Large mains that carry substantial amounts of water to sections of a town or city are referred to as?

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Large mains that carry substantial amounts of water to sections of a town or city are referred to as primary feeders. These mains are essential components of a water distribution system, serving as the primary conduits through which large volumes of water are transported from the treatment plants or water sources to various neighborhoods or areas within the municipality.

Primary feeders are designed to handle substantial flow rates and provide the necessary pressure and capacity to meet the demands of both residential and commercial users, as well as for fire suppression needs. Their larger diameter enables the efficient delivery of water, reducing friction losses and maintaining adequate pressure throughout the system.

In contrast, secondary feeders and distributors serve different roles in the water distribution hierarchy. Secondary feeders branch off from primary feeders to supply water to smaller mains or directly to the consumers, while distributors are typically smaller mains that connect directly to service lines providing water to individual properties. Branch lines, on the other hand, are even smaller, providing distribution within local areas and residential neighborhoods.

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