CSA CGA 2.29:97 (R2020)

Scope:

1.1.1
This Standard applies to newly-produced torches for use with propane, butane, natural gas, and MPS (methyl acetylene-propadiene stabilized). This Standard applies to torches that aspirate atmospheric air for combustion.

1.1.2
These requirements apply to hand-held torches intended for industrial applications such as brazing, soldering, pre-heating for welding, heat treatment, and general applications such as grass burning, paint removal, and the eradication of weeds and insects.

1.1.3
Torches covered by these requirements shall not be used with oxygen.

1.1.4
Torches covered by these requirements are intended
(a) for direct connection to
(i) specification TC-2P and TC-2Q non-refillable containers, meeting the requirements of CAN/CGSB-43.123 and the Transpo rtation of Dangerous Goods Regulations; or
(ii) specification TC-39 non-refillable containers, meeting the requirements of CAN/CSA-B339 and the Transportation of Dangerous Goods Regulations; or
(b) for direct connection to refillable containers meeting the requirements of CAN/CSA-B339 and the Transportation of Dangerous Goods Regulations;
(c) to incorporate an integral, refillable or non-refillable cylinder that meets the requirements of (a) or (b) above; or
(d) for hose connection to the fuel gas supply, with or without a regulator.

Note: Provided that a torch meets the requirements of this standard, there is no maximum or minimum rate of firing and except as noted in 1.5.13.1, there is no capacity limitation on the fuel container.

1.1.5
Torches covered by these requirements are intended to be used in accordance with the
(a) applicable provisions of CGA Standards CAN/CGA-B149.1, Natural Gas Installation Code, and CAN/CGA-B149.2, Propane Installation Code; and/or
(b) requirements of the authority having jurisdiction.

1.1.6
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 use of the product as originally anticipated by the intent of this standard.

1.1.7
This Standard applies to torches constructed entirely of new, unused parts and materials.