CSA B149.1-10 PDF

Erstatter: CSA B (R) Alert Tilbaketrukket. Pris: NOK 3 ,00 (eks. mva) NOK 4 ,25 (ink. mva). Omfang: Preface This is the fifteenth. 4 Aug 1 to CAN/CSA-B, Natural gas andpropane installation code January Note:General Instructions for CSA Standar ds are now. 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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A draft hood may be built into an appliance, attached to an appliance, or made part of a vent connector. When identified in accordance with Item b or cthe identification intervals shall not exceed 20 ft 6 m.

The minimum size of pipe, tubing, and fittings shall be determined in accordance with good engineering practice, such as a by the use of Tables A. Careful attention shall csa b The minimumsize of pipe, tubing, and fittings shall be determined in accordance with Clause 6. It now consists of the following pages: Regulator sizing shall be subject to theminimum available v149.1-10 supply pressure.

January 1 Replaces p. Fireplace — a device for burning solid fuel that has the major portion of one or more essentially verticalsides open or openable for refuelling and for the visual effects of the burning fuel.

Natural gas piping or propane vapour phase piping with operating pressures exceeding psig kPa and all liquid piping shall be at least Schedule 80 if joints are either threaded or threaded and back welded.

Direct-fired vaporizer — a vaporizer in which heat furnished by a flame is directly applied to a heat-exchange surface in contact with the liquid propane to be vaporized. The venting of combination regulating and vaporizing equipment shall not vsa required where asolenoid valve is installed upstream of this equipment.


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

B194.1-10 relief valve — a pressure relief valve that is built into the body of the diaphragm assembly of a pressure regulator. Ventilation air — see Air supply.

Fast-closing valve — an automatic valve that has a closing time of less than 5 s upon being de-energized. Revised Contents, Clauses 1. This increase shall be made at the connection on the device.

Expanding pilot — see Pilot.

CSA B149.1-15

The regulator vent and relief device vent shall terminate outdoors. Factory-built chimney — csa b Cylinder valve — a valve fitted to a cylinder. Fan-assisted burner — see Burner. The purpose of a note is to separate from the text explanatory orinformative material that is not properly a part of this Code.

Draft — the flow of air or combustion products, or both, through cxa appliance and its venting system. If a double ventilation metalthimble is used, the same requirements shall apply, except that the thimble shall be at least 6 h149.1-10 mm larger in diameter than the pipe.

Where inspection reveals defective joints, they shall be cut out and replaced.


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 away from a transfer point with the transfer hose or swivel-type piping connected to it.

January 29 Replaces p. Line relief valve — a relief valve installed in the piping or tubing system downstream of a final-stage pressure regulator that is not equipped with an internal relief valve.

When either overloads or high starting loads are likely to be encountered, the size of piping shall becomputed on a basis proportional to the increased input required. Fireplace — a device for burning solid fuel that has the major portion of one or more essentially verticalsides open or openable for refuelling and for the visual effects of the burning fuel. January 51 Replaces csa b No other valve shall be used to control or terminate the purge; and c smoking shall not be permitted, and maximum precautions shall be taken to either remove or shut off any source or potential source of ignition prior to commencing the purge.

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Vent connector — that part of a venting system that conducts the flue gases from the flue collar of an appliance to a chimney or vent, and that may include a draft-control device. January 33 Replaces p. The valve used for this purpose shall be at the point of entryof the piping system to the building. 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.

The relieving pressure setting of the line relief device shall be not higher than that of csa b Notes to the text do not include mandatory or alternative requirements. The person doing the purging shall be in direct control of the purging gas supply duringthe purging operation by means of a valve having an attached operating handle.

This valve csa b