DuPont FilmTec BW30-400 Brackish Water RO Membrane (Rewritten)
The DuPont FILMTEC BW30-400 is a high-performance 8-inch brackish water reverse osmosis membrane designed for large-scale industrial and commercial water treatment systems. It is built with advanced Thin Film Composite (TFC) technology to ensure excellent removal of dissolved salts and contaminants while maintaining strong and consistent water production.
Designed for durability and reliable long-term operation, the BW30-400 membrane delivers stable performance in municipal, industrial, and desalination applications. Its optimized structure supports high productivity, strong salt rejection, and extended service life under demanding conditions.

Category: RO Membrane
Specifications
| Parameter | Details |
|---|---|
| Product Model | DuPont FILMTEC BW30-400 |
| Membrane Type | Polyamide Thin Film Composite (TFC) |
| Size | 8 inch |
| Active Area | 400 ft² (37 m²) |
| Permeate Flow | 10,500 GPD (≈ 40 m³/day) |
| Salt Rejection (Stabilized) | 99.5% |
| Salt Rejection (Minimum) | 99.0% |
| Max Operating Pressure | 600 psi (41 bar) |
| Recommended Pressure | 225 psi (15 bar) |
| Max Temperature | 45°C (113°F) |
| pH Range (Operation) | 2 – 11 |
| pH Range (Cleaning) | 1 – 13 |
| Max Feed SDI | 5 |
| Max Feed Flow | 85 GPM (19 m³/h) |
| Chlorine Tolerance | Not chlorine tolerant (requires dechlorination) |