BW30-400 FilmTec™ DOW / DuPont Brackish Water Membranes 225 PSI 10,500 GPD 8 x 40 inch
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PLEASE REFERENCE DATA SHEET AND TABLE BELOW
DuPont FilmTec BW30-400 (Brackish Water RO Membrane)
📝 Product Description
The DuPont FilmTec BW30-400 is the industry-standard, high-rejection Reverse Osmosis (RO) element for treating brackish water in large commercial and industrial systems. As an 8-inch diameter by 40-inch long element, the BW30-400 features a highly effective thin-film composite (TFC) membrane that delivers superior water quality and proven durability.
This element is designed for optimal performance, providing a high nominal flow rate of 10,000 GPD and achieving a stabilized salt rejection of 99.5% under standard test conditions (225 PSI). Its robust construction and reliable performance make it the preferred choice for a wide range of applications, including municipal drinking water, industrial process water purification, power generation, and wastewater reclamation. The BW30-400 offers excellent value and is known for its long service life and high active membrane area.
📋 Specifications Table
| Characteristic |
Specification |
Units / Notes |
| Model |
BW30-400 |
Standard Brackish Water RO |
| Membrane Type |
Polyamide Thin-Film Composite |
Fiberglass Outer Wrap |
| Element Dimensions (Nominal) |
8.0×40 |
inches |
| Active Area |
400 (37) |
sq ft (sq m) |
| Permeate Flow Rate (Nominal) |
10,000 (38) |
GPD (m3/day). ±15% tolerance |
| Stabilized Salt Rejection |
99.5 |
% (Minimum 99.4%) |
| Applied Pressure (Test) |
225 (15.5) |
PSI (Bar) |
| Max Operating Pressure |
600 (41) |
PSI (Bar) |
| Max Operating Temperature |
113 (45) |
F (C) |
| Continuous pH Range |
2−11 |
- |
| Max Feed Flow Rate |
75 (17) |
GPM (m3/hr) |
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