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ASTM F721-81(2004)

Historical Reaffirmation

Standard Specification for Gage Piping Assemblies

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1.1 This specification covers details of gage piping assemblies for pressure gages with optional provisions for additional gages, 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 the standard. The values given in parentheses are for information only.


This specification covers details of gage piping assemblies for pressure gages with optional provisions for additional gages, 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. A siphon shall be used as shown in all gage applications for steam systems to maintain a protective water seal between the gage and the steam supply.


SDO ASTM: ASTM International
Document Number F721
Publication Date Nov. 1, 2004
Language en - English
Page Count 4
Revision Level 81(2004)
Supercedes
Committee F25.11
Publish Date Document Id Type View
May 1, 2018 F0721-18 Revision
Oct. 1, 2022 F0721-18R22 Reaffirmation
Aug. 1, 2014 F0721-81R14 Reaffirmation
Nov. 1, 2008 F0721-81R08 Reaffirmation
Nov. 1, 2004 F0721-81R04 Reaffirmation
Jan. 1, 1992 F0721-81R98 Reaffirmation