Wagner Quarry Mining Case Study

Hanson Aggregates’ Wagner Quarry in Sandusky, Ohio, faced frequent rotary airlock valve failures on their baghouse dust collectors due to abrasive limestone dust. These failures caused costly repairs, downtime, and maintenance headaches.

By switching to low-cost, no-moving-parts trickle valves, the quarry:

• Eliminated wear and jamming issues
• Saved $8,000–$10,000+ per year in maintenance and replacement costs
• Improved dust collection efficiency
• Freed maintenance teams to focus on more valuable tasks

This simple, durable solution requires no power, lubrication, or complex controls, delivering long-term reliability and peace of mind.

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