What it means: A point or measuring station at which a gas distribution company receives gas from a pipeline company or transmission system.
See it in action: The city gate serves an important role in the natural gas distribution network, as the point where gas leaves the long distance transportation system for the lower pressure, more diffuse, systems of local distribution companies (LDCs) who deliver the gas directly to your home or business. Typically city gates have a predetermined required pressure range for the gas to be handed over to the local system. It is also where the odorant, mercaptan, is added to the gas, giving it that distinctive rotten egg smell.
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