Siemens 243-0011 Analog Relay Pneumatic Heavy Duty,
The 243 Analog Relays are pneumatic auxiliary devices
designe to assist the engineer in obtaining specialize
control action within a pneumatic control system.
Applications
The 243 Analog Relay is use for amplifying, summing,
differential pressure, ratio control higher pressure and
signal characterization control. The relay has a two-valve
design to ensure stability and prevent unnecessary air
consumption.
This relay does not require any adjustment or calibration
and can mounte in any position. An internal relief is
provided to assure fail-safe operation on loss of air supply.

