
Datasheet summary
ESPA4-LD-4040
Engineering summary from PDF text extraction for ESPA4-LD-4040. Verify every value with the OEM datasheet.
Summary
Product identification
- Model: ESPA4-LD-4040
Specified Performance
- Permeate Flow: 2,350 gpd (8.90 m³/d)
- Salt Rejection: 99.2% (99.0% minimum)
Test Conditions:
- 500 ppm NaCl solution
- 100 psig (0.7 MPa) Applied Pressure
- 77 °F (25 °C) Operating Temperature
- 15% Permeate Recovery
- 6.5 - 7.0 pH Range
General Product Description
- Configuration: Low Fouling Spiral Wound
- Membrane Polymer: Composite Polyamide
- Membrane Active Area: 80 ft² (7.43 m²)
- Feed Spacer: 34 mil (0.86 mm)
- Packaging: 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.
Mechanical / Hydraulic
Element Details:
- A: 40.0 inches (1016 mm)
- B: 3.95 inches (100.3 mm)
- C: 0.75 inches (19.1 mm)
- Core tube extension: 1.05" (26.7 mm)
Operating Limits
- Maximum Applied Pressure: 600 psig (4.14 MPa)
- Maximum Chlorine Concentration: < 0.1 ppm
- Maximum Operating Temperature: 113 °F (45 °C)
- pH Range, Continuous (Cleaning): 2-10 (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 Brine Flow: 3 gpm (0.7 m³/h)
- Maximum Pressure Drop for Each Element: 15 psi (0.10 MPa)
Disclaimer: The information and data are presented in good faith and in lieu of all warranties. All express or implied warranties, including the warranties of merchantability and fitness for a particular purpose, are hereby disclaimed and excluded. Conditions and methods of use of our products are beyond our control. Hydranautics assumes no liability for results obtained or damages incurred through the application of the presented information and data. It is the user's responsibility to determine the appropriateness of Hydranautics' products for the user's specific end uses.
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.