CSM RE8040-SHN440

Summary

Product Identification

The RE8040-SHN440 is a high productivity reverse osmosis (RO) element with extended area, designed for seawater and high salinity well water applications.

• Part Number: 40000308
• Membrane Type: Thin-Film Composite
• Membrane Material: Polyamide (PA)
• Element Configuration: Spiral-Wound, FRP Wrapping
• Effective Membrane Area: 440 ft² (40.9 m²)

Performance Specifications

• Permeate Flow Rate: 7,140 GPD (27.0 m³/day)
• Nominal Salt Rejection: 99.75%
• Minimum Salt Rejection: 99.6%
• Boron Rejection: 92.0% (at pH 8.0 and 5 mg/L boron feed)

Test Conditions (for stated performance):

• 32,000 mg/L NaCl solution
• 800 psig (5.5 MPa) applied pressure
• 8% recovery
• 77 °F (25 °C)
• pH 6.5–7.0

Mechanical / Hydraulic

• Element Length (A): 40.0 inch (1,016 mm)
• Element Diameter (B): 8.0 inch (201 mm)
• Central Pipe Diameter (C): 1.12 inch (28 mm)
  • Note: RE8040-SHN440 element can also be made with a 1.5 inch (38 mm) diameter central pipe.
• Weight: 15 kg
• All RE8040 elements fit nominal 8.0 inch (201 mm) I.D. pressure vessels.
• Each membrane element is supplied with one brine seal, one interconnector (coupler), and four o-rings.

Operating Limits

• Max. Pressure Drop / Element: 15 psi (0.1 MPa)
• Max. Pressure Drop / 240” Vessel: 60 psi (0.41 MPa)
• Max. Operating Pressure: 1,200 psi (8.27 MPa)
• Max. Feed Flow Rate: 75 gpm (17.0 m³/hr)
• Min. Concentrate Flow Rate: 16 gpm (3.6 m³/hr)
• Max. Operating Temperature: 113 °F (45 °C)
• Operating pH Range: 2.0–11.0
• CIP pH Range: 1.0–13.0
• Max. Turbidity: 1.0 NTU
• Max. SDI (15 min): 5.0
• Max. Chlorine Concentration: < 0.1 mg/L

Feed Water

Design Guidelines for Various Water Sources

• Wastewater Conventional (SDI < 5): 8–12 gfd
• Wastewater Pretreated by UF/MF (SDI < 3): 10–14 gfd
• Seawater, Open Intake (SDI < 5): 7–10 gfd
• Seawater, Beach Well (SDI < 3): 8–12 gfd
• Surface Water (SDI < 5): 12–16 gfd
• Surface Water (SDI < 3): 13–17 gfd
• Well Water (SDI < 3): 13–17 gfd
• RO Permeate (SDI < 1): 21–30 gfd

Saturation Limits (Using Antiscalants)

• Langlier Saturation Index (LSI): < +1.5
• Stiff and Davis Saturation Index (SDSI): < +0.5
• Calcium Sulfate (CaSO₄): 230% saturation
• Strontium Sulfate (SrSO₄): 800% saturation
• Barium Sulfate (BaSO₄): 6,000% saturation
• Silica (SiO₂): 100% saturation

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Disclaimer: This summary is generated from extracted text and may not include all figures, footnotes, or the latest revisions present in the official OEM PDF datasheet. For contractual data and the most accurate product information, please refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

PDF datasheet