Demonstration of the ECV-750SS-4X controlling air flow from a 4-20mA signal generated by a process controller. The ECV Electronic Control Valves feature high resolution, no stick-slip, no hysteresis or backlash, a compact package, 12-24VDC power, and will track 4-20mA or 1-5V DC analog control signals. See www.hassmfg.com for more info.
