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Digital vs. Analog Control in Proportional Applications

... Most electronic pressure regulators employ an inlet valve to increase pressure to the regulated volume, another valve to exhaust ... in learning more about digital proportional control, check out Clippard's exciting new Cordis series of electronic proportional ...
History: 1950s

... devices. All they had at the time was a cylinder, a valve, and a few fittings they'd used for their own purposes. Early dealers ... to discuss new products, resolve issues, and even simply check in. Over the years, these personal interactions have demonstrated to ...