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CSM RE4040-BLF Ultra-low Pressure Grade RO Element for Low TDS Water, 4" x 40"
RE4040-BLF
RE4040-BLF
  

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Description Spec Sheet / Manual Technical Specifications
 

CSM RE4040-BLF Ultra-low Pressure Grade RO Element for Low TDS Water, 4" x 40"


Compared to other desalination processes, the use of CSM RO Membranes shows marked improvements in performance, cost-efficiency and more convenient maintenance. However, because energy costs required for the operation of the RO system takes up a large portion of the whole maintenance fee, continued efforts are being made to relieve this burden.

One solution is CSM’s Low Pressure RO Membranes, which yields same performance rates as other regular RO membranes but requiring only two-thirds of the pressure. Therefore, RO systems installed with these membrane elements require far less in energy and relevant costs (such as part costs because the system can be simplified). Main applications are for treating brackish water.

  • Each membrane element supplied with one brine seal, one interconnector (coupler) and four o-rings.
  • All RE4040 elements fit nominal 4.0 inch (101.6 mm) I.D. pressure vessels.

General Features:
  • Permeate flow rate: 2,500 GPD (9.5 m3/day)
  • Nominal salt rejection: 99.2%
  • Effective membrane area: 85 ft2 (7.9 m2)
*See RE4040-BLF Spec Sheet for test conditions

General Specifications:

Permeate Flow Rate (GPD, m3/d)Salt Rejection (%)Diameter / Length (inch)Test Conditions
2,500 (9.5)99.24.0 / 4040" LP High Flux

• 40" LP High Flux test conditions: NaCl 500 mg/L, Pressure 100 psig, Temperature 25°C, pH 6.5-7.0 Recovery 15%
• The stated data were obtained after 30 minutes of operation
• These models are tested and certified by NSF to NSF/ANSI standard 61

Operating Limits:

Max. Pressure Drop / Element15 psi (0.1 MPa)
Max. Pressure Drop / 240" Vessel60 psi (0.41 MPa)
Max. Operating Pressure600 psi (4.14 MPa)
Max. Feed Flow Rate18 gpm (4.09 m3/hr)
Min. Concentrate Flow Rate4 gpm (0.91 m3/hr)
Max. Operating Temperature113°F (45°C)
Operating pH Range2.0 - 11.0
CIP pH Range1.0 - 13.0
Max. Turbidity1.0 NTU
Max. SDI (15 min.)5.0
Max. Chlorine Concentration< 0.05 mg/L

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