Universal quick-disconnect coupling and valve

A fluid connector for a liquid container comprising

• a fitment adapted to be attached to a container for holding a liquid, said fitment comprising
• a generally cylindrical spout having an external surface provided with a thread capable of mating with a threaded supporting collar of a first type of dispensing connector;
• a generally cylindrical slider movable axially within said spout;
• a valve mounted within said slider, said valve having a closed position and an open position, said valve being biased toward said closed position, and being adapted to be moved from said closed position to said open position by insertion of a dispensing connector into said slider;
• a removable external adapter ring having internal threads mating with said external threads of said spout,
• said external adapter ring having a distal end and having a first radially outward extending external flange at said distal end adapted to contact a supporting clamp of a second type of dispensing connector,
• said external adapter ring having a second radially extending flange adapted to position said second type of dispensing connector on said adapter ring said radially extending flange having a periphery and being provided with at least two wings extending from said periphery adapted to engage threads of a supporting collar of a third type of dispensing connector.