Fisher 3661 Series Electro-Pneumatic Valve Positioner with 4-20mA Analog Input Single-Acting for 90 psi Max Outlet Pressure
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Product Overview The Fisher 3661 is an electro-pneumatic single-acting valve positioner designed for use with various actuators on sliding-stem valves for throttling applications. It provides a valve position proportional to a standard milliampere DC input signal received from a control device. The positioner design provides accurate, fast-responding instrumentation able to withstand the vibrations of most plant environments. Low steady-state air consumption contributes to
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