What is the primary function of a zero governor?

The primary function of a zero governor is to maintain a constant gas pressure at the inlet of the burners, which can be crucial for the efficient and reliable operation of gas appliances. By achieving a stable pressure, the zero governor helps ensure that gas is delivered to the burners in a controlled manner, which aids in achieving optimal combustion. This is particularly important in applications where varying gas pressures could lead to inefficient operation, unsafe conditions, or poor appliance performance.

It's important to understand that while converting burners, measuring gas flow, or regulating temperature are essential tasks in various gas systems, they do not fall under the specific function of a zero governor. The zero governor's focus on maintaining steady gas pressure is what distinguishes it from devices designed to manage other parameters in a gas system.