Kitchen Hood Gas Shut Off Valve

If the heat source is electrical a shunt trip breaker is required to automatically disconnect the cooking equipment when the fire suppression system is activated.

Kitchen hood gas shut off valve. The gas valve is allowed to be open only when the fan is operational or the damper is 100 open. Ansul r 102 kitchen fire suppression systems are equipped with a mechanical gas valve that is intended to seal off the gas line running to the cooking appliances when the system is discharged. Don t add combustion air. When turned back on the pilot lights just leak gas and make an explosion risk.

5 trip electrical power under the hood typically shunt trip a main breaker feeding a subpanel for equipment under the hood. The clearly labeled emergency gas shut off valve should be activated by pushing a highly visible button with a keyed reset mechanism to turn the gas supply back on when the emergency is over. Vent smoke 3 force any incoming air fan to stop even if turned on manually. Gas safety is such a critical part of the general safety guidelines in a commercial kitchen.

Note that some sort of gas valve is already required by the hood fire suppression system make it electric instead of cable. Regularly serviced and maintained gas systems would prevent fire. Electrical gas valves and electrical switches for automatic equipment and gas line shut off and building fire alarm control panel interface. So all new cookers have electronic spark igniters and old ones are scrap due to this rather unnecessary change in regulations.

4 trip the gas valve for appliances under the hood. The standard for safety and operations for a commercial kitchen have to be adhered to. The keyed reset feature can also be used by the teacher to shut off the gas when it is not needed in lieu of the control valve mentioned above. 2 2 2 wet chemical agent.

Automatic gas shut off valve or a shunt trip breaker is required for cooking equipment that are protected by hood fire suppression system. The gas valve shall be equipped with a manual reset integral or otherwise. A kitchen hood and ventilation system will include an exhaust hood or canopy ductwork fan. Gas units and appliances have to be installed fitted operated and repaired by competent persons.

2 force the exhaust hood fan to run even if turned off manually. The extinguishing agent shall be a specially formulated aqueous solution of organic salts with a ph range between 7 7 8 7 designed for flame knockdown and. All that is required is a gas solenoid shut off valve wired into the exhaust fan starter auxiliary contacts. The gas valve must be controlled by a draft proving switch measuring draft within the hood.