Ecosoft ELP-4040 4" reverse osmosis membrane element, ELP4040

⚙️ Specifications
✔️ Product code: ELP4040
✔️ Permeate flow rate: 9.0 m³/day (~2,500 GPD)
✔️ Salt rejection (stabilized): 99.2%
✔️ Recovery rate: ~15%
✔️ Membrane type: Spiral-wound, thin-film composite
✔️ Active area: 8.1 m²
✔️ Feed spacer thickness: 0.7 mm
✔️ Dimensions (H×W×D): 1016×99×19×26.7 mm
✔️ Weight: ~3 kg
✔️ Max. operating pressure: 41 bar
✔️ Recommended operating pressure: 10.3 bar
✔️ Max. element pressure drop: 1.0 bar (across element); 3.4 bar (across vessel)
✔️ Operating pH range: 2–11
✔️ Cleaning pH range (short-term): 2–12
✔️ Max. operating water temperature: 45 °C
✔️ Max. chlorine concentration: 0.1 mg/L
✔️ Max. Silt Density Index (SDI): 5

➡️ Benefits
• Up to 99% salt rejection for high-quality water
• Low-pressure operation for energy efficiency
• Compatible with standard 4" RO housings
• Reliable performance in light commercial applications
• Consistent operation even under varying pressure conditions

ℹ️ Additional information
• Membrane element is shipped dry
• Always keep the membrane wet after initial wetting
• Use preservative solutions during extended shutdowns to prevent biofouling
• Discard permeate produced during the first hour of operation
• Gradually increase inlet pressure within 30–60 seconds and flow rate within 15–20 seconds during system startup
• Flow rate may vary up to ±15% of the nominal value