8540-SB20-TSA

Summary

Product identification

• Series: 8.5" CA RO Element Series
• Membrane Type: SB Cellulose Acetate Blend
• Model: 8540-SB20-TSA
• Active Membrane Area: 440 ft² (40.4 m²)

Operating limits

• Maximum SDI (15 minutes): 5.0
• Maximum Turbidity: 1 NTU
• Recommended Applied Pressure: 200 - 500 psi (14 - 34 bar)
• Maximum Applied Pressure: 600 psi (41 bar)
• Recommended Operating Temperature: 50 - 90°F (10 - 32°C)
• Feedwater pH Range: 5.5 nominal, 4 - 7
• Chlorine Tolerance: 0.5 ppm nominal, 1.0 ppm max
• Maximum Feed Flow: 80 GPM (18 m³/hr)
• Minimum Brine Flow/Permeate Flow Ratio: 5:1

Mechanical / hydraulic

• Configuration: Spiral Wound, Fiberglass Outer Wrap
• Core Tube: TriSep Style
• Element Weight: 50 lbs (23 kg)
• Length (A): 40.0 inches (1,016 mm)
• Diameter (B): 8.5 inches (215 mm)
• Permeate Tube (C): 1.50 inches (38.1 mm)
• Feed Spacer: 0.031" thick diamond spacer

Product water

Performance is based on the following test conditions: 2,000.0 ppm NaCl, 420.0 psi, 25°C, 15% recovery, pH 5.5, 30 minutes operation.

• Average Salt Rejection: 97.00%
• Minimum Salt Rejection: 98.00%
• Permeate flow: 8,400 GPD (31.0 m³/day)
  • Note: Permeate flow is clean water flux at standard conditions above. Not applicable for all feedwater conditions. Individual element's permeate flow may vary ±15%.

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Disclaimer: This summary is generated from an extracted text segment and may not include all figures, footnotes, or the latest revisions present in the official PDF datasheet. Contractual data must always match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet