SU-720

Summary

Product identification

• Model: SU-720
• Type: Standard RO element for brackish water
• Membrane Type: Cross Linked Fully Aromatic Polyamide Composite
• Element Configuration: Spiral Wound

Performance Specification

• Salt Rejection: 99.4 % (99.0 % minimum for any single element)
• Product Flow Rate: 26 m³/day (6900 gpd) (22.3 m³/day (5810 gpd) minimum for any single element)

Test Conditions:

• Feed Water Pressure: 1.5 MPa (220 psi)
• Feed Water Temperature: 25 °C (77 °F)
• Feed Water Concentration: 1500 mg/L as NaCl
• Brine Flow Rate: 80 L/min. (21 gpm)
• Feed Water pH: 6.5

Operating limits

• Recommended Design Conditions¹:
  • Feed Water Pressure: 2.0 MPa (290 psi)
  • Feed Water Temperature: 35 °C (95 °F)
  • Feed Water Turbidity (SDI): 4
  • Feed Water pH Range (Continuous Operation): 3 – 9
  • Feed Water pH Range (Chemical Cleaning): 2 – 10
  • Feed Flow Rate per Vessel: 200 L/min. (52 gpm)
  • Brine Flow Rate per Vessel: 40 L/min. (11 gpm)
  • Brine/Permeate Flow Ratio: 6 (at last element)
  • Pressure Drop (per Element): 0.10 MPa (14 psi)
  • Pressure Drop (per Vessel): 0.20 MPa (29 psi)
• Maximum Feed Water Pressure: 4.1 MPa (600 psi)
• Maximum Feed Water Temperature: 45 °C (113 °F)

¹The recommended design range is for operational and design conditions under limited fouling and scaling. Operating outside this range may reduce effective membrane life.

Mechanical / hydraulic

• Dimensions:
  • Length: 1016 mm
  • Other detailed dimensions are available in the official PDF.
• Membrane Surface Area: Nominal 28 m² (300 ft²)
  • Note: This is a nominal value and is not a guaranteed specification.

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

Official datasheet (PDF)

PDF datasheet