The metal-seated gate valve is one of the earliest valve designs ever developed. It relies on the rotational torque of the handwheel to wedge the disc into the valve seat, creating a mechanical forced seal that guarantees the exceptional sealing performance of the sealing pair. The two sealing faces of the disc are precision-engineered to match the exact angles of the body seats; the disc moves perpendicular to the fluid flow direction and mates with the valve seats to reach the required sealing pressure, fully complying with national standards. Featuring premium copper alloy sealing faces, this valve delivers excellent corrosion resistance and high-temperature tolerance, making it ideal for harsh working conditions where standard rubber seals cannot be utilized. It is widely applicable in fire protection, civil air defense, industrial processing, and other water systems to connect or isolate pipeline flow, performing reliably as a maintenance valve, isolation valve, or drain valve.