MI 011-476
January 1980
Instruction
A Siebe Group Company
Model 43AP Pneumatic Controller, Style B
Installation and Operation
Model 43AP Controller continuously detects the difference between a process measurement and
its set point, and produces an output air signal that is a function of this difference and the type of
control. The output signal is transmitted to a control valve or other control device. The process
measurement, set point, and output signal are indicated on the controller.
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