[[File:Dupree Twis-Loc Manual Valve Exploded Parts Drawing.jpg|frame|Dupree Twis-Loc Manual Valve Exploded Parts Drawing]]The valve position is indicated by the handle position; When the handle is fully extended the valve is in the open position. The valve is closed when the handle is aligned with, and locked into the body of the valve. | [[File:Dupree Twis-Loc Manual Valve Exploded Parts Drawing.jpg|frame|Dupree Twis-Loc Manual Valve Exploded Parts Drawing]]The valve position is indicated by the handle position; When the handle is fully extended the valve is in the open position. The valve is closed when the handle is aligned with, and locked into the body of the valve. |