Gas cylinders should be worn with a helmet

A cylinder filled with various gases has a bottle valve that controls the gas flow in and out of the bottle mouth. A cap is worn on this bottle valve to ensure that the bottle valve is not mechanically damaged and that it is safe. It is an important accessory for the cylinder and is called a safety helmet.

A cylinder filled with various gases (including liquefied gases) has a valve at its upper end that controls the entry and exit of gases. The structure of the bottle valve is smaller than the bottle body, and it forms a right angle between the bottle and the valve joint, which makes it the most vulnerable part. Moreover, bottle valves are mostly made of copper alloys and their strength is not as good as that of the cylinder body. Therefore, during transportation and use of cylinders, due to careless operation, falling cylinders, or bottle valves colliding with hard objects, it is easy for the bottle valves to rupture at the bottleneck. The bottle valve is broken and the gas inside the bottle is out of control, which often leads to a serious accident. Full bottle of hydrogen and oxygen, the pressure in the bottle is up to 150 kgf/cm2. Once the bottle valve is broken and the gas is ejected at high speed, the gas bottle will rush in the opposite direction, which can damage the machinery and equipment and even destroy the building; if the bottle Internal toxic gases such as liquid chlorine, but also a serious poisoning accident; if the bottle is liquefied gas, rapid gasification after the release, the volume is expanded several hundred times, will spread to a large range; if the bottle is easy to install Combustion and explosive gas (liquefied gas) are mixed with air after rushing out. In the event of an open flame, combustion and explosion will occur. Therefore, the breakage of the bottle valve is more dangerous than the normal leakage, running and squeezing accidents.

In order to eliminate the above-mentioned dangers and prevent accidents, people attach hats to gas cylinders because it is an important safety accessory. Gas cylinders are put on hard hats to protect not only the valve against impact, but also grease and dust. Such as intrusion. Therefore, the bottle-making unit is required to have a safety helmet when the cylinder is shipped from the factory. When using the gas, unscrew the safety helmet and place it in a fixed place. Put it on tightly after use and tighten it. Do not throw it. Do not forget to wear a safety helmet when carrying and handling. Inflatable units must not be inflated for cylinders without helmets.

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