Fiberglass Troughs & Weir Pans
Fiberglass troughs and weir pans from MFG Construction & Water Products (MFG CWP) bring exceptional performance, durability, and customization to modern water and wastewater treatment systems. Engineered for use in circular, square, rectangular, or fully custom tank configurations, these components are built to support a wide range of critical processes, including filtration, thickening, clarification, flocculation, scum removal, and backwashing. No matter the application, our fiberglass solutions deliver consistent, reliable flow management.
Troughs and Weir Pan manufacturing can be customized to meet the requirements of each customer, ensuring the highest standards of safety, performance, and regulatory compliance.
- ANSI/NSF 61 certification
- AWWA F101/F102
- Corrosion resistant Vinylester resins
- Fire retardant materials meeting ASTM E84 requirement
Custom-Built for Your System’s Needs
Every trough and weir pan is precision-molded to the exact size, shape, and configuration your project demands. Choose from a variety of profiles, including flat-bottom, round-bottom, and V-bottom, or work with us to create a completely unique geometry tailored to your plant’s specifications. Our fiberglass construction offers superior corrosion resistance, lightweight handling, and long-lasting structural stability, even in harsh chemical or high-moisture environments.
Quality You Can Trust
All products are proudly manufactured in the United States in our ISO 9001–certified facilities, ensuring consistent craftsmanship, tight tolerances, and dependable performance project after project. From municipal water plants to large-scale industrial treatment systems, our troughs and weir pans help operators achieve greater efficiency, reliability, and operational excellence.
Built to perform. Built to last. Built the way you need them.
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