400, 600, and 900)

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

AWWA Standards

• AWWA C500 - Standard for Metal Seated Gate Valves for Water Supply Service
• AWWA C509 - Standard for Resilient-Seated Gate Valves for Water Supply Service

BSI Standards

• BS 1414 - Specification for steel wedge gate valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
• BS 2080 - Specification for face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves
• BS 5150 - Specification for cast iron gate valves
• BS 5151 - Specification for cast iron gate (parallel slide) valves for general purposes
• BS 5154 - Specification for copper alloy globe, globe stop and check, check and gate valves
• BS 5157 - Specification for steel gate (parallel slide) valves
• BS 5163 - Specification for predominantly key-operated cast iron gate valves for waterworks purposes
• BS 5352 - Specification for steel wedge gate, globe and check valves 50 mm and smaller for the petroleum, petrochemical and allied industries

ISO Standards

• ISO 5996 - Cast iron gate valves
• ISO 6002 - Bolted bonnet steel gate valves

MSS Standards

• MSS SP-42 - Corrosion-resistant Gate, Globe, Angle and Check Valves with Flanged and Butt-weld Ends
• MSS SP-45 - Bypass and Drain Connection Standard
• MSS SP-61 - Hydrostatic Testing of Steel Valves
• MSS SP-70 - Cast Iron Gate Valves, Flanged and Threaded Ends
• MSS SP-80 - Bronze Gate, Globe, Angle and Check Valves
• MSS SP-81 - Stainless Steel, Bonnetless, Flanged, Wafer, Knife Gate Valves
• MSS SP-84 - Steel Valves - Socket Welding & Threaded Ends
• MSS SP-86 - Guidelines for Metric Data in Standards for Valves, Flanges, Fittings and Actuators

Flange Gate Valve Sizes - 1/2" through 24" 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 Wedge Gate Valves ANSI Class 150-2500, CS, Weight (in) 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) ANSI Class 2500, CS (in)		Knife Gate Valves Standard, ANSI Class 150, CS (in) Wafer, ANSI Class 150, CS (in)