| 摘要 |
A postmix value for a beverage dispenser, including a volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a syrup piston and a soda piston linked together, syrup and soda chambers, and valve means for controlling the flow to and from the chambers. The soda pressure drivers the pistons. The valve means preferably includes four solenoid valves for the water circuit and four one-way valves and a pressure regulator for the syrup circuit. This valve can be used with any of a figal, a bag-in-box, a gravity tank, or a non-returnable container under no pressure or under a low pressure of 5 to 10 psig. This invention also includes a non-returnable, pressurizable syrup container.
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