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Datasheet summary

ESPA4-4040

Engineering summary from PDF text extraction for ESPA4-4040. Verify every value with the OEM datasheet.

Summary

Product identification

  • Membrane Element: ESPA4-4040
  • Type: Spiral Wound
  • Membrane Polymer: Composite Polyamide
  • Membrane Active Area: 85 ft² (7.9 m²)

Performance

  • Permeate Flow: 2,500 gpd (9.46 m³/d)
  • Salt Rejection: 99.2 % (99.0 % minimum)

Test Conditions (initial performance data after 30 minutes of operation):

  • 500 PPM NaCl solution
  • 100 psi (0.7 MPa) Applied Pressure
  • 77 °F (25 °C) Operating Temperature
  • 15% Permeate Recovery
  • 6.5 - 7.0 pH Range

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 (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

Mechanical / hydraulic

  • Dimensions (A): 40.0 inches (1016 mm)
  • Dimensions (B): 3.95 inches (100.3 mm)
  • Dimensions (C): 0.75 inches (19.1 mm)
  • Weight: 8 lbs. (3.6 kg)
  • Core tube extension: 1.05" (26.7 mm)

Packaging Note

  • Permeate flow for individual elements may vary + 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 10% propylene glycol, then packaged in a cardboard box.

Disclaimer: This summary is based on the provided text extract. The original PDF may contain additional figures, footnotes, or revisions not captured here. Contractual data for any project must match the OEM PDF revision used on that project.

Official datasheet (PDF)

PDF datasheet

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.