Gas Safety Regulations

GAS SAFETY REGULATIONS

The ValveShop gas solenoid valves are UL YLOZ Automatic Safety Shut-Off Valves and are listed to UL 429 Electrically Operated Valves.

They comply with AGA (American Gas Association), CSA/ANSI Z21-21-CGA6.5 FM & CSD-1 Acceptable.

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Commercial Kitchens

NFPA (54) Code 10.3.5.1 & 10.3.5.2 (2002)

• A valve shall be located on the main gas line feeding the appliances served by the gas hood and shall stop the flow of gas to the appliances upon loss of draft. No by-pass of the gas solenoid valve is allowed.

• Where automatically operated gas utilization equipment is vented through a ventilating hood or exhaust system equipped with a damper or with a power means of exhaust, provisions shall be made to allow the flow of gas to the main burners only when the damper is open to a position to properly vent the equipment and when the power means of exhaust is in operation.

• The gas valve must be controlled by a draft proving switch measuring draft within the hood. The gas valve is allowed to be open only when the fan is operational or the damper is 100% open.

Laboratories

409.6 Shutoff valve for laboratories – IMC 2021

Where provided with two or more fuel gas outlets, including table-, bench- and hood-mounted outlets, each laboratory space in educational, research, commercial and industrial occupancies shall be provided with a single dedicated shutoff valve through which all such gas outlets shall be supplied. The dedicated shutoff valve shall be readily accessible, located within the laboratory space served, located adjacent to the egress door from the space and shall be identified by approved signage stating “Gas Shutoff.”

7.9.2.4 – NFPA54 for laboratories

Shutoff Valves for Laboratories. Each laboratory space containing two or more gas outlets installed on tables, benches, or in hoods in educational, research, commercial, and industrial occupancies shall have a single shutoff valve through which all such gas outlets are supplied. The shutoff valve shall be accessible, located within the laboratory or adjacent to the laboratory’s egress door, and identified.