At present, the commonly used industrial Dewar bottles are divided into two specifications of medium pressure and high pressure according to the size of the pressure used. The safety discharge pressure of medium pressure lng Dewar bottle is generally at 1.6MPa, i.e. the safety valve will open automatically when the pressure inside the bottle reaches 1.6MPa in daily use. The same volume of two different sizes of Dewar bottles in the production process, all the accessories and materials are basically the same, high-pressure industrial Dewar bottle liner wall thickness than the medium pressure lng Dewar bottle thick 1mm or so, in addition, in accordance with national standards, high-pressure industrial Dewar bottle safety discharge for the burst valve, this device in the medium pressure lng The difference between the safety valve of the Dewar bottle is that once the peak safety pressure is reached, after opening the automatic release, the pressure is reduced to the safe range of medium pressure lng Dewar bottle will automatically close. While the high-pressure industrial Dewar bottle will not automatically close. In the process of daily use, medium pressure lng dewars are often used to fill LNG liquefied natural gas, while high pressure industrial dewars are often used to fill liquid oxygen, liquid nitrogen, liquid argon, LNG.

    Because of the different filling media, liquefaction temperature is different, various media are strictly prohibited to mix. Otherwise, it is very likely to be dangerous. Users need to choose different Dewar bottles with different filling specifications and different pressure according to their own filling media and daily use. Liquid Nitrogen,Liquid Nitrogen,Liquid Nitrogen,Liquid Argon and Liquid LNG.Hebei Runfeng Low Temperature Technology will customize the Dewar bottle solution according to the different needs of users.