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Hydranautics Mini Element ESPA-2521

Unit of Measure #: EA
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Hydranautics ESPA (Energy-Saving Polyamide) RO membranes continue to meet the ever-increasing demands of the water treatment industry. Users worldwide have made ESPA their first choice For high productivity and salt rejection. ESPA membranes have long been the industry leaders, with the highest productivity and rejection available, producing up to 14,000 GPD. Enjoy up to 250% greater productivity per membrane area compared with conventional polyamide membranes, at the lowest cost per gallon produced. Pricing is listed For membrane quantities up to 12. For pricing on quantities larger than 12 elements, please contact customerservice@evoqua. com to get a quote from a local salesperson.

Model Name: ESPA-2521 Length: 21" Diameter: 2. 5" Weight: 2 lbs 28 mil feed spacer Active Membrane: 9. 9 ft2 Membrane Type: Composite Polyamide Operating Pressure: 150 PSI Maximum Pressure: 300 PSI Permeate Flow Rate: 350 GPD Nominal Salt Rejection: 99. 4%

ESPA-2521

Up to 99. 6% Nominal Rejection Lower pressure For lower CAPEX/OPEX High Productivity Longer Membrane Life due to Low Biological and Colloidal Fouling Higher rejection For impurities including Silica and Boron Greater Tolerance to High pH Cleaning

Maximum Operating Temperature: 113F (45C) Chlorine Tolerance: 0. 1 PPM pH Range, Continuous Operation: 2-10 pH Range, Short Term Cleaning (30min): 1-12 Maximum Feed Water Turbidity (NTU): 1 Maximum Feed Water Silt Density Index (SDI): 4 Maximum Pressure Drop For Each Element: 10 psi Maximum Feed Flow: 6 GPM