Datasheet summary
ESPA2-4040
Engineering summary from PDF text extraction for ESPA2-4040. Verify every value with the OEM datasheet.
Summary
Product identification
- Membrane Element: ESPA2-4040
- Type: Spiral Wound
- Membrane Polymer: Composite Polyamide
Performance
- Permeate Flow: 1900 gpd (7.2 m³/d)
- Salt Rejection: 99.6 % (99.4 % minimum)
Membrane specifications
- Configuration: Spiral Wound
- Membrane Polymer: Composite Polyamide
- Membrane Active Area: 85 ft² (7.9 m²)
Operating limits
- Maximum Applied Pressure: 600 psig (4.16 MPa)
- Maximum Chlorine Concentration: < 0.1 PPM
- Maximum Operating Temperature: 113 F (45 C)
- pH Range, Continuous (Cleaning): 2-10.6 (1-12)*
- Maximum Feedwater Turbidity: 1.0 NTU
- Maximum Feedwater SDI (15 mins): 5.0
- Maximum Feed Flow: 16 GPM (3.6 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 are for general use. For specific projects, more conservative values may ensure best performance and longest life. Refer to 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 F (25 C) Operating Temperature
- 15% Permeate Recovery
- 6.5 - 7.0 pH Range
Mechanical / hydraulic
- Length (A): 40.0 inches (1016 mm)
- Diameter (B): 3.95 inches (100.3 mm)
- Core tube diameter (C): 0.75 inches (19.1 mm)
- Weight: 8 lbs. (3.6 kg)
- Core tube extension: 1.05" (26.7 mm)
Additional Notes
- Permeate flow for individual elements may vary +25 or - 15 percent.
- All membrane elements are supplied with a brine seal, interconnector, and o-rings.
- Elements are enclosed in a sealed polyethylene bag containing less than 1.0% sodium meta-bisulfite solution, and then packaged in a cardboard box.
- All elements are guaranteed 99.4% minimum rejection.
Disclaimer: This summary is generated from extracted text and may not include all figures, footnotes, or the latest revisions from the original PDF datasheet. Contractual data for any project must match the specific OEM PDF revision used for that project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.