8554-87 Periodic Inspection and Assessment of Liquefied Petroleum Gas Cylinders
Liquefied petroleum gas (LPG) cylinders are widely used to store and transport LPG in various settings, such as households and industries. Due to the high pressures associated with storing and delivering LPG, these cylinders must be regularly inspected and assessed to ensure that they remain safe and compliant with statutory regulations. This article outlines 8554-87, the Chinese standard which outlines the requirements for the periodic inspection and assessment of LPG cylinders.
First, the standard describes the scope of the inspection. It applies to all LPG cylinders that are intended for use as pressure vessels for storing and transporting LPGs, including those used for both commercial and residential applications. The scope also covers all components used in the manufacture and assembly of the cylinders and the inspection and testing of welding seams.
The standard also outlines the necessary qualifications required of personnel carrying out the periodic inspection and assessment of LPG cylinders. It stipulates that these personnel must possess specialist knowledge of LPG cylinders and hold at least a middle-level professional certificate for LPG cylinder inspection and assessment. Furthermore, personnel must also possess at least two years of experience in the inspection and assessment of LPG cylinders.
The inspection procedures and requirements are then examined in detail, with specific criteria outlined for various stages of the inspection. At each stage, inspectors must evaluate the cylinder in order to determine its condition and compliance with regulations. This includes (but is not limited to) assessing the structural integrity of the cylinder and any components, examining welded seams, and conducting a hydrostatic test.
The standard then details the requirements and procedures for making repairs to LPG cylinders, such as replacing defective components or repairing damaged welds. All repairs must be carried out in accordance with safety regulations and manufacturer instructions.
Finally, the standard outlines the requirements for the re-assessment of LPG cylinders. This process involves a careful examination of the cylinder and any components and a detailed assessment of its condition to ensure that it is safe for use.
The 8554-87 standard provides comprehensive guidance for the inspection and assessment of LPG cylinders. It sets out a clear framework for the safe and compliant operation of LPG cylinders, and should be adhered to by all professionals in the field of LPG cylinders.
