The EP500 is the World’s first ergonomically designed electro-pneumatic positioner. Combining outstanding accuracy and industry-leading reliability with an ease of installation, calibration and operation second to none.
Operating on a balanced forced principle, the EP500 control valve positioner combines time-tested technology with a modern design to accurately position your control valve whilst reducing installation and maintenance costs.
Find out more here http://bit.ly/1PJNaBA
آی-ویدئو