TECHNICAL SPECIFICATIONS: Filmtec XLE-4021 Reverse Osmosis 4" Membrane
| SKU / Model | XLE-4021 |
| Product Type | Brackish Water RO (Extra Low Energy) |
| Membrane Type | Polyamide Thin-Film Composite |
| Active Area | 46 sq ft |
| Permeate Flow Rate | 1000 GPD |
| Stabilized Salt Rejection | 99.0% |
| Minimum Salt Rejection | 98.5% |
| Feed Spacer Thickness | 28 mil |
| End Cap Type | iLEC™ Interlocking End Caps |
Operating Conditions
| Maximum Operating Pressure | 600 psi (41 bar) |
| Maximum Operating Temperature | 113°F (45°C) |
| Maximum Feed Flow Rate | 2-8 gpm |
| Maximum Pressure Drop | 15 psi (1.0 bar) |
| pH Range, Continuous Operation | 2-11 |
| pH Range, Short-Term Cleaning | 1-13 |
| Maximum Feed SDI | 5 |
| Free Chlorine Tolerance | <0.1 ppm |
Dimensions & Weight
| Element Diameter | 3.9" |
| Element Length | 21" |
| Weight (Dry) | 5 lbs |
| Weight (Wet) | 6 lbs |
Applications
- Low-energy brackish water treatment
- Municipal water systems
- Commercial and industrial RO
- Tap water purification
Key Advantages
- Extra low energy consumption
- High productivity at low pressure
- Cost-effective operation
Test Conditions: Pressure: 100 psi, Recovery: 15%, Feed: 500 ppm NaCl
Specifications provided by DuPont Water Solutions. Contact ForeverPure for pricing and availability.
Questions? Please contact us
