1.1 This specification covers details of gauge piping assemblies for pressure gauges with optional provisions for additional gauges, pressure switches, transmitters, and so forth, for use with steam, steam drains, feed water, condensate, fresh water, salt water, compressed air, fuel oil, and lubricating oil systems.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM F721-18(2022) Referenced Document
ASTM A105/A105M Standard Specification for Carbon Steel Forgings for Piping Applications
ASTM A106/A106M Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
ASTM A108 Standard Specification for Steel Bars, Carbon, Cold-Finished, Standard Quality
ASTM A182/A182M Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
ASTM A276 Standard Specification for Stainless Steel Bars and Shapes
ASTM A335/A335M Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
ASTM A576 Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality
ASTM B124/B124M Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes
ASTM B16/B16M Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines
ASTM B453/B453M Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B466/B466M Standard Specification for Seamless Copper-Nickel Pipe and Tube
ASTM B61 Standard Specification for Steam or Valve Bronze Castings
ASTM B62 Standard Specification for Composition Bronze or Ounce Metal Castings
ASTM B75 Standard Specification for Seamless Copper Tube
ASTM F721-18(2022) history
2022ASTM F721-18(2022) Standard Specification for Gauge Piping Assemblies
2018ASTM F721-18 Standard Specification for Gage Piping Assemblies
1981ASTM F721-81(2014) Standard Specification for Gage Piping Assemblies
1981ASTM F721-81(2008) Standard Specification for Gage Piping Assemblies
1981ASTM F721-81(2004) Standard Specification for Gage Piping Assemblies
1981ASTM F721-81(1998) Standard Specification for Gage Piping Assemblies