Non-refillable valve

Non-refillable valve for a pressure container, comprising:

• (a) a housing, having a central bore which has a lower portion that is narrower than the middle portion of said central bore and which has an upper portion that is narrower than middle portion of said central bore, and having a side port which communicates with the lower region of said middle portion of said central bore, the lower end of said housing being adapted to sealingly engage said pressure container in a manner which provides communication between said pressure container and said lower portion of said central bore;
• (b) an outlet nozzle, having a bore lengthwise therethrough, said outlet nozzle being positioned on the side of said housing and being in communication with said middle portion of said central bore via said side port in said housing;
• (c) valve stem means positioned in said upper portion of said central bore in a rotatable manner which advances the valve stem means back and/or forth in said central bore, a tube being mounted on the internal end of said valve stem means which extends into said middle portion of said central bore;
• and
• (d) a resilient valve sealing member which has a body portion, an upper flange that extends upwardly and outwardly from said body, a longitudinal passageway being present in the body portion, the bottom portion of the longitudinal passageway not extending through the bottom of the body portion, a vertical post being positioned in the middle of the longitudinal passageway, thereby forming a slot around the vertical post, said post slidingly engaging said tube on the bottom of said valve stem means, said flange portion of said sealing member being compressingly positioned in said upper portion of said central bore when said valve is inactive or being filled, said valve sealing member being pushed into said middle portion by means of said valve stem means when said valve is placed in the active position, said valve sealing member being seated against the interface between said middle and lower portions of said central bore when said valve is closed and said sealing member being positioned in said middle chamber above the seating interface when the valve is used for discharge of said container, and said sealing member sealingly engaging said seating interface when refill of container with pressurized fluid is attempted.