Specifications for pressure testing of metal bellows
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Which standard specifies the pressure testing requirements for the metal bellows used in the flexible piping connections of refined oil storage tanks?
The pressure testing of metal bellows is usually carried out in accordance with the standard GB/T12777-2008 \"Pressure testing methods for metal hoses and hose fittings\". However, the specific specifications shall be in accordance with local relevant regulations and corporate standards. .
This is the newly issued test method specification. Are there any regulations regarding how often inspections should be carried out over the course of use?
During use, the inspection cycle for metal bellows is typically determined in accordance with the \"Safety Management Regulations for Pressure Pipelines\" and the company’s internal equipment maintenance procedures. It is generally recommended to conduct regular inspections and tests every 1 to 3 years to ensure the safe operation of the equipment. The specific inspection interval should be determined comprehensively based on the operating conditions of the bellows, the environment in which it is used, and historical maintenance records. .