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Hydranautics CPA-4040E RO Membrane
Hydranautics CPA-4040E RO Membrane
 
Hydranautics CPA-4040E RO Membrane

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Product Code: CPA-4040E
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Description Spec Sheet / Manual Technical Specifications
 
Hydranautics CPA-4040E RO Membrane: 4" x 40"

(Suggested alternatives: Filmtec BW30-4040, Filmtec TW30-4040, Hydranautics CPA2-4040, Hydranautics CPA5-LD-4040)

CPA (Composite Polyamide) elements set the standard for RO membrane elements – over 600 million gallons per day of pure water are produced by CPA elements for global municipalities and industries. 4” and 8” configurations available.

Advantages
  • 99.7% nominal rejection
  • High TOC, silica and hardness rejection
Applications
  • Desalting of well waters – municipal drinking water
  • Reducing TDS prior to ion exchange
  • Boiler make-up water
  • Ultrapure water for semi-conductor manufacture
Performance
  • Permeate Flow: 2,250 gpd (8.5m3/d)
  • Salt Rejection: 99.5% (99.2% minimum)
  • Feed Spacer: 34 mil (0.864 mm) with biostatic agent

Application Data

Maximum Applied Pressure600 psig (4.14 MPa)
Maximum Chlorine Concentration< 0.1 PPM
Maximum Operating Temperature113 °F (45 °C)
pH Range, Continuous (Cleaning)2-10 (1-12)*
Maximum Feedwater Turbidity1.0 NTU
Maximum Feedwater SDI (15 mins)5.0
Maximum Feed Flow16 GPM (3.6 m3 /h)
Minimum Ratio of Concentrate to Permeate Flow for any Element5:1
Maximum Pressure Drop for Each Element15 psi
Dry Element Storage Temperature-40 °C to 40 °C (-40°F to 104°F)
Wet Element Storage Temperature1 °C to 35 °C (33°F to 95°F)

* The limitations shown here are for general use. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane. See Hydranautics Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures

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