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Last Updated: Oct 12, 2022
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ASTM F721-18(2022)
Standard Specification for Gauge Piping Assemblies
Standard Specification for Gauge Piping Assemblies
F0721-18R22
ASTM|F0721-18R22|en-US
Standard Specification for Gauge Piping Assemblies
Standard
F721 Standard Specification for Gauge Piping Assemblies>
new
BOS Vol. 01.07 Committee F25
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Abstract
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.
Scope
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.