ANSI Z21.58A-2008 pdf download Outdoor Cooking Gas Appliances
1.1 Scope
1.1.6
An outdoor cooking gas appliance conforming to 1 .1 .5-b2 and that is capable of accepting either a 20 lb (9.1 kg) or a 30 lb (1 3.6 kg) LP-gas cylinder, shall have all applicable tests in Part I, Construction, and Part II, Performance, conducted with both size cylinders.
1.1.7
This standard applies to outdoor cooking gas appliances operating at inlet gas pressures not to exceed psi (3.5 kPa) for connection to a fixed fuel piping system:
a. For use with natural gas;
b. For use with manufactured gas;
c. For use with mixed gas;
d. For use with liquefied petroleum gases; and
e. For use with LP gas-air mixtures.
This standard also applies to outdoor cooking gas appliances designed for connection to self-contained LP-gas supply systems (see 1 .6, Self-Contained LP-Gas System):
a. Operating at regulated outlet pressures not to exceed 1 1 in wc (2.74 kPa); and
b. Operating at regulated outlet pressures in excess of 1 1 in wc (2.74 kPa) but not greater than 5 psi (34.5 kPa).
The construction of outdoor cooking gas appliances for use with the above-mentioned gases is covered under Part I, Construction.
The performance of outdoor cooking gas appliances for use with the above-mentioned gases is covered under Part II, Performance.
1.1.10
An outdoor cooking gas appliance having integral mounting and retention means shall be designed so a spare 20 lb (9.1 kg) or 30 lb (1 3.6kg) LP-gas cylinder cannot be stored within any enclosure, or under the firebox of the appliance.
1.2 General Construction And Assembly
1.2.4 Burners shall be supplied in one assembly including the burner head, venturi, air shutter and all other parts downstream of the orifice. Removable burner heads of multi-piece top burners and burner parts, other than the air shutter, designed to be movable during normal operation of the outdoor gas grill need not be part of the one assembly; however, shall be supplied with the one assembly.
1.2.5 If provided, an RV grill with a pullout mounting or storage system shall have means to lock the storage system in place in the fully extended and storage positions.
1.2.7 The general construction and assembly shall be of a neat and workmanlike character with parts well fitted and bolts or other fasteners drawn up tightly to give rigidity. Exposed edges, with which the user may reasonably come in contact during normal use or adjustment of the outdoor cooking gas appliance, shall not be sharp. This includes bottoms of legs of portable outdoor cooking appliances that are in contact with the ground.

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