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What is a Gas Interlock System?
Also known as a gas safety interlock system, these devices provide a failsafe that helps maintain kitchen safety and reduces the risk of an accident. A gas interlock system restricts the flow of gas to any appliances until the ventilation system is on and working correctly.
The gas interlock system can prevent the build-up of carbon monoxide and nitrogen dioxide that present a significant threat to employee health. The interlock system is also designed to prevent explosions caused by a build-up of unburned gas.
A sensor built into the gas interlock system monitors airflow. Where there is none, or the flow is insufficient, the gas flow remains cut off. With the gas supply cut off, kitchen equipment cannot be used until the airflow improves.
Who needs a Gas Interlock System?
Ultimately, any business operating a commercial kitchen must have a gas interlock system fitted to meet British Standard BS6173 and the Gas Safe regulations. Failure to have a gas interlock system fitted could result in:
- Unacceptable health and safety risks to employees and the general public.
- Prosecution by the Health and Safety Executive.
- Closure of the kitchen until safety systems have been installed.
- Other fines that could threaten the financial future of your business.
- Gas Safety inspection failure
As such, it is imperative that any business operating a commercial kitchen with gas appliances has a gas interlock system fitted.
Gas Interlock System maintenance
Gas interlock systems require regular routine maintenance to ensure that they are functioning correctly in line with BS6173 standard. Failure to maintain systems could lead to operational issues that prevent the kitchen from working properly.
More importantly, your gas interlock system needs to be routinely checked to ensure that it is functioning as specified. Your gas safety devices need to be checked at least once a year to verify that airflow detection and gas cut off to perform as expected.
A qualified engineer will need to check each operating component of the system is working efficiently, including valves, sensors and pipework.
Who can work with Gas Interlock Systems?
Gas interlock systems can only be installed and repaired by Gas Safe certified engineers. It is also illegal for anyone who is not Gas Safe registered to carry out any work on a gas interlock system. Always ensure that any subcontractor hired to maintain your gas interlock systems is suitably qualified.
