Yingnai FRP drain channel provides corrosion-resistant collection and drainage for wastewater, wash water, condensate and chemical process liquids. The lightweight composite trough can be configured with smooth internal surfaces, slopes, outlets and removable grating covers for easier operation and cleaning. Width, depth, length, resin system and connection details can be customized for required flow capacity.
| Item | Typical Technical Specification |
| Product Name | FRP Drainage Channel |
| Primary Function | Collect and convey corrosive wastewater, wash water, condensate or process drainage |
| Cross-Section | U-shaped, rectangular or custom trough profile with optional falls and outlets |
| Typical Internal Width | 100–1000 mm |
| Typical Internal Depth | 50–500 mm |
| Wall Thickness | 3–12 mm depending on width, support spacing and liquid load |
| Standard Length | 3 m or 6 m sections; longer factory or field-jointed channels can be supplied |
| Material System | Isophthalic polyester, vinyl ester or novolac vinyl ester selected for the liquid chemistry |
| Bottom Configuration | Flat, radiused, V-bottom or sloped bottom |
| Jointing | Flanged joint, bonded socket, butt-and-wrap laminate or adhesive-sealed mechanical joint |
| Optional Components | Grating cover, sediment trap, cleanout, drain outlet, overflow, support brackets and removable covers |
| Hydraulic Selection | Cross-section and slope are sized from design flow, solids content, allowable velocity and cleaning requirements |
| Typical Applications | Chemical plants, electroplating, wastewater treatment, food processing, cooling towers and equipment drainage |
| Inspection | Internal dimensions, slope, outlet position, wall thickness, flatness, joint fit-up, cure and water test |
| Selected Standard Sizes | |||
| Channel Size | Duty | Channel Size | Duty |
| 100 × 100 × 4 mm | Light-duty | 150 × 100 × 5 mm | Light-duty |
| 200 × 150 × 6 mm | Medium-duty | 300 × 200 × 8 mm | Medium-duty |
| 500 × 300 × 10 mm | Engineered | 1000 × 500 × 12 mm | Engineered |
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