Specialised valves crafted from brass, equipped with a spring-close lever, are designed for the swift and automatic cessation of fluid flow. These valves feature a lever handle that, upon release, promptly returns to its closed position, instantly obstructing the flow of liquids or gases. They find common application in emergency shutdown systems or scenarios demanding rapid flow control for safety or process management. The spring-close lever ensures automatic closure upon release, mitigating the risk of human error and providing an efficient method for halting flow in critical situations. This design is particularly valuable in industries where an immediate response to emergencies or system failures is paramount.