SU-820FA

Summary

Product Identification

• Model: SU-820FA
• Membrane Type: Cross Linked Fully Aromatic Polyamide Composite
• Element Configuration: Spiral Wound
• Active Membrane Surface Area: 31.4 m² (338 ft²) (nominal)
• Nominal Membrane Surface Area: 32 m² (345 ft²)

Product Water

• Salt Rejection: 99.75 % (99.6% minimum)
• Product Flow Rate: 19 m³/day (5’020 gpd) (16.5 m³/d (4360 gpd) minimum)

Performance Test Conditions:

• Pressure: 5.5 MPa (800 psi)
• Temperature: 25 °C (77 °F)
• Feed Concentration: 3.5 % as Sea Water
• Brine Flow Rate: 80 l/min (21.1 gpm)
• Feed pH: 6.5

Operating Limits

• Recommended Operating Pressure: < 6860 kPa (70 kg/cm² / 1000 psi)
  • Maximum Operating Pressure: 6860 kPa (70 kg/cm²) (1000 psi)
• Recommended Feedwater Temperature: < 35 °C (95 °F)
  • Maximum Feedwater Temperature: 45 °C (113 °F)
• Feedwater Silt Density Index (SDI₁₅): < 4
• Feedwater Chlorine Concentration: 0 ppm
• pH Range, Continuous Operation: 3 - 9 (Both feed and brine water must meet this range.)
• pH Range, Chemical Cleaning: 2 - 10
• Feed Flow Rate per Vessel: < 200 l/min (52.8 gpm)
• Brine Flow Rate per Vessel: > 40 l/min (10.8 gpm)
• Brine/Permeate Flow Ratio (per element): > 6
• Pressure Drop (per Element): < 98 kPa (1 kg/cm²) (14 psi)
• Pressure Drop (per Vessel): < 196 kPa (2 kg/cm²) (29 psi)

Mechanical / Hydraulic

The physical dimensions of the element are provided in millimeters within a diagram that is not readable as text. See the official PDF for exact tabulated values and diagrams.

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. For contractual data, please refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

PDF datasheet