Standard Specification for
Automatic Shut-Off Valves (Also Known as Excess Flow
Valves, EFV) for Air Or Nitrogen Service1
This standard is issued under the fixed designation F 1793; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
click below Astm F 1793 – 97 (Reapproved 2004) pdf free download