SW30-4040 FilmTec™ DOW / DuPont Seawater Membranes 800 PSI 1950 GPD 4 x 40 inch
PLEASE REFERENCE DATA SHEETS & TABLE BELOW
DuPont FilmTec SW30-4040 (Seawater RO Membrane)
📝 Product Description
The DuPont FilmTec SW30-4040 is a premier Seawater Reverse Osmosis (SWRO) membrane element, built for efficiency and high salt rejection in commercial and light industrial systems. As a standard 4-inch diameter by 40-inch long element, the SW30-4040 utilizes a high-surface-area thin-film composite (TFC) membrane to deliver a substantial flow rate of 2,400 GPD under standard test conditions (800 PSI).
📋 Specifications Table
| Characteristic |
Specification |
Units / Notes |
| Model |
SW30-4040 |
Seawater RO (SWRO) |
| Membrane Type |
Polyamide Thin-Film Composite |
Fiberglass Outer Wrap |
| Element Dimensions (Nominal) |
4.0×40 |
inches |
| Active Area |
78 (7.2) |
sq ft (sq m) |
| Permeate Flow Rate (Nominal) |
2,400 (9.1) |
GPD (m3/day). ±20% tolerance |
| Stabilized Salt Rejection |
99.4 |
% (Minimum 99.2%) |
| Applied Pressure (Test) |
800 (55) |
PSI (Bar) |
| Max Operating Pressure |
1,000 (69) |
PSI (Bar) |
| Max Operating Temperature |
113 (45) |
F (C) |
| Continuous pH Range |
2−11 |
- |
| Max Feed Flow Rate |
16 (3.6) |
GPM (m3/hr) |
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| PART NUMBER |
SIZE (INCHES) |
Test Pressure (psi) |
FLOW RATE GPD |
Stabilized Salt Rejection |
| SW30-4040 FILMTEC |
4.0 x 40 |
800 |
1950 |
99.40% |