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The gate valve is designed specifically to control the flow of water in plumbing systems. Its primary function is to either allow or stop the flow of liquid through a pipe when the valve is fully opened or closed. This type of valve operates by raising or lowering a gate within the valve body. When fully open, it provides minimal resistance to the flow, making it ideal for systems where the desired function is to control flow completely, rather than to adjust or throttle flow rates.

Gate valves are commonly used in large industrial applications and main water lines because they can be operated manually and allow for isolation of sections of a plumbing system for maintenance or repairs. Their design allows for a smooth flow path, thus minimizing pressure drop when the valve is open.

In contrast, other valves have different primary purposes. For instance, ball valves are often used for quick shut-off and are not ideal for throttling flows, while check valves are designed to prevent backflow rather than control the flow rate. Globe valves, while they can also regulate flow, are more suited for precise throttling due to their design, which creates a larger resistance to flow when fully open compared to a gate valve. Thus, for controlling the flow of water in plumbing systems, the gate valve stands out as