How often should vehicle gas cylinders be inspected?

1 Answers
Simon
08/30/25 8:08am
Vehicle gas cylinders are generally inspected every 3 or 5 years. Here are the relevant details: 1. Vehicle liquefied petroleum gas (LPG) cylinders: Inspected every 5 years, with the first periodic inspection date calculated from the manufacturing date. 2. Vehicle liquefied dimethyl ether (DME) cylinders: Inspected every 5 years, with the first periodic inspection date usually calculated from the installation supervision inspection date. 3. Vehicle fiber-wrapped gas cylinders: Inspected every 3 years, with the first periodic inspection date usually calculated from the installation supervision inspection date. 4. Vehicle compressed natural gas (CNG) cylinders: The first and second periodic inspections are conducted every 3 years, and after the second inspection, inspections are carried out every 2 years. For taxi cylinders, the first periodic inspection is every 2 years, and the second inspection has a validity period of 1 year. The first periodic inspection date is usually calculated from the installation supervision inspection date. 5. Vehicle welded insulated gas cylinders: Inspected every 3 years, with the first periodic inspection date usually calculated from the installation supervision inspection date.
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