Pneumatic Circuit Keeps Wine Alive Customer Application: Pneumadyne was approached by a group of Design Engineers to develop a hand-held vacuum gun that could be attached to a wine preservation unit. Field testing of the ?rst generation unit that they had designed also revealed the need for changes within the pneumatic circuitry to ensure that the system consistently functioned as required. Pneumadyne re-engineered the customer’s original concept to create a Central V acuum Unit that is a modular, more aesthetically appealing system. Application Requirements: The preservation unit had to function at 26” Hg System electronics needed to be able to run a self-check for leaks A method of counting cycles was required to indicate the number of uses at any given time Improve the overall look of t

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