Mobile air compressors as complete units are not classified as special equipment; however, if their accompanying pressure vessels have a volume of ≥25 L and a working pressure of ≥0.1 MPa, they qualify as pressure vessels under the…

The decommissioning of air compressor pressure vessels shall be carried out in accordance with TSG 21; the principal circumstances include exceeding the service life, failing inspection, and the presence of irreparable defects. Periodic inspections serve as the key…