With the continuous development of the special gas industry, the need for Dewar bottles, which are used to transport special gas storage tanks, is increasing in the industry, and their effect is also increasingly prominent, although Dewar bottles and other products in the industry have gained better development, but about some general knowledge of Dewar bottles, it is estimated that few people understand, although its use is widespread, but in our daily life is not common, we We need to have a certain understanding of its operating procedures.

1、Ensure that the workplace has excellent ventilation conditions, the oxygen content in the air should be higher than 18% (volume concentration).

2, all equipment on the Dewar bottle (including connections, pipes and valves) shall not be covered with oil, grease and other combustible materials.

3, the valve should be opened slowly by hand. If the valve is damaged or perhaps can not be opened by hand, do not use wrenches and other things to force open, should immediately contact with the equipment manufacturer.