Samson 3725 Self-Calibrating Electropneumatic Positioner with HART Communication and 4-20mA Input for Control Valves
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Product Overview The Samson 3725 is a compact, self-calibrating electropneumatic positioner designed for attachment to pneumatic globe and rotary valves. It is a single-acting positioner that compares the input control signal from the control system with the actual valve stem position or opening angle, then outputs a corresponding pneumatic signal to the actuator. The unit features non-contact magnetoresistive position sensing, so there are no mechanical wearing parts in the
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