The appearance and working principle of the oxygen valve.
The high pressure chamber of the oxygen valve is connected to the cylinder, and the low pressure chamber is a gas outlet and leads to the use system. The indication of the high pressure gauge is the pressure of the stored gas in the cylinder. The outlet pressure of the low pressure gauge can be controlled by an adjustment screw.
When using, first open the cylinder main switch, then turn the low pressure gauge pressure adjusting screw clockwise to compress the main spring and drive the film, spring block and ejector to open the valve. The imported high-pressure gas is depressurized by the high-pressure chamber and then enters the low-pressure chamber and leads to the working system through the outlet. Turn the adjusting screw to change the height at which the valve opens, thereby adjusting the throughput of the high pressure gas and achieving the desired pressure value.
The oxygen valves are fitted with safety valves. It is a device that protects the pressure reducing valve and makes it safe to use, and it is also a signal device for the failure of the pressure reducing valve. If the outlet pressure rises by itself and exceeds a certain permissible value due to damage to the valve mat, valve or other reasons, the safety valve will automatically open the exhaust.
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