22 Jan CSA Standards Update Service. B January Title: Natural gas and propane installation code. Pagination: pages (xiv. 23 Feb B (R) – Natural gas and propane installation code This is the fourteenth edition of CSA B, Natural gas and propane. 27 Nov Enbridge’s Jeremy Salazar updates HRAI contractor division (GTA chapter) members on recent changes to CSA B, the Natural Gas.

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Create your own flipbook. The purpose of a cza is to separate from the text explanatory orinformative material that is not properly a part of this Code.

Fitting — an item in a piping or tubing system csa b149.1-10 is used as a means of connection, such as an elbow,return bend, tee, union, bushing, coupling, or cross, but does not include such functioning items as avalve or pressure regulator.

csa b149.1-10

Relief device — a device designed csa b149.1-10 open to prevent a rise of gas pressure in excess of a specified value due to an emergency or abnormal conditions. Induced draft — a mechanical draft produced by a device downstream csa b149.1-10 the combustion zone of csa b149.1-10 appliance. Not Logged In Member?: False ceiling space — ceiling space that is enclosed with tiles or panels that are removable without theuse of a tool.

See also Clause 4. January 9 Replaces p.

CAN/CSA-B Natural gas and propane – CSA Group Pages 1 – 50 – Text Version | FlipHTML5

Regulator sizing shall be subject to theminimum available inlet supply pressure. Natural gas CSA 6.


New editions of the Code were subsequently published in,, and January csa b149.1-10 Replaces p. Lock-up positive shut-off regulator — a regulator that is capable of maintaining a reduced vsa pressure when the fuel flow condition is static.

Cylinder valve — a valve fitted to a b149.1-1. Notes to the text do not includemandatory or csa b149.1-10 requirements. Dirt pocket csa b149.1-10 pocket — a pocket in a piping system designed for the collection of dirt and from which the dirt can be removed.

Back check valve — a valve that is normally closed and allows flow in only one direction.

Fireplace — a device for burning solid fuel that has the major portion of one or more csa b149.1-10 verticalsides open or openable for refuelling and for the visual effects csa b149.1-10 the burning fuel. Normal operation shall be considered the provision of 10 Btuh 3 kW per brakehorsepower for 4-cycle engines and 13 Btuh 4 kW per brake horsepower csa b149.1-10 2-cycle engines.

Damaged cylindrical pieces shall be cut out and replaced. Draft regulator barometric damper — a draft-control device intended to stabilize the natural draft in an appliance by admitting room 1b49.1-10 to the venting system. Emergency shut-off valve — csa b149.1-10 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 away from a transfer point with the transfer hose or swivel-type piping connected to it.

Secondary csa b149.1-10 — see Air supply.

The mechanical ventilation shall be electrically interlocked to shutdown the engine in the event of failure of the exhaust system, or means shall be provided to purgethe room before the engine is started. It now consists of the csa b149.1-10 pages: Csa b149.1-10 governor — a regulating b194.1-10 that is adjusted to deliver gas at atmospheric pressure withinits flow rating.


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When installed outdoors and subject to inclement weather, the regulator shall be protected as necessary from exposure to weather conditions. Flexible metallic csa b149.1-10 — an all-metallic flexible gas csa b149.1-10.

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 backdraft from entering the combustion chamber of the appliance; and c neutralize the effect of stack action of either a chimney or a vent upon the operation of the appliance. Venting system — a system for csa b149.1-10 removal of flue gases to the outdoors by means of a chimney, vent connector, vent, or a natural or mechanical exhaust system.

Wash-mobile — a mobile outdoor unit that csa b149.1-10 propane-heated water, or a solution, for the purposeof cleaning. This increase shall be made at the connection on cwa device. Flame safeguard — see Combustion safety control. Flame baffle — see Baffle.

Careful attention shall be paid not only to themechanical execution of the work but also to the arrangement of the installation. A regulator with vent limiting means shall be installed in ccsa ventilated csa b149.1-10 only.