The comparison between a corrosion resistant shale shaker and a standard shaker reveals significant differences in materials, construction, maintenance requirements, and service life that directly affect total cost of ownership. Aipu Solids Control manufactures both configurations, giving us direct knowledge of the engineering and economic differences between them.
The most fundamental difference is in material specification. Standard Aipu shakers use high-quality carbon steel with protective paint coatings for most components, providing adequate protection for normal operating conditions with non-corrosive or mildly corrosive drilling fluids. Corrosion resistant Aipu shakers upgrade to stainless steel for all fluid contact surfaces, employ more robust multi-layer industrial coating systems on structural components, and offer composite frame screens that eliminate screen frame corrosion entirely. These material upgrades represent the primary cost difference between the two configurations.
Coating System Differences
Standard and corrosion resistant configurations differ significantly in protective coating application. Standard shakers receive a quality industrial paint system suitable for normal environmental exposure. Corrosion resistant shakers undergo more extensive surface preparation, typically including controlled abrasive blasting to achieve specified surface profiles. They receive multi-layer systems with zinc-rich primers for galvanic protection, thicker barrier coats, and topcoats formulated for specific environmental challenges. The coating process is more extensive and quality-controlled for corrosion resistant units.
Fastener and Hardware Specifications
A frequently overlooked difference is in fasteners and hardware. Standard shakers typically use zinc-plated carbon steel fasteners that provide adequate corrosion protection for normal conditions. Corrosion resistant shakers upgrade to stainless steel fasteners throughout, eliminating the galvanic corrosion and rust staining that plagues standard hardware in corrosive service. This upgrade applies to all exposed fasteners, greatly simplifying maintenance by preventing seized and corroded hardware.
Economic Comparison
While corrosion resistant shakers carry a higher purchase price—typically reflecting the cost of stainless steel materials and upgraded coating systems—the total cost comparison over equipment life usually favors the corrosion resistant configuration in corrosive environments. Lower maintenance costs, reduced downtime, and extended service life of Aipu Hunter series corrosion resistant shakers, with 6.0G to 7.5G performance and adjustable deck angles from minus 1 degree to plus 5 degrees, typically offset the higher initial investment within the first few years of service.
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