1. Butterfly valve Signal butterfly valve GD-371X It is a butterfly valve with an additional electrical signal box. The electrical signal box will provide a signal to the control room to notify the status of the valve open or closed. It is also known as a butterfly valve with a monitoring switch, or in other words a mechanical butterfly valve, which is controlled by the steering wheel handwheel, but is equipped with a set of monitoring and control switches that can notify the status of the valve. open/close state to the control room. This type of valve is often used to notify and warn operators and system maintainers about the current status of the valve.
GD-371X signal butterfly valve is widely used in fire prevention and fighting water supply systems, Ningjin AP water supply systems for each area.