Why do gas cylinders have caps?
Bottlenecks or fracture of the consequences of cylinder valves due to the high pressure gas bottle out of control and high pressure gas jet, its reaction make cylinders dashed to the opposite direction and can make the machine equipment, buildings were damaged, and even cause casualties, high-speed jet of gas bottle will be decided by the nature of the gas inside the cylinders and bring more serious secondary accidents (such as fire, explosion, poisoning, etc.). If the bottle is filled with combustible gas, static electricity generated by the intense friction of high-speed injection or other sources of fire can cause combustion explosion.
On the other hand: the cylinders valve exposed outside, in the process of handling, storage, it is easy to invade dust or grease substances, thereby bringing danger. Wearing a cap can prevent dust or grease contamination and invasion.
So the caps are very important to the cylinders.
