Dow
BW30-2540 Dow FilmTec™ membranes
BW30-2540 Dow FilmTec™ membranes
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BW30-2540 Dow FilmTec™ membranes
Dow FilmTec™ BW30-2540 Brackish Water RO Element
Product Description
The Dow FilmTec™ BW30-2540 is a reliable, high-rejection Brackish Water Reverse Osmosis (BWRO) element engineered for commercial and light industrial applications. This standard 2.5 inch×40 inch element utilizes FilmTec's proprietary thin-film composite (TFC) membrane.
The element delivers a nominal permeate flow of 1,000 Gallons Per Day (GPD) with a stabilized salt rejection rate of 99.5% (tested against 2,000 ppm NaCl at 225 PSI). The BW30-2540 is suitable for smaller systems, offering a durable hard shell exterior for extra strength in systems with multiple elements per housing.
Specifications Table
| Characteristic | Specification | Units / Notes |
| Model | BW30-2540 | Brackish Water RO (BWRO) |
| Manufacturer | Dow FilmTec™ | - |
| Membrane Type | Polyamide Thin-Film Composite | TFC |
| Element Dimensions (Nominal) | 2.5×40 | inches (Diameter x Length) |
| Active Area | 28 (2.6) | sq ft (sq m) |
| Permeate Flow Rate (Nominal) | 1,000 (3.8) | GPD (m³/day). ±20% 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 Feed Flow Rate | 6 (1.4) | GPM (m³/hr) |
Product Disclaimer & Limitation of Liability
Information Accuracy: We strive to ensure that all product descriptions, specification tables, testing data, and cross-reference information are accurate and up-to-date. However, this information is provided for general reference purposes only. We are not legally liable for typographical errors, omissions, or inaccuracies within product descriptions, tables, or equivalent-model recommendations.
Manufacturer Updates: Manufacturers frequently revise product designs, component materials, and technical specifications without prior notice. The official manufacturer's current data sheet strictly supersedes any physical dimensions, specifications, or visual representations presented on this page.
Order Verification & Chargeback Policy: It is the buyer's sole responsibility to independently verify that the exact manufacturer part number being ordered is correct and entirely compatible with their specific application prior to checkout. By placing an order, you explicitly agree that if the physical item shipped perfectly matches the manufacturer part number listed on your official invoice, the order is legally considered fulfilled as described. Disputes or chargebacks claiming an item is "Not as Described" based on supplementary website text, specification tables, or compatibility assumptions will not be recognized or honored.
Pricing, Availability & Right to Cancel: All prices, promotional offers, and inventory statuses are subject to change without notice. In the event a product is listed at an incorrect price or with inaccurate stock availability due to a typographical, technical, or system error, we reserve the right to refuse or cancel any orders placed for that item. If an order is canceled after your payment has been processed, a full refund will be initiated immediately to your original payment method.
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