www.pmmag.com/articles/88291-flowserve-pmv-d3-digital-positioner
Flowserve PMV D3 Digital Positioner
February 24, 2005

The high-performance PMV D3 from Flowserve Corp. is designed for the control of linear and rotary control valves and has gained ATEX EEX approval as an explosion-proof device. It has applications in a variety of industries and processes where control valves are used, including oil and gas production and refining, pulp and paper, and food processing. With an onboard microprocessor, the Flowserve PMV D3 offers a number of "intelligent" features, including auto-calibration, digital control of valve flow characteristics, password protection, process diagnostics, alarm settings, and multi-language menus.