Hydranautics Low Energy RO Membrane ESPA4 MAX
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Hydranautics ESPA4 (Energy-Saving Polyamide) RO membranes continue to meet the ever-increasing demands of the water treatment industry. Hydranautics' ESPA4 low energy membrane delivers even greater productivity and rejection, now at operating pressures of less than 100 psi.
- Model Name: ESPA4 MAX
- Length: 40"
- Diameter: 8"
- Weight: 36 lbs
- 28 mil feed spacer
- Active Membrane: 440 ft²
- Membrane Type: Composite Polyamide
- Operating Pressure: 100 PSI
- Maximum Pressure: 600 PSI
- Permeate Flow Rate: 13,200 GPD
- Nominal Salt Rejection: 99.2%
Users worldwide have made ESPA their first choice For high productivity and salt rejection. ESPA4 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.
ESPA4MAX
- 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): 5
- Maximum Pressure Drop For Each Element: 10 psi
- Maximum Feed Flow: 75 GPM