Precautions for use of Dewar bottles

  1. When the booster valve is not in use and after the gas is used up, be sure to close the booster valve

  2. When the booster valve is opened, it must be fully open, not half open.

  3. Do not wrap the raw material tape around the liquid outlet

  4. It is absolutely forbidden to put the Dewar bottle upside down

  5. If the safety valve continues to sneeze and does not return, directly spray the safety valve with water

  6 can't run out of liquid

     The main reason is the booster valve, either not fully open or not working

   7  There will be frost on the surface of the tank, especially at the position 30 cm above the ground.               This is not a leak, but a sign that the booster valve is working.


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