The maintenance cost of industrial valves accounts for about 30%-40% of the total equipment investment. Relying on the design advantages of simple structure and low wear, combined with scientific whole life cycle management, OUWEI ball valves can reduce customers' maintenance costs by more than 50%, greatly improving the operational economy of the system. 【Daily Maintenance】: It is recommended to open and close OUWEI manual ball valves regularly every month to prevent valve stem corrosion and jamming, without excessive force during operation; for electric/pneumatic models, regularly check the stability of power supply/air source and clean the sensors. Special lubricating grease can be applied to the sealing surface according to the medium characteristics to prevent jamming and maintain sealing. 【Regular Overhaul】: Conduct a comprehensive inspection of OUWEI ball valves every 6-12 months, disassemble and inspect the valve seat sealing ring. It is recommended to replace PTFE soft sealing parts every 2-3 years. Minor scratches on the ball surface can be repaired by grinding. Verify the sealing performance through hydrostatic test to ensure the ANSI Class VI zero leakage standard is maintained; regularly inspect the anti-corrosion layer of buried fully welded ball valves to avoid soil corrosion. 【Precise Fault Handling】: The valve stem leakage of OUWEI ball valves is mostly caused by packing aging, which can be solved by replacing graphite packing and compressing it evenly; the sealing surface leakage is mostly caused by particulate jamming, which can be restored to sealing after cleaning; the ball jamming can be solved by injecting special cleaning agent to dissolve crystals. In addition, OUWEI top-entry ball valves support online maintenance, and the sealing parts can be replaced without overall disassembly, with the maintenance efficiency 3 times higher than that of traditional valves, greatly reducing shutdown losses. Relying on a complete after-sales system, OUWEI also provides customers with professional maintenance training and technical support, making the whole life cycle operation of ball valves more worry-free and economical.
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