ASME – American Society of Mechanical Engineers Valve Standards

Flanges, Fittings, Valves & Parts

ASME B16.34 Valves - Flanged, Threaded, and Welding End.

ASME B16.10 Face to Face and End-to-End Dimensions of Valves.

ASME A522 Forged or rolled 8% and 9% nickel alloy steel flanges fittings valves and parts for low - temperature service.

ASME B834 Standard Specification for Pressure Consolidated Powder Metallurgy Iron-Nickel- Chromium-Molybdenum (UNS N08367) and Nickel- Chromium Molybdenum Columbium (Nb) (UNS N06625) Alloy Pipe Flanges, Fittings, Valves, and Parts.

ASME A350 Standard specification for forged or rolled carbon and alloy steel flanges forged fittings and valves and parts for low - temperature service.

ASME B462 Standard Specification for Forged or Rolled UNS N08020, UNS N08024, UNS N08026, UNS N08367, and UNS R20033 Alloy Pipe Flanges, Forged Fittings, and Valves and Parts for Corrosive High-Temperature Service.

ASME A961 Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, valves, and Parts for Piping Applications.

ASME A182/182M Standard Specification for forged or rolled alloy-steel pipe flanges, forged fittings and valves and parts for high-temperature service.

Butterfly Valves

ASME F1098 Standard Specification for Envelope Dimensions for Butterfly Valves - NPS 2 to 24 EI-1993 R(1993).

Globe Valves

ASME F885 Standard Specification for Envelope Dimensions for Bronze Globe Valves NPS 1/4 to 2 El-1996 R(1996).

ASME F1794 Standard Specification for Hand operated, Globe-Style Valves for Gas (Except Oxygen Gas), and Hydraulic Systems.

Reducing Valves

ASME F1370 Standard Specification for Pressure Reducing valves for Water Systems, Shipboard.

ASME F1565 Standard Specification for Pressure-Reducing Valves for Steam Service.

ASME F1795 Standard specification for Pressure-Reducing Valves for Air or Nitrogen Systems.

Relief Valves

ASME F1508 Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services.

Automatic Shutoff Valves

ASME F1793 Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air or Nitrogen Service.

Materials

ASME A105/105M Standard Specification for Carbon Steel Forgings for piping applications.

ASME A181/181M Standard Specification for Carbon Steel Forgings for General purpose piping.

ASME A727/727M Standard specification for carbon steel forgings for piping components with inherent notch toughness.

Valve Springs

ASME A230 Standard specification for steel wire oil - tempered carbon valve spring quality.

ASME A232 Standard specification for chromium - vanadium alloy steel valve spring quality.

Marking

ASME F992 Standard Specification for Valve Label Plates El-1997 R(1997).

Locking Devices

ASME F993 Standard Specification for Valve Locking Devices El-1997 R(1997).

Marine Applications

ASME F1020 Standard Specification for Line-Blind Valves for marine Applications El-1996 RI'1996).

ASME F1271 Standard Specification for Spill Valves for Use in Marine Tank Liquid Overpressure Protections Applications EI-1995 R (1995).

Oxygen Applications

ASME F1792 Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service.

Testing

ASME A338 Standard specification for ultrasonic examination of heavy steel forgings.