ESPA - 2540 Hydranautics Membrane
Performance
- Permeate Flow: 750 gpd (2.84 m3/d) Salt Rejection 99.4 % (98.0 % minimum)
Type
- Configuration: Spiral Wound
- Membrane Polymer: Composite Polyamide
- Membrane Active Area: 25.5 ft2
Application Data*
- Maximum Applied Pressure: 300 psig (2.1 MPa)
- Maximum Chlorine Concentration: < 0.1 PPM
- Maximum Operating Temperature: 113 o (45 o)
- pH Range, Continuous (Cleaning) 3.0 –10.0*
- Maximum Feedwater Turbidity: 1.0 NTU
- Maximum Feedwater SDI (15 mins): 4.0
- Maximum Feed Flow: 6 GPM (23 l/m)
- Minimum Ratio of Concentrate to
- Permeate Flow for any element: 5:1
- Maximum Pressure Drop for Each Element: 10 psi
* The limitations shown here are for general use. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane. See Hydranautics Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures.
Test Conditions
Elements are wet tested for quality assurance using the following conditions:
- 1500 PPM NaCl solution
- 150 psi (1.03 MPa) Applied Pressure
- 77 °F (25 °C) Operating Temperature
- 10% Permeate Recovery
- 6.5 – 7.0 pH Range
(Data taken after 30 minutes of operation)
| A, inches (mm) | B, inches (mm) | C, inches (mm) | Weight, lbs. (kg) |
|---|---|---|---|
| 40.0 (1016) | 2.4 (61) | 0.75 (19.1) | 4 (1.8) |
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reverse osmosis and water treatment systems, Pure Aqua earned a great industry reputation in the RO market.
In all commercial and industrial RO systems that Pure Aqua supplies, we include a cleaning procedures in the operating and installation manual.
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