Manual 3-Way Ball Valve with Signal Feedback is mainly designed to display the opening and closing status of the valve, enabling remote monitoring and confirmation of the valve status. Compared with ordinary ball valves, which do not have opening and closing status display and can only be judged manually, the Manual 3-Way Ball Valve with Limit Switch is mainly composed of a manual ball valve and a position transmitter (mechanical or proximity type). It is mainly applied to occasions where switch signal feedback display is required during manual operation.