COMBINED VALVE

摘要

A combined valve constructed by integrating a manual valve operating as a safety mechanism and a pilot valve. When a handle (55) of a knob (53) of the manual valve is at a safety mechanism release position (R), a valve mechanism can be opened and closed depending on whether or not there is air supply to an operation port (24). When the handle (55) is at the safety mechanism release position (R) and the valve mechanism is even in a valve open state, the valve mechanism can be forcibly brought to a valve closed state by turning the handle (55) to a safety mechanism set position (S). Further, when the handle (55) is at the safety mechanism set position (S), the valve mechanism can always be kept at the valve closed state irrespective of air supply to the operation port (24).