What type of valve is used to control the supply of water to various parts of an irrigation system?

The type of valve used to control the supply of water to various parts of an irrigation system is known as a control valve. These valves serve a crucial role by regulating the flow and distribution of water throughout the irrigation network, ensuring that each zone or area receives the correct amount of water as needed. This adjustment helps in managing water resources efficiently and effectively.

Control valves can be manually operated or automated, depending on the sophistication of the irrigation system. By adjusting the flow rate, they help in maintaining optimal watering schedules and promoting healthy plant growth while also conserving water. In various irrigation configurations, they might be placed at key points to provide precise control over water distribution.

Flow valves, while they do control flow, are more focused on maintaining the rate of water flow rather than adjusting it for different zones. Drain valves are specifically designed for purging water when necessary, and pressure relief valves are meant to protect the system from excessive pressure. Neither of these types serves the primary function of controlling water supply across different areas of an irrigation system like a control valve does.