The regulator shall be protected in accordance with Clause 5. When identified in accordance with Item b or c , the identification intervals shall not exceed 20 ft 6 m. This requirement shall apply to stationary engines and turbines of all inputs, and the ventilation openings shall be arranged to minimize short circuiting of the exhausted and make-up air streams. This additional automatic safety shut-off valve may be located upstream of the regulator required by Clause 7. See also Clause 4.

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Akinoshicage Changes to Section 8 in the b Gas turbine may also refer to the turbine element. Natural gas piping or propane vapour phase piping with operating pressures exceeding psig kPa and all liquid piping clde be at least Schedule 80 if joints are either threaded or threaded and back welded. Wash-mobile — a mobile outdoor unit that uses propane-heated water, or a solution, for the purposeof cleaning.

January 33 Replaces p. Changes to Section 5 in the edition affect the following sub-sections: Section installatiion of the Code describes the requirements for piping and tubing systems, gas hose, and fittings in natural gas and propane installations.

The door shall nothave a glass panel or vent and shall be of b Type L — a vent complying with ULC S and consisting of factory-made parts, each designed to be assembled with the others without requiring field fabrication. Section 3 — Definitions Section 3 of the Code provides definitions of terms used within the Code. The minimum size of pipe, tubing, and fittings shall be naturap in accordance with good engineering practice, such as a by the use of Tables A.

Inspection shall be adequate to confirm that sound joints have been made. Revision to Clause 4. Changes to Section lropane in the edition affect the following sub-sections:. Because of this used market, they will often be installed on renovations or new projects.

The valve used for this purpose shall be at the point of entryof the piping system to the building. For higher operating pressures, tubing and fittings shall be rated for a minimum of psig kPa. All measurements shall be taken between the outermost projection of the appliance and surrounding structure or property line after the appliance has been installed. Many of the amendments consolidate subjects so that a gas technician has to only look in one place for the b Changes in Version of B Service regulator — a pressure regulator installed on a service line to control the pressure of the gas delivered to the customer.

Set pressure — the start-to-discharge pressure for which a relief valve is set and marked. For the propane technician working in the field, propaane can be a challenge to determine what has been deleted, added or amended, since the last Code was published.

January 21 Replaces p. Revisions to Clauses 6. Section 8 — Venting systems and air supply for appliances Section 8 of the Code describes the insyallation for venting systems and air supply for appliance installations.

For natural gas having a relative density otherthan 0. Quick disconnect devices or gas convenience outlets. Dwelling unit — a housekeeping insallation used or intended to be used as a domicile by one or more persons, and usually containing cooking, eating, living, sleeping, and sanitary facilities.

This increase shall be made at the connection on the device. There is a used nautral for these heaters and they can still be functional, if well maintained, after 30 years. When identified in accordance with Onstallation b or cthe identification intervals b B Natural gas and propane installation code b Notes b The adoption of the Code is done by each province and territory separately with some Authorities Having Jurisdictions AHJ adopting the Codes immediately and others taking several years.

Tent trailer — a vehicular portable structure built on its own chassis and having a rigid or canvas top and side walls that may be folded or otherwise condensed for transit.

Dust pocket — see Dirt pocket. The relieving pressure setting of the line relief device shall be not higher than that of the lowest-rated component or accessory located downstream.

A typical type is the T-bar-constructed suspended ceiling. When discharging downward, it shall be provided with a protective screen.

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Gas codes and standards

It is designed to a ensure the ready escape of flue gases from the combustion chamber in the event of either no draft or stoppage downstream from the draft hood; b prevent a b Emergency shut-off valve — a valve that is part of a system that is designed to limit and shut down the flow of propane in the event that a vehicle moves b Quick disconnect devices or gas convenience outlets. For the propane technician working in the field, it can be a challenge to determine what has been deleted, added or amended, since the last Code was published.


CSA B149.1

This Code does not apply to a marine or pipeline terminals; b gas where used as a feedstock in petroleum refineries or chemical plants; c utility pipeline distribution and transmission pipelines; d storage and handling of liquefied natural gas or underground formations for natural gas; e the installation of NGV fuel systems, containers, and refuelling stations; f the storage and utilization of compressed natural gas on boats; g the installation of vehicle-refuelling appliances when NGV storage containers are installed as part of the system; h refrigerated storage or underground formations for propane; i propane used on boats; j propane used as a propellant in aerosol containers; k butane fuel cylinders of 6. This Code and any Standards referenced in it do not make or imply any assurance or guarantee with respect to the life expectancy, durability, or operating performance of equipment and materials referenced in the Code. SI metric equivalents may be approximate. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative mandatory or informative non-mandatory to define their application.



The major changes from the previous edition include the following: Updated Scope exclusions Clause 1. Updated reference publications Clause 2. Updated definitions Clause 3. Updated requirements for electrical connections and components Clauses 4. Updated requirements for high-altitude installations Clause 4. Updated requirements for delivery pressure Clause 5. Updated requirements for pressure regulators Clause 5.

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