Preface
This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of cylinder connection devices. It is the result of years of experience in the manufacture, testing, installation, maintenance, inspection and research on cylinder connection devices designed for utilization of gas. There are risks of injury to persons inherent in appliances that, if completely eliminated, would defeat the utility of the appliance. The provisions in this standard are intended to help reduce such risks while retaining the normal operation of the appliance.
Nothing in this standard is to be considered in any way as indicating a measure of quality beyond compliance with the provisions it contains. It is designed to allow compliance of cylinder connection devices, the safety construction and performance of which may exceed the various provisions specified herein. In its preparation, full recognition has been given to possibilities of improvement through ingenuity of design. As progress takes place, revisions may become necessary. When they are believed desirable, recommendations or suggestions should be forwarded to the Chairman of Accredited Standards Committee Z21/Z83, 8501 East Pleasant Valley Road, Cleveland, Ohio 44131, or the Chairman of CSA Technical Committee, 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada, L4W 5N6.
Safe and satisfactory operation of a cylinder connection device depends to a great extent upon its proper installation, use and maintenance. It should be installed, as applicable, in accordance with the National Fuel Gas Code, ANSI Z223.1/NFPA54; the Natural Gas and Propane Installation Code, CSA-B149.1.
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 Standard for Outdoor Cooking Gas Appliances, ANSI Z21.58 . CSA 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, Items Unique to Canada, contains provisions that are unique to Canada
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