Standard Specification for Automatic Shut-Off Valves for Air or Nitrogen Service
|Publication Date:||10 April 1997|
|ICS Code (Valves in general):||23.060.01|
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 values 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.