ANSI Z21.72:2019 pdf free download – Portable type gas camp stoves
4.6.10 The torque required to shut off the control valve(s) shall not exceed 10 pounds force times the knob turning radius in inches (1.13 N times the knob turning radius in meters). The valve shall be cycled on and off to a torque equal to 20 pounds force times the knob turning radius in inches (2.26 N times the knob turning radius in meters) for 10 cycles. The valve will then shut off bubble tight at a torque of 10 pounds force times the knob turning radius in inches (1.13 N times the knob turning radius in meters).
4.6.11 Manual valves that comply with the Standard for Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves, ANSI Z21.15 • CSA 9.1, at the above temperature ranges need not comply with Clauses 4.6.7 through 4.6.9.
Shall be made of material not adversely affected by water, shall be attached by means of non-water- soluble adhesive and shall comply with Clause 5.11, Marking material adhesion and legibility. These materials shall not be located on surfaces having temperatures exceeding 300°F (149 °C) as determined during the conduct of Clause 5.8, Wall, floor, and ceiling temperatures. Class IIIA-2. Permanent Label Shall be made of material not adversely affected by water, shall be attached by means of non-water- soluble adhesive, and shall comply with Clause 5.11, Marking material adhesion and legibility. These materials shall not be located on surfaces having temperatures exceeding 175°F (79.5 °C) as determined during the conduct of Clause 5.8, Wall, floor, and ceiling temperatures. Class IIIA3. Permanent Tag Shall be made of material not adversely affected by water, shall be permanently secured by means of a flexible type fastener, and shall comply with Clauses 4.14.2 and 5.11, Marking material adhesion and legibility. These materials shall not be located where they will be exposed to temperatures exceeding 125°F (51.7 °C) as determined during conduct of Clause 5.8, Wall, floor, and ceiling temperatures. Class IIIB. Waterproof Marking Shall be printed directly on the part with waterproof marking not adversely affected by a temperature of 175°F (79.5 °C) and shall comply with Clause 5.11, Marking material adhesion and legibility. This marking shall not be used on surfaces having temperatures exceeding 175°F (79.5 °C) as determined during the conduct of Clause 5.8, Wall, floor, and ceiling temperatures.
4.14.7 For propane/butane mixtures and butane fuel, canisters shall be specified by the manufacturer and tested with the appliance. The appliance and instructions shall be marked with the model number of the canister recommended by the manufacturer and placed in the instructions.
4.14.8 If a removable, assembled, one-piece drip pan and grate is provided with an appliance employing a 2P or 2Q disposable butane canister, which is located inside the body of the appliance and meets all three specifications of Clause 5.12.1, a Class IIIA label shall be attached to the underside of the drip pan that pictorially shows the correct and incorrect placement of the assembly on the appliance. The incorrect assembly shall have an “X” or line through the assembly indicating it is incorrectly placed. The plate shall include the “DANGER” and “!” marks. The minimum size print shall have a height of 0.012 in (3.05 mm).
4.14.9 For an appliance utilizing a 2P or 2Q disposable butane canister located inside the body of the appliance, and if the drip pan and grate are shipped with the appliance in an inverted positon, a Class VI label (Tag) shall be placed on the inverted assembly explaining the proper position of the assembly and the possible hazard if operated in the inverted positon. The label shall explain to the user to remove the label upon use of the appliance.
