What is a gate valve used for?

A gate valve is the most common valve for water supply systems. It represents a linear-motion isolation valve and has a function to stop or allow the flow. Gate valves got their name from the closure element sliding into the flow stream to provide shutoff and, therefore, acting like a gate.

A gate valve is a type of valve used to control the flow of fluid in a pipeline. It operates by raising or lowering a gate (a wedge-shaped obstruction) to either block or allow the flow of the fluid. When the gate is fully raised, the valve is fully open, allowing maximum flow. Conversely, when the gate is fully lowered, the valve is closed, stopping the flow completely.

Gate valves are typically designed for either fully open or fully closed positions and are not suitable for regulating flow like some other types of valves. They are commonly used in applications where a straight-line flow of fluid and minimum restriction is desired, such as in water pipelines, sewage systems, oil and gas pipelines, and in various industrial processes.

One advantage of gate valves is their ability to provide a tight seal when fully closed, which helps prevent leakage. However, they can be slower to operate compared to other types of valves due to the time it takes to raise or lower the gate. Gate valves come in different designs and materials, including brass, stainless steel, and cast iron, to suit different operating conditions and fluid types.