Samson 3725 Compact Electropneumatic Valve Positioner with 4-20mA and Self-Calibrating for Control Valves
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Product Overview The Samson 3725 is a compact, self-calibrating electropneumatic positioner for pneumatic globe and rotary valves. It is a single-acting device that compares the control signal from the system with the actual valve stem position or opening angle, then sends a proportional pneumatic output to the actuator. Non-contact magnetoresistive sensing eliminates mechanical wear in the feedback path. The unit resists environmental effects and steam hammering. Three
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