SU-820

Summary

Product identification

• Model: SU-820
• Membrane Type: Cross Linked Fully Aromatic Polyamide Composite
• Element Configuration: Spiral Wound

Performance Specification (Sea Water)

• Salt Rejection: 99.75 % (average for 100 elements; 99.4% minimum for any single element)
• Product Flow Rate: 16.00 m³/day (4’230 gpd) (average for 100 elements; 14.0 m³/day (3’700 gpd) minimum for any single element)

Test Conditions

• Pressure: 56 kg/cm² (800 psi)
• Temperature: 25 °C (77 °F)
• Feed Concentration: 35,000 ppm Sea Water
• Brine Flow Rate: 80 l/min (21 gpm)
• Feed pH: 6.5
• Notes: Average values are based on 1 hour of operation.

Operating limits

• Recommended Operating Pressure: < 70 kg/cm² (1000 psi) (Maximum 70 kg/cm² (1000 psi))
• Recommended Feedwater Temperature: < 35 °C (95 °F) (Maximum 45 °C (113 °F))
• Feedwater Turbidity (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 (10.6 gpm)
• Brine/Permeate Flow Ratio: > 6 (for each single element)

Mechanical / hydraulic

• Pressure Drop (per Element): < 1 kg/cm² (14 psi)
• Pressure Drop (per Vessel): < 2 kg/cm² (29 psi)
  • Elements must be cleaned when pressure drop increases to 1.5 times of the initial value.

Dimensions

The provided text contains a diagram with unlabeled dimensions (201, 32, 11, 22, 1016) in millimeters. See the official PDF for exact tabulated values and a labeled diagram.

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

Official datasheet (PDF)

PDF datasheet