What is the purpose of a gas shut-off valve?

The purpose of a gas shut-off valve is to stop the flow of gas in an emergency or during maintenance. This valve is a critical safety component in gas systems, allowing for immediate cessation of gas flow to prevent potential hazards, such as gas leaks or fires. In the case of emergencies, having a shut-off valve enables quick action to mitigate risks. Additionally, during routine maintenance or repairs, turning off the gas at this valve ensures the safety of the technicians working on the system, preventing accidental gas release.

While adjusting flow rates, venting excess pressure, and maintaining constant pressure are important functionalities in gas systems, they do not pertain to the primary function of a gas shut-off valve, which is focused specifically on halting gas flow for safety purposes.