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A gate valve is one of the most widely used isolation valves in industrial and plumbing systems, designed to control fluid flow by lifting or lowering a gate (wedge) inside the body. Unlike valves meant for throttling, gate valves are built for reliable on/off service, offering a full, unobstructed bore that minimizes pressure drop when fully open. Their simple yet durable design makes them indispensable in industries such as water supply, wastewater treatment, oil and gas, chemical processing, and power generation, as well as in building plumbing systems where dependable shut-off is critical.