Dow
BW30-400 Dow FilmTec™ 10,500 GPD at 225 PSI 8 x 40 inch Membranes
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The Dow 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 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) |
inches |
|
|
Active Area |
400 (37) |
sq ft (sq m) |
|
Permeate Flow Rate (Nominal) |
10,000 (38) |
GPD (m3/day). tolerance |
|
Stabilized Salt Rejection |
(Minimum ) |
|
|
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 |
- |
|
|
Max Feed Flow Rate |
75 (17) |
GPM (m3/hr) |
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