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High voltage insulation breaks are used in cryogenic lines with gas or liquid (helium, hydrogen, nitrogen, etc.) at a temperature range of 4.2-300K and pressure up to 30MPa to insulate the parts of an electrophysical facility with different electrical potentials. In 2013 JSC “NIIEFA” delivered 95 high voltage insulation breaks to the IO ITER, i.e. 65 breaks with spiral channels and 30 breaks with...
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