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The main precautions for using pressure vessels are: 01 Ensure that all components on the pressure vessel are properly and securely installed before use； 02 Ensure that the pressure vessel is horizontally supported and securely fixed at the spacing (S) recommended by the manufacturer ； 03 Ensure that the fixation of pressure vessels and their piping connections have sufficient flexibility and cushioning capacity to accommodate the radial and axial expansion of the pressure vessels under pressure ； 04 Ensure that the system equipment provides overpressure protection (greater than 105% of the design pressure) for pressure vessels ； 05 Ensure regular inspection of end plates and piping connections, and replace any components that are corroded or damaged promptly ； 06 Ensure that all rubber seals and the inner surfaces of pressure vessels are properly lubricated before use ； 07 It is not allowed to attempt to remove any components from pressure vessels when under stress ； 08 No rigid fixation or connection of pressure vessels is permitted ； 09 It is not allowed to operate a pressure vessel without a thrust ring installed downstream of it ； 10 It is prohibited to use pressure vessels beyond their specified operating conditions ； 11 It is not allowed for pressure vessels to have any leaks during use, nor for the end plate components to remain in a wet state. 12 Operating beyond temperature and pressure limits is strictly prohibited ； 13 Regularly check that the safety accessories are complete, sensitive, and reliable ； Abnormal conditions are detected, such as working pressure, medium temperature, and wall temperature exceeding the allowable values and failing to be reduced ； Safety-threatening defects such as cracks, bulging, deformation, and leakage in the compressed components ； 14 In the event of a failure in the safety attachments, a break in the pipes, or damage to the fasteners, emergency measures must be taken, the issue must be addressed promptly, and it must be reported to the relevant authorities ； 15 Pressure vessel operators must receive training as required and obtain a certificate of qualification after passing an exam before they can operate independently.