| ANSI/ASME | American National Standards Institute and American Society of Mechanical Engineers |
| B1.1 | Unified Inch Screw Threads |
| B1.20.1 | Pipe Threads, General Purpose |
| B16.5 | Pipe Flanges and Flanged Fittings |
| B16.10 | Face-to-Face and End-to-End Dimensions of Ferrous Valves |
| B16.11 | Forged Steel Fittings, Socket-Welding and Threaded |
| B16.20 | Ring-Joint Gaskets and Grooves for Steel Pipe Flanges |
| B16.20 | Buttwelding Ends |
| B16.34 | Valves – Flanged, Threaded, and Welding End |
| B16.5 | Steel Pipe Flanges and Flanged Fittings |
| B18.2.1 | Square and Hex Bolts and Screws Inch Series |
| B18.2.2 | Square and Hex Nuts |
| B31.1 | Power Piping |
| B31.3 | Chemical Plant and Petroleum Refinery Piping |
| B31.11 | Code for Pressure Piping – Slurry Transportation Piping Systems |
| ASME | American Society of Mechanical Engineers |
| Section V | Boiler and Pressure Vessel Code Nondestructive Examination |
| Section VIII Div. 1 | Boiler and Pressure Vessel Code Rules for Construction of Pressure Vessels |
| ASTM | American Society for Testing and Materials |
| A275 | Standard Practice for Magnetic Particle Examination of Steel Forgings |
| A370 | Standard Test Methods and Definitions for Mechanical Testing of Steel Products |
| A388 | Standard Practice for Ultrasonic Examination of Steel Forgings |
| A609 | Standard Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof |
| E94 | Standard Guide for Radiographic Examination |
| E165 | Standard Practice for Liquid Penetrant Examination for General Industry |
| E709 | Standard Guide for Magnetic Particle Testing |
| NACE | National Association of Corrosion Engineers |
| MR-01-03 | Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments |
| MSS | Manufacturers Standardization Society Of The Valve and Fitting Industry |
| SP-6 | Standard Finishes for Contact Faces of Pipe Flanges and Connecting – End Flanges of Valves and Fittings |
| SP-25 | Standard Marking System for Valves, Fittings, Flanges and Unions |
| SP-44 | Steel Pipe Line Flanges |
| SP-45 | Bypass and Drain Connections |
| SP-53 | Quality standard for Steel Castings and Forgings for Valves, Flanges and Fittings and other Piping Components – Magnetic Particle Examination Method |
| SP-54 | Quality standard for Steel Castings and Forgings for Valves, Flanges and Fittings and other Piping Components – Radiographic Examination Method |
| SP-55 | Quality standard for Steel Castings and Forgings for Valves, Flanges and Fittings and other Piping Components – Visual Examination Method |
| SP-61 | Pressure Testing of Steel Valves |
| SP-72 | Ball Valves with Flanged or Butt-Welding Ends for General Service |
| SP-82 | Valve Pressure Testing Methods |
| SP-84 | Steel Valves – Socket Welding and Threaded Ends |
| SP-93 | Quality standard for Steel Castings and Forgings for Valves, Flanges and Fittings and other Piping Components – Liquid Penetrant Examination Method |
| SP-94 | Quality standard for Steel Castings and Forgings for Valves, Flanges and Fittings and other Piping Components – Ultrasonic Examination Method |
| API | American Petroleum Institute |
| 594 | Std. for dual check valves |
| 598 | Valve Inspection and Testing |
| 600 | Steel Gate Valves |
| 602 | General Valves Design Specification |
| 603 | Corrosion Resistant Gate Valve |
| 608 | Metal Ball Valves – Flanged, Threaded and Welding Ends |