Maintaining a corrosion resistant shale shaker requires practices that preserve the protective features while addressing the operational wear that all shakers experience. Aipu Solids Control provides these maintenance recommendations based on our experience with corrosion resistant Hunter series equipment operating worldwide.
The primary maintenance objective for corrosion resistant equipment is preserving the protective coating system. Inspect all coated surfaces regularly for damage including chips, scratches, and blisters that expose the underlying metal. Address coating damage promptly—even small defects allow corrosive agents to reach the metal surface and can lead to underfilm corrosion that spreads beneath apparently intact coating. Aipu recommends maintaining touch-up coating materials on location for immediate repair of minor damage and scheduling more comprehensive coating repairs during planned maintenance windows.
Stainless Steel Component Care
Stainless steel components require different maintenance than carbon steel. While stainless steel resists corrosion, it is not immune, particularly in chloride-rich environments that can cause pitting and crevice corrosion. Regular cleaning to remove chloride-containing residues is essential. Avoid using carbon steel tools or wire brushes on stainless steel surfaces, as these can leave deposits that initiate corrosion. Use dedicated stainless steel cleaning products rather than harsh chemicals that can damage the passive surface layer that provides corrosion protection.
Composite Screen Maintenance
Composite frame screens from Aipu eliminate screen frame corrosion but require proper handling to prevent physical damage. Avoid impact damage during installation and removal. Clean with appropriate solvents that will not attack the composite material. Inspect for cracking or delamination that could indicate manufacturing defects or impact damage. Store screens in protected conditions when not in use to prevent UV degradation of composite materials during extended storage.
Post-Operation Cleaning Protocol
Thorough cleaning after each well or project is particularly important for corrosion resistant equipment. Remove all drilling fluid residues that contain corrosive compounds. Flush fluid contact areas with fresh water. Dry equipment thoroughly before storage to prevent moisture-related corrosion during idle periods. Cover or shelter equipment during extended storage to protect against environmental exposure. These cleaning and storage practices preserve the protective features and extend the service life of Aipu Hunter series corrosion resistant shakers operating at 6.0G to 7.5G with premium motors from Ital-Vibras, Martin, and Oli.
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