Daily Operating Procedures
The UltraDoser 2K system can be fed by either a portable Dura-Cyl dewar or a bulk tank (house fed)
liquid nitrogen system.
Dura-Cyl Dewar Fed System
IMPORTANT: LN
2
is -320ºF (-196ºC). Any water and/or moisture can cause ice which will affect the
performance of the UltraDoser 2K system. Providing a positive pressure of GN
2
(also known as purging)
to the UltraDoser unit before introducing LN
2
into the body will eliminate many performance
interruptions.
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