ESPA2 1640 Hydranautics Membrane
Performance
- Permeate Flow: 41,000 gpd (155.3 m3/d)
- Salt Rejection: 99.6% (99.4 % minimum)
Type
- Configuration: Spiral Wound
- Membrane Polymer: Composite Polyamide
- Membrane Active Area: 1700 ft2 (158 m2)
- Feed Spacer: 28 mil (0.71 mm)
Application Data*
- Maximum Applied Pressure: 600 psig (4.1 MPa)
- Maximum Chlorine Concentration: < 0.1 PPM
- Maximum Operating Temperature: 113 oF (45 oC)
- pH Range, Continuous (Cleaning) 2.0 - 10.6 (1-12)*
- Maximum Feedwater Turbidity: 0.5 NTU
- Maximum Feedwater SDI (15 mins): 5.0
- Maximum Feed Flow: 250 GPM (56 m3/h)
- 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
The stated performance is initial (data taken after 30 minutes of operation), based on the following conditions:
- 1500 PPM NaCl solution
- 150 psi (1.05 MPa) Applied Pressure
- 77 oF (25 oC) Operating Temperature
- 15% Permeate Recovery
- 6.5 - 7.0 pH Range
| A, inches (mm) | B, inches (mm) | C, inches (mm) | Dry Weight, lbs. (kg) | Wet, Drained Weight, lbs (kg) |
|---|---|---|---|---|
| 40.0 (1016) | 15.75 (400.05) | 3.000 (76.2) | 114 (51.7) | 139 (63) |
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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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