Handle type signal butterfly valve

The utility model belongs to the field of valves, and particularly relates to a handle type butterfly valve. The handle type butterfly valve comprises a signal component, a handle, a connecting line, a signal cap, a signal cap flat gasket, a signal switch base, a connecting line protective skin, and a taper valve body, wherein the signal cap is formed once by stamping a steel plate and has good waterproof performance and dustproof performance, the signal switch base is formed once by stamping the steel plate and is coated with colored zinc so as to avoid rusting, the signal switch base is tightly combined with a signal switch, a handle fluted disc of the signal switch has certain height, the handle can be well switched in place by the signal switch, the signal that the handle is switched in place is offered to a client, the connecting line protective skin fully protects the connecting line so that the phenomenon that the connecting line is oxidized or damaged due to long time of exposure never occurs, and due