Superior Industries dust control under new MSHA silica limits: design notes for mine engineers
Reviewed by Tom Sullivan

First reported on International Mining – News
30 Second Briefing
Stricter MSHA limits on respirable crystalline silica are prompting Superior Industries to promote new conveyor dust control hardware for transfer points and load zones. The Adjustable Skirtboard Systems allow operators to fine‑tune skirtboard height and position along the belt to maintain a tight seal as liners wear, reducing fugitive dust and spillage without repeated structural modifications. RockGuard™ Skirting Liners use abrasion‑resistant materials and modular segments so mines can swap high‑wear sections quickly, supporting compliance while limiting downtime on high‑tonnage conveyors.
Technical Brief
- Adjustable Skirtboard Systems are configured specifically for conveyor transfer points and primary load zones.
- RockGuard™ Skirting Liners are positioned as a wear interface between the belt edge and skirtboards.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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