Traceable butterfly valve

They are defined as regional control valve.They are used as a cutting valve on the water supply lines to separate (control) in the neighborhood. The butterfly valve or rising national valve is used for the purposes or control purposes.The location of all valves used in fire systems should be visible and electrically monitoring.Butterfly valves are of the gear -boxed flywheel type.The monitoring key of the butterfly valves is in the valve and has an open closed position indicator.