2026-04-10Views：
Air storage tanks are pressure vessels in special equipment, and their specific classification depends on the design pressure and volume. According to China's Special Equipment Safety Law and other relevant regulations, pressure vessels are generally divided into category I and II.
A type of pressure vessel: usually refers to a pressure vessel with a storage medium of inert gas (such as air, nitrogen, water vapor, etc.), a volume of more than 0.03 cubic meters and a design pressure of less than 1.6 MPa. If the design pressure and volume of the air storage tank meet these conditions, it will be classified as a type of pressure vessel.
Class II pressure vessels: refers to pressure vessels with a design pressure greater than or equal to 1.6 MPa but less than 10 MPa and a volume greater than or equal to 0.03 cubic meters. If the design pressure and volume of the air storage tank are within these ranges, it will be considered a Class II pressure vessel.
To sum up, the air storage tank can belong to class I or class II pressure vessel, which depends entirely on its design pressure and volume. When using this type of equipment, relevant safety regulations must be strictly observed, and regular maintenance and inspection must be carried out to ensure its safe operation.
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