КН 8040-С

Summary

Product identification

• Model: КН 8040-С
• Product type: Reverse osmosis membrane element
• Series: КH Series
• Description: For brackish water desalination
• Membrane material: Composite polyamide
• Membrane type: Spiral wound nanoRO
• Design: Fiberglass Shell, Brine Seal, Interconnector supplied with each element

Operating limits

• Recommended operation pressure: 0.9-1.2 MPa
• Maximum operation pressure: 4.1 MPa
• Maximum pressure drop: 0.07 MPa
• Operation temperature: 4-45 °C
• pH at continuous operation (T<35°C): 2-11
• pH at continuous operation (T<45°C): 3-10.5
• Chemical cleaning pH (short-time operation):
  • T<45°C: 2-11
  • T<35°C: 1-11.5
  • T<25°C: 1-12
• Free chlorine content, max: 0.1 mg/l
• Maximum feed flow: 17 m³/hr
• Concentrate/permeate ratio on each element, min: 5:1
• SDI (15 minutes test), max: 5
• Turbidity, max: 1 NTU
• Note: During continuous work with pH over 10, the temperature must not exceed 35°C.

Product water

• Test conditions (NaCl 1500 mg/l, Р=1.0 MPa, Т=25 °С, рН=7.5, Recovery -15%):
  • Permeate Flow: 1.8 m³/hr (11,500 GPD)
  • Normal Rejection: 99.2%
  • Minimal Rejection: 98.5%
  • Membrane Area: 39 m² (420 ft²)
  • Feed spacer: 0.71 mm (28 mil)
• Notes:
  • Flow of each single element in a batch may vary by +15% / -20%.
  • Minimal rejection is measured after a 20-minute test on the test solution.
  • Nominal rejection is reached after 48 hours of continuous operation on the test solution.

Mechanical / hydraulic

• Dimensions:
  • Length (A): 1016 mm
  • Diameter (B): 203 mm
  • ATD Diameter (B'): 200 mm
  • C Diameter: 28.6 mm
• Weight: 15.5 kg

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet