1.1 SCOPE 1.1.1 This Standard covers CGA 791 (Type I) and CGA 810 (Type II) cylinder
connection devices, as defined in Part IV, Definitions, intended to
connect the cylinder valve on portable LP-Gas containers to the inlet
of the regulator on outdoor cooking gas appliances. These cylinder
connection devices are intended for vapour withdrawal service only. 1.1.2 The cylinder connection devices covered by this standard are used in
applications covered by: Outdoor Cooking Gas Appliances, ANSI Z21.58·CGA-1.6; 1.1.3 This Standard does not cover connection devices for engine fuel
applications. 1.1.4 A product that contains features, characteristics, components,
materials, or systems new or different from those in use when the
standard was developed, and that involves a risk of fire, electric
shock, or injury to persons, shall be evaluated using the appropriate
additional component and end-product requirements as determined
necessary to maintain the level of safety for the user of the product
as originally anticipated by the intent of this standard. 1.1.5 Exhibit A contains provisions that are unique to Canada.