Something about Check valve maintenance

https://www.yuandavalves.com/news/check-valve-maintenance-guide.html

To maintain a check valve, regularly inspect it for wear and leaks, clean it to remove debris, and lubricate its moving parts. Periodic functional tests like pressure checks are also essential to ensure it operates and seals correctly. Furthermore, preserving clean system components, using filters to block contaminants, and flushing pipes all help to extend a check valve's service life. The necessary maintenance schedule is determined by the valve's operating conditions and the type of fluid it handles.

Effective check valve maintenance consists of both routine and periodic tasks. Routine upkeep includes visual inspections for corrosion, leaks, and damage; cleaning interior and exterior surfaces; performing functional checks for smooth operation; lubricating moving parts; and monitoring system pressure and temperature. Periodic maintenance involves annual pressure testing to verify integrity, flow testing to ensure proper regulation, and complete overhauls to replace worn components for severely damaged valves. Preventive measures are also crucial, such as installing upstream filters, flushing pipelines to remove debris, establishing a maintenance schedule based on operating conditions and fluid type, and keeping detailed records of all inspections and repairs.

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