Hydranautics
ESPA2-LD Hydranautics Nitto 10,000 GPD at 150 PSI 8 x 40 inch Membranes
ESPA2-LD Hydranautics Nitto 10,000 GPD at 150 PSI 8 x 40 inch Membranes
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ESPA2-LD Hydranautics Nitto 10,000 GPD at 150 PSI 8 x 40 inch Membranes
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Hydranautics ESPA2-LD Low Energy RO Membrane
The Hydranautics ESPA2-LD is a high-productivity, energy-saving polyamide reverse osmosis membrane designed for demanding brackish water applications. Featuring Hydranautics' proprietary Low Differential (LD) Technology, this 8-inch commercial membrane is engineered with enhanced chemistry to provide exceptional chemical resistance and a 34-mil feed spacer that minimizes trapping of small colloidal particles. The specialized biostatic properties significantly retard bacterial growth, extending the interval between cleanings and ensuring consistent, high-quality permeate flow in industrial and municipal wastewater reclamation systems.
Operating at a low test pressure of 150 PSI, the ESPA2-LD produces a reliable 10,000 Gallons Per Day (GPD) while maintaining an impressive stabilized salt rejection of 99.6%. By combining low-pressure operation with high fouling resistance, this membrane reduces overall power consumption and limits the carbon footprint of the system. Furthermore, it incorporates a patented vented seal carrier that eliminates pressure-shock damage during system start-up, ensuring long-lasting durability in challenging feedwater environments.
| SPECIFICATION | DETAILS |
| Model Number | ESPA2-LD |
| Manufacturer | Hydranautics (Nitto) |
| Membrane Type | Low Energy / Low Fouling Brackish Water |
| Material | Composite Polyamide |
| Permeate Flow Rate | 10,000 GPD (37.9 m³/d) |
| Stabilized Salt Rejection | 99.6% |
| Minimum Salt Rejection | 99.5% |
| Active Surface Area | 400 ft² (37.1 m²) |
| Test Pressure | 150 PSI (1.03 MPa) |
| Max Operating Pressure | 600 PSI (4.14 MPa) |
| Dimensions | 8.0" Diameter x 40" Length |
| Feed Spacer Thickness | 34 mil |
| Max Operating Temp | 113°F (45°C) |
| pH Range (Continuous) | 2 - 10.6 |
| Model # | Diameter x Length | GPD | Rejection | Typical Pressure |
| ESPA2-LD | 8 x 40 inch | 10,000 | 99.60% | 150 |
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