What is the purpose of a gas shut off valve?

The purpose of a gas shut-off valve is to prevent gas leakage. This valve is a critical safety feature in any gas installation, allowing for the immediate cessation of gas flow in case of an emergency or during maintenance. By closing the valve, the risk of gas leaks and potential hazards, such as explosions or asphyxiation, is significantly reduced.

Moreover, maintaining a gas shut-off valve as part of a gas fitting installation ensures that both systems and users are protected. In contrast to the other options, which focus on enhancing combustion, measuring gas pressure, or regulating flame color, the primary function of the gas shut-off valve is to ensure safety by controlling the gas flow effectively.