3661 Electro-Pneumatic Valve Positioner 4-20mA Input for Control Valves
منتوج وصف
Product Overview The 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 efficient
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