DuPont FilmTec™ SW30HRLE-370/34i Seawater Reverse Osmosis Membrane Element
Includes iLEC interlocking end caps, reducing system operating costs and the risk of O-ring leaks that can cause poor water quality. Built on a durable polyamide thin-film composite membrane, the SW30HRLE-370/34i is engineered by DuPont Water Solutions for reliable, long-term performance in seawater desalination and high-salinity water treatment.
📄 Download the DuPont Product Datasheet (PDF)
Performance Specifications
| Specification | Value |
|---|---|
| Manufacturer | DuPont Water Solutions (FilmTec™) |
| Element Size | 8-inch |
| Membrane Type | Polyamide Thin-Film Composite |
| Active Membrane Area | 370 ft2 (34.4 m2) |
| Permeate Flow Rate | 6,700 gpd (25 m3/d) |
| Stabilized Salt Rejection | 99.80% |
| Minimum Salt Rejection | 99.65% |
| Shipping Weight | ~30 lbs (boxed) |
| Shipping Dimensions | 10" × 44" × 10" (boxed W × L × D) |
| HS Code (Tariff) | 8421.21.0000 — water filtering/purifying apparatus |
| Warranty | 1-Year materials & workmanship; 3-Year prorated performance warranty from DuPont (commercial elements, per DuPont conditions) |
Operating & Limiting Conditions
| Parameter | Limit |
|---|---|
| Maximum Operating Temperature | 113F (45C) |
| Maximum Operating Pressure | 1,200 psi (83 bar) |
| Maximum Pressure Drop | 15 psi (1.0 bar) per element; 50 psi (3.5 bar) per pressure vessel (Minimum 4 Elements) |
| Maximum Feed Silt Density Index (SDI) | SDI 5 |
| Free Chlorine Tolerance | < 0.1 ppm |
| pH Range — Continuous Operation | 2 - 11 |
| pH Range — Short-Term Cleaning | 1 - 13 |
Physical Dimensions
| Dimension | Value |
|---|---|
| Overall Length | 40.0 (1,016) inches (mm) |
| Outer Diameter | 7.9 (201) inches (mm) |
| Permeate Tube | 1.125 ID (29) inches (mm) |
| Fits Pressure Vessel | standard RO pressure vessel |
Performance based on DuPont standard test conditions: 32,000 ppm NaCl, 5 ppm boron, 800 psi (55 bar), 77F (25C), pH 8, 8% recovery. Individual element flow may vary. Reference: official DuPont Product Data Sheet.
Typical Applications
- Seawater desalination for municipal and industrial applications
- Applicable for optimized Internally Staged Designs (ISD) in combination with other FilmTec seawater membranes
- Seawater reverse osmosis (SWRO) desalination
- Marine and offshore watermakers
- High-salinity industrial feed water
- Internally Staged Design (ISD) seawater trains
Frequently Asked Questions
What is the DuPont FilmTec SW30HRLE-370/34I-DRY?
It is a 8-inch seawater reverse osmosis membrane element from DuPont Water Solutions, producing up to 6,700 gpd (25 m3/d) at 99.80% rejection.
What is the rated flow?
Up to 6,700 gpd (25 m3/d) at DuPont standard test conditions (32,000 ppm NaCl, 5 ppm boron, 800 psi (55 bar), 77F (25C), pH 8, 8% recovery).
What rejection does it achieve?
99.80% stabilized, 99.65% minimum.
What pressure vessel does it fit?
A standard RO pressure vessel RO pressure vessel.
What is the price of the SW30HRLE-370/34I-DRY?
Contact ForeverPure at 408-969-2688 or sales@foreverpureplace.com for current pricing and availability.
