REFRIGERATION CYCLE - operations.fnal.gov

Vacuum Liquid Nitrogen 1-phase Heluim 2-phase Helium Superinsulation This is a diagram of the Proton transfer line, but all fixed target transfer lines are constructed similarly. The transfer line consists of five stainless steel tubes that hold vacuum and superinsulation, spacers (not shown), liquid nitrogen, two-phase helium, and single-phase ...

  Liquid, Vacuum, Vacuum liquid