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ULVAC CRYOGENICS INCORPORATED
Liquid nitrogen provides temperature as low as -196°C. If liquid nitrogen is handled
without protective wear, frostbites, loss of sight, and other risks are anticipated. Be
sure to wear leather gloves, goggles, trousers without turnips, etc. to handle liquid
nitrogen. In addition, take care of liquid nitrogen transport piping, too. In this unit,
there is a part with danger of burns if it is touched directly. Carry out maintenance,
repair, etc. at least 30 minutes after the unit is stopped.
In this unit, high-pressure Helium gas is filled. To disassemble or dispose of the unit,
parts, and others, be sure to discharge gas (under regular maintenance, there is no
need to discharge gas). In addition, never attempt to install the apparatus under the
atmosphere of hydrochloric acid-based, chlorine gas-based, and other corrosive
gases.
5. Danger of Explosion: DO NOT expose to
corrosive gases.
4. Danger of burns or frostbites:
Never touch high temperature and
ultra-low temperature parts.
