ESPA2-1640

Summary

Product identification

• Model: ESPA2 1640
• Configuration: Spiral Wound
• Membrane Polymer: Composite Polyamide
• Membrane Active Area: 1700 ft² (158 m²)
• Feed Spacer: 28 mil (0.71 mm)

Performance

• Permeate Flow: 41,000 gpd (155.2 m³/d)
• Salt Rejection: 99.6% (99.4% minimum)

Performance is stated as initial (data taken after 30 minutes of operation) based on the following test 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

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): 2.0 - 10.6 (1-12)
• Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1
• Maximum Pressure Drop for Each Element: 10 psi

Feed water

• Maximum Feedwater Turbidity: 1.0 NTU
• Maximum Feedwater SDI (15 mins): 5.0
• Maximum Feed Flow: 250 GPM (56 m³/h)

Mechanical / hydraulic

• Dimensions:
  • A: 40.9 inches (1038.9 mm)
  • B: 15.8 inches (401.8 mm)
  • C: 3.000 inches (76.2 mm)
• Dry Weight: 114 lbs (51.7 kg)
• Wet, Drained Weight: 139 lbs (63 kg)
• Elements are supplied with a brine seal, interconnector, and o-rings.

Notes on Variability and Packaging

• Permeate flow for individual elements may vary + 15 or - 15 percent.
• Membrane active area may vary +/- 4%.
• 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 the provided text extraction. It may not include all figures, footnotes, or the latest revisions present in the official OEM PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet