A post-mix beverage dispensing system comprising: a nozzle ; a diluent conduit (130 in fluid communication with the nozzle ; a concentrate conduit in fluid communication with the nozzle ; a flow control valve in fluid communication with the concentrate conduit and a source conduit ; and a concentrate source connected to the source conduit by a connector , the concentrate source including: a concentrate chamber containing a beverage concentrate, a pressurized outer container surrounding the concentrate chamber , wherein a pressure retained within the pressurized outer container is exerted on the concentrate chamber , and a valve assembly in fluid communication with an interior of the concentrate chamber , such that the connector opens the valve assembly , wherein the beverage concentrate and a diluent mix at the nozzle to dispense a beverage, wherein the connector comprises a valve activation device configured to engage the valve assembly to release beverage the liquid concentrate from within the concentrate chamber , and wherein the connector further comprises: a sealing collar to surround a portion of the pressurized outer container ; and a shaft in fluid communication with the source conduit . a nozzle ; a diluent conduit (130 in fluid communication with the nozzle ; a concentrate conduit in fluid communication with the nozzle ; a flow control valve in fluid communication with the concentrate conduit and a source conduit ; and a concentrate source connected to the source conduit by a connector , the concentrate source including: a concentrate chamber containing a beverage concentrate, a pressurized outer container surrounding the concentrate chamber , wherein a pressure retained within the pressurized outer container is exerted on the concentrate chamber , and a valve assembly in fluid communication with an interior of the concentrate chamber , such that the connector opens the valve assembly , wherein the beverage concentrate and a diluent mix at the nozzle to dispense a beverage, wherein the connector comprises a valve activation device configured to engage the valve assembly to release beverage the liquid concentrate from within the concentrate chamber , and wherein the connector further comprises: a sealing collar to surround a portion of the pressurized outer container ; and a shaft in fluid communication with the source conduit . a concentrate chamber containing a beverage concentrate, a pressurized outer container surrounding the concentrate chamber , wherein a pressure retained within the pressurized outer container is exerted on the concentrate chamber , and a valve assembly in fluid communication with an interior of the concentrate chamber , such that the connector opens the valve assembly , wherein the beverage concentrate and a diluent mix at the nozzle to dispense a beverage, wherein the connector comprises a valve activation device configured to engage the valve assembly to release beverage the liquid concentrate from within the concentrate chamber , and wherein the connector further comprises: a sealing collar to surround a portion of the pressurized outer container ; and a shaft in fluid communication with the source conduit . a sealing collar to surround a portion of the pressurized outer container ; and a shaft in fluid communication with the source conduit . <EOS>