ASTM F1793-97(2004)
Historical Standard: ASTM F1793-97(2004) Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air Or Nitrogen Service
SUPERSEDED (see Active link, below)
ASTM F1793
1. Scope
1.1 This specification covers self-contained automatic shut-off valves (also known as Excess Flow Valves) for air or nitrogen service. They are intended to be installed as safety devices to quickly and automatically shut-off flow under certain excess flow conditions caused by a downstream failure or casualty such as a hose rupture.
1.2 The valves stated in this specification in inch-pounds units are to be regarded as the standard. The SI equivalent shown in parentheses are provided for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
F992 Specification for Valve Label Plates
American National Standards Institute (ANSI)
ANSIB16.34 ValvesFlanged, Threaded, and Welded EndMilitary Standards and Specifications
MIL-F-1183 Fitting, Pipe, Cast Bronze, Silver-Brazing, General Specification forGovernment Drawings
NAVSEA803-1385946 Unions, Bronze Silver Brazing, WOG for UT InspectionKeywords
Nitrogen atmospheres; Shipboard materials/applications--specifications; Shut-off valves; Air systems; Valves--marine vessels;
ICS Code
ICS Number Code 23.060.01 (Valves in general)
DOI: 10.1520/F1793-97R04
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