Datasheet summary
UA640
Engineering summary from PDF text extraction for UA640. Verify every value with the OEM datasheet.
Summary
Product identification
- Series: 4" CA RO Element
- Core Tube Style: TriSep
- Model: 4040-SB50-TSA
- Membrane Type: SB Cellulose Acetate Blend
- Configuration: Spiral Wound, Fiberglass Outer Wrap
- Active Membrane Area: 80 ft² (7.4 m²)
Operating limits
- 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)
- Maximum Feed Flow: 20 GPM (4.5 m³/hr)
- Minimum Brine Flow/Permeate Flow Ratio: 5:1
Feed water
- pH Range: 5.5 nominal, 4 - 7
- Chlorine Tolerance: 0.5 ppm nominal, 1.0 ppm max
- Maximum SDI (15 minutes): 5.0
- Maximum Turbidity: 1 NTU
Product water
- Permeate Flow: 2,000 GPD (7.0 m³/day)
- Average Salt Rejection: 92.50%
- Minimum Salt Rejection: 95.00%
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. Permeate flow is clean water flux at standard conditions above. Not applicable for all feedwater conditions. Individual element's permeate flow may vary +/- 15%.
Mechanical / hydraulic
- Element Weight: 15 lbs (7 kg)
- Length (A): 40.0 inches (1,016 mm)
- Diameter (B): 4.0 inches (101 mm)
- Permeate Tube (C): 0.75 inches (19.1 mm)
- Feed Spacer: 0.031" thick diamond spacer
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used on your project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.