Valve Standards
- A105 - Carbon steel forgings for piping applications
- ISO 5208-2008, Industrial Valves-Pressure Testing of Metallic Valves
- ASME B16.5-2003, Pipe Flanges and Flanged Fittings
- EN 10204-2004,Metallic products-Types of Inspection Documents
- MSS SP-25-2008, Standard Marking System for Valves, Fittings, Flanges, and Unions
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