2026-05-25Views：
simple answer: Yes, but not if you want to use it. You have passed the "physical examination.
The gas storage tank is a special equipment, and the 10-year warranty given by the manufacturer is actually the "recommended service life", which does not mean that it will be automatically scrapped in the 10th year and 1st day. For example, just like the recommended maintenance mileage of a car, it does not mean that the engine will break down immediately. The key is to look at the actual state.
What really decides whether it can continue to be used is the inspection results of the local quality supervision department. If you pass the inspection, you can continue to work. If the inspection fails, even if it has only been used for 8 years, it must be stopped and replaced.
after the expiration of the gas tank, you need to take the factory quality certificate and go to the local quality supervision bureau for inspection. Inspection items mainly include:
whether the tank body is thinned, whether the weld seam is cracked, whether the sealing ring is aging, and whether the safety valve and pressure gauge are still working. For gas storage tanks that are more than 5 years old, a hydraulic test must be done, that is, water is pumped into the tank to pressurize it to see if the tank can withstand it.
If you pass every inspection, it can be extended to a maximum of 15 years. But if you don't pass the test once, I'm sorry, you must replace it with a new can.
if the volume of your gas tank is less than 1 cubic meter, the working pressure is less than 10 kilograms, and the nameplate is marked with the words "simple pressure vessel", it will be exempted from inspection within 7 years and you do not need to register with the Quality Supervision Bureau. However, after the number of years has reached, it is still necessary to apply for inspection, and it is not up to you to decide.
no matter whether the warranty expires or not, the service life of the gas storage tank that is normally maintained in place will be significantly longer. There are a few things to do every day:
drain at least once a day. After the air compressor works, a large amount of water vapor will be generated, which will not be discharged at the bottom of the tank. Over time, the tank will rust from the inside, which is the biggest enemy of the gas storage tank.
Always take a look at the pressure gauge and safety valve. The pressure gauge is reset to zero normally and the safety valve can jump up, indicating that these two life-saving things are still working. If it fails, it must be replaced immediately.
Every month to see if the tank rust spots, bumps, deformation. Gas storage tanks in coastal areas or chemical environments corrode faster and should be inspected frequently.
if you use a water-lubricated air compressor, the life of the gas tank will be much better.
The water-lubricated air compressor uses water instead of oil in the compression process, and there is no oil in the air discharged and no carbon deposits will be produced. Ordinary oil air compressor for a long time, oil and gas will form carbon deposits on the pipeline and tank wall in the tank. More carbon deposits will not only affect heat exchange, but also have the risk of spontaneous combustion in serious cases. The air from the water lubricated air compressor is clean, there will be no sludge and carbon accumulation in the tank, and the inside of the tank is always relatively fresh.
Moreover, the temperature of the compression process of the water-lubricated air compressor is controlled more smoothly, the gas entering the gas storage tank will not be hot and cold, the tank body will bear less thermal expansion and contraction pressure, and the aging speed of the weld and sealing ring will also be slower. some.
In addition, the gas discharged from the water-lubricated air compressor contains less water. With the normal drainage every day, the problem of water accumulation in the gas storage tank will be much lighter, and it is less likely to corrode from inside to outside.
Therefore, it is also due in 10 years. The air storage tank equipped with a water-lubricated air compressor often has a higher probability of passing through when reporting for inspection, and the actual usable years may also be longer.
The expiration of the 10-year warranty is not the end point, but a "must go to physical examination" node. After the physical examination, I continued to use it, but the physical examination was replaced. At ordinary times, drain water, check the safety valve and look at the tank body. Coupled with a clean and oil-free air source such as a water-lubricated air compressor, the gas storage tank will be used for several years without any problem. But don't be lazy and don't report for inspection, that is the real security risk.
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