ESPA4-LD

Summary

Product identification

• Product Name: ESPA4-LD
• Configuration: Low Fouling Spiral Wound
• Membrane Polymer: Composite Polyamide
• Membrane Active Area: 400 ft² (37.2 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.

Product water

Specified Performance (based on data taken after a minimum of 10 minutes of operation; permeate flow for individual elements may vary ±15% from the specified value):

• Permeate Flow: 12,000 gpd (45.4 m³/d)
• Salt Rejection: 99.2% (99.0% minimum)

Test Conditions (for specified performance):

• 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: 85 gpm (19.3 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 Details

• A (length): 40.0 inches (1016 mm)
• B (diameter): 7.89 inches (200 mm)
• C (product tube diameter): 1.125 inches (28.6 mm)

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)

PDF datasheet