ESPA2-MAX

Summary

Product identification

• Membrane Element: ESPA2 MAX

Performance

• Permeate Flow: 12,000 gpd (45.4 m³/d)
• Salt Rejection: 99.6% (99.5% minimum)
• Boron Rejection (Typical)@ pH = 10: 93.0 %†

Type

• Configuration: Spiral Wound
• Membrane Polymer: Composite Polyamide
• Membrane Active Area: 440 ft² (40.8 m²)

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): 2-10.6 (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 Ratio of Concentrate to Permeate Flow for any Element: 5:1
• Maximum Pressure Drop for Each Element: 15 psi

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
• †Boron rejection is tested at standard test conditions with 5.0ppm Boron in feed solution.

Mechanical / hydraulic

• A: 40.0 inches (1016 mm)
• B: 7.89 inches (200 mm)
• C: 1.125 inches (28.6 mm)
• Weight: 36 lbs. (16.4 kg)

Notes

• Permeate flow for individual elements may vary ± 15 percent.
• Membrane active area may vary ±4%.
• Element weight may vary.
• 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 the provided text extraction and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. For contractual data, please refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

PDF datasheet