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2.1 Introduction The EP5 is a 2 wire loop powered positioner requiring a 4-20 mA control signal, and is designed for use with linear pneumatic valve actuators. The positioner compares the electrical signal from a controller with the actual valve position and varies a.
02 Feb 2017 Spirax Sarco announces the release of the EP500, the world’s first ergonomically designed electropneumatic valve positioner. The EP500 has a cast aluminum enclosure that is suitable for outdoor installations. It utilizes simple force-balance control technology and can be mounted onto pneumatic actuators with strokes between 10mm and 70mm. With two gauges to indicate the supply air pressure and the output pressure to the pneumatic actuator, zero and span adjustments are easily accomplished. For more information, visit.