Foxboro SRD911 Smart Valve Positioner with HART Communication and Auto-Calibration for Precise Electro-Pneumatic Valve Regulation
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Product Overview The Foxboro SRD911 Smart Valve Positioner is a compact, microprocessor-based electro-pneumatic instrument engineered to deliver precise and reliable valve positioning in process control loops. It receives a 4-20 mA DC input signal and converts it into a proportional pneumatic output pressure to drive either single-acting or double-acting valve actuators, supporting both linear and rotary valve applications. The SRD911 uses a proven torque motor with nozzle
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