CSM RE8040-SHF400

Summary

Product identification

• Product Name: RE8040 -SHF 400
• Features: High productivity RO element with extended area for seawater and high salinity well water.
• Membrane Type: Thin-Film Composite
• Membrane Material: Polyamide (PA)
• Element Configuration: Spiral-Wound, FRP Wrapping

Specifications

The stated product performance is based on data taken after 30 minutes of operation at the following test conditions:

• 32,000 mg/L NaCl solution

• 800 psig (5.5 MPa) applied pressure

• 8% recovery

• 77 °F (25 °C)

• pH 6.5–7.0

• Permeate Flow Rate: 9,700 GPD (36.7 m³/day)

  • Permeate flow rate for each element may vary but will be no more than 15%.

• Nominal Salt Rejection: 99.7%

• Minimum Salt Rejection: 99.6%

• Effective Membrane Area: 400 ft² (37.2 m²)

Mechanical / Hydraulic

• Dimensions:
  • A: 40.0 inch (1,016 mm)
  • B: 8.0 inch (201 mm)
  • C: 1.12 inch (28 mm)
• Weight: 15 kg
• Accessories: Each membrane element is supplied with one brine seal and one interconnector (coupler) with four o-rings.
• Fit: All RE8040 elements fit nominal 8.0 inch (201 mm) I.D. pressure vessels.

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 (flux in gfd)

• 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
• CaSO₄: 230% saturation
• SrSO₄: 800% saturation
• BaSO₄: 6,000% saturation
• SiO₂: 100% saturation

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Disclaimer: This summary is based on the provided text extract. The original OEM PDF datasheet may contain additional figures, footnotes, or revisions not present here. Contractual data must match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet