Actuator valve for dispenser of carbonated beverages

A home dispenser device for carbonated beverages including a source of gas under pressure, a carbonated water reservoir, a syrup dispenser, a dispensing nozzle, actuator means for releasing syrup and carbonated water to said dispenser nozzle, a low pressure activated four-way valve for energizing said actuator means, said valve comprising a valve body having a through-going cylindrical bore, first and second resilient polymeric inserts mounted in sealing relation in the distal ends of said bore, said inserts including radially outwardly deflectible, axially inwardly directed cylindrical skirt members, first and second annular shoulder portions extending from said body radially into said bore, the distal ends of each said skirt being disposed in proximate spaced relation to a respective one of said shoulder portions, the external surfaces of said skirts being spaced from said bore to define first and second annular chambers, a valve spool axially movably mounted in said bore, first and second resilient annular seal members mounted in spaced relation on said spool and defining a waist portion therebetween, said seal members being slidable into sealing connection with portions of said bore disposed between said ends of said skirts, said spool being shiftable between first and second limiting positions, one said seal member being disposed in one said skirt in said first limiting position and the other said seal member being disposed in the other said skirt in said second limiting position, said seal members being sized radially outwardly to deform said skirts when the same are disposed therein, first and second ports formed in said body portion in communication, respectively, with said first and second annular chambers, and an inlet port formed in said body in communication with said waist portion.