ESPA4 MAX

Summary

Product identification

• Product Name: ESPA4 MAX
• Configuration: Spiral Wound
• Membrane Polymer: Composite Polyamide
• Membrane Active Area: 440 ft² (40.9 m²)

Specified Performance

• Permeate Flow: 13,200 gpd (50 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

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: 75 gpm (17.0 m³/h)
• Minimum Brine Flow: 12 gpm (2.7 m³/h)
• Maximum Pressure Drop for Each Element: 15 psi (0.10 MPa)

Mechanical / hydraulic

• Element Dimensions:
  • A: 40.0 inches (1016 mm)
  • B: 7.89 inches (200 mm)
  • C: 1.125 inches (28.6 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.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet