PRINCIPLES of OPERATION
Figure 1 Compressor Flow Diagram
TSG Helium discharge temperature switch
ARV Atmospheric relief valve
IRV Internal relief valve
SV Solenoid valve
PG Pressure gauge
The compressor continuously draws low-pressure helium from the system return line. It
compresses, cools and cleans the gas, then delivers it through the system gas supply line to the
cold head. See Figure 1.
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