КМ 2540-С

Summary

Product identification

This document describes reverse osmosis membrane elements from the Membranium КM Series, designed for seawater desalination.

• Membrane material: Composite polyamide (ORM45К)
• Membrane type: nanoRO
• Design: Spiral wound
• Model: КМ 2540-С

Product water

Performance specifications are based on a test solution of 32 g/l NaCl, 5.5 MPa pressure, 25 °С temperature, pH 7.5, and 8% recovery.

• Nominal Flow: 120 l/hr (750 GPD)
  • Note: Flow of each single element in a batch may vary for +/-20%.
• Normal Rejection: 99.75%
  • Note: Nominal rejection is reached after 100 hours of continuous operation on test solution.
• Minimal Rejection: 99.4%
  • Note: Minimal rejection of a new element after 20 minutes' test on test solution.
• Membrane Area: 2.6 m² (28 ft²)
• Spacer Thickness: 0.71 mm (28 mil)

Operating limits

• Recommended Operation Pressure: 4.5-6.5 MPa
• Maximum Operation Pressure: 7 MPa
• Maximum Pressure Drop: 0.1 MPa
• Operation Temperature: 4-45 °С
  • Note: During continuous work with pH over 10, the temperature must not exceed 35 °С.
• pH Range at Operation: 2-11
  • Note: See temperature note above regarding pH over 10.
• CIP pH (short time operation): 1-12
• Free Chlorine Content (max): 0.1 mg/l
• Maximum Feed Flow: 1.4 m³/hr
• Concentrate/Permeate Ratio (on each element, min): 5:1
• SDI (15 minutes test, max): 5
• Turbidity (max): 1 NTU

Mechanical / hydraulic

• Model: КМ 2540-С
• Length (A): 1016 mm
• Diameter (B): 63.5 mm
• ATD Diameter (B’): 61 mm
• Interconnector Diameter (C): 19.1 mm
• Brine Tube Diameter (D): 30.5 mm
• Weight: 2.2 kg
• Construction: Fiberglass Shell
• Included: Brine Seal, Interconnector supplied with each element.

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Disclaimer: This summary is based on the provided text extraction and may not include all figures, footnotes, or the latest revisions present in the official PDF datasheet. Contractual data should always match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet