DuPont
LC HR-4040 DuPont FilmTec™ Membranes
LC HR-4040 DuPont FilmTec™ Membranes
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LC HR-4040 DuPont FilmTec™ Membranes
DuPont FilmTec™ LC HR-4040 RO Element
Product Description
The DuPont FilmTec™ LC HR-4040 is a leading 4-inch by 40-inch Brackish Water Reverse Osmosis (RO) element, designed for Low-Cost (LC) operation with High Rejection (HR) performance. This element utilizes advanced Thin-Film Composite (TFC) technology to deliver superior water quality while maintaining excellent operational efficiency. It achieves an outstanding stabilized salt rejection rate of 99.7% at a standard test pressure of 225 PSI, while delivering a nominal flow rate of 2,600 Gallons Per Day (GPD). The LC HR-4040 is an ideal choice for commercial purification systems, bottled water production, and industrial applications that require exceptional water purity and cost-effective operation.
Specifications Table
| Characteristic | Specification | Units / Notes |
| Model | LC HR-4040 | Brackish Water High Rejection |
| Manufacturer | DuPont FilmTec™ | - |
| Membrane Type | Polyamide Thin-Film Composite | TFC |
| Element Dimensions (Nominal) | 4.0×40 | inches |
| Active Area | 80 (7.4) | sq ft (sq m) |
| Permeate Flow Rate (Nominal) | 2,600 (9.8) | GPD (m3/day). ±15% tolerance |
| Stabilized Salt Rejection | 99.7 | % (Minimum 99.6%) |
| Applied Pressure (Test) | 225 (15.5) | PSI (Bar) |
| Max Operating Pressure | 600 (41) | PSI (Bar) |
| Max Operating Temp | 113 (45) | F (C) |
| Continuous pH Range | 2−11 | - |
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