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Relays and Control Modules

141

The 141 Positioning Switch is used to deliver any manually selected pressure over a range of 0 to 30 psi (0 to 207 kPa) to air-operated equipment. The adjustment knob can be left free to rotate or held in position by snapping the locking ring.

243

The 243 Reverse Acting Relay provides a proportional output signal that varies inversely with the input signal. A spring adjustment is provided to allow setting a desired reverse acting schedule required by a particular application.

243

A dual input, single output logic device, the 243 Highest Pressure Signal Selector, is used in pneumatic control systems to compare pressure signals.

243

The 243 Lowest and Highest Signal Selector is a six-input, dual output logic device for use in pneumatic control systems

243

The 243 Balance-retard Relay is gradual-acting, pneumatic devices designed to provide special functions such as balancing, signal retard, hesitation, and pressure limiting. 

 

243

The 243 Analog Relays are pneumatic auxiliary devices designed to assist the engineer in obtaining specialized control action within a pneumatic control system.

 

243

The 243 Switching Relay is a compact three-way air valve that can be used to perform a variety of switching and diverting functions

243

The 243 Multi-purpose Relay is pneumatic auxiliary devices designed to provide a variety of pneumatic control functions for the typical control system.

 

 

 

786

The 786 Selector Switch is used to deliver or stop the flow of compressed air to selected controllers valves, or dampers in commercial applications. The common port may be connected to two or three ports depending on the switch model.

Accessories Model C-2040

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