HF5

Summary

Product identification

AXEON HF5 – Series Membrane Elements are manufactured using leading membrane film technology, offering reliability, high performance, and consistent results. These elements provide increased production, high rejection rates, and ultra-low energy consumption by operating at low applied pressures.

Key features:

• Ultra Low Energy with High Flow Rates
• Available in all industry standard 2.5-inch and 4-inch commercial sizes
• Feature a tape-wound exterior
• Suitable for countering negative effects of cold water temperatures on reverse osmosis production
• 100% vacuum integrity tested; individually wet tested available
• Shipped dry for indefinite shelf life, easier handling, and lighter shipping weight
• Membrane Type: Polyamide Thin – Film Composite

Operating limits

• Maximum Operating Temperature: 113 °F / 45 °C
• Maximum Operating Pressure: 400 psi / 27.58 bar
• pH Range, Continuous Operation: 2 – 11
  • Note: Maximum temperature for continuous operations above pH 10 is 95 °F / 35 °C.
• pH Range, Short Term Cleaning (30 Min.): 1 – 13
• Maximum Feed Silt Density Index (SDI): 5
• Chlorine / Chloramine Tolerance: 0 ppm
• Maximum Feed Flow Rate:
  • 2.5” elements: 6 gpm
  • 4.0” elements: 14 gpm

Product water

The following table outlines the performance specifications, evaluated at an applied pressure of 80 psi / 5.52 bar.

• Warranty Evaluation Test Conditions: Permeate flow and salt rejection based on: 550 ppm, filtered and dechlorinated municipal tap water, 77 °F / 25 °C, 15% recovery, and the specified operating pressure (80 psi / 5.52 bar).
• Minimum salt rejection for warranty is 96%. Permeate flows for warranty evaluation may vary +/-20%.
• Maximum pressure drop during warranty evaluation is 13 psig / 0.9 bar.

Mechanical / hydraulic

• All 2514, 2521, and 2540 elements fit nominal 2.50” I.D. membrane housings.
• All 4014, 4021, and 4040 elements fit nominal 4.00” I.D. membrane housings.

Dimensions (inch / mm):

System Startup Guidelines:

• Feed pressure should be increased gradually over a 30 – 60 second timeframe.
• Cross-flow velocity at the set operating point should be achieved gradually over 15 – 20 seconds.
• Permeate obtained from the first hour of operation should be discarded.
• Maximum pressure drop across an entire pressure vessel (housing) is 30 psi / 2.1 bar.
• Avoid static permeate-side backpressure at all times.

General Cautions:

• The presence of free chlorine, chloramines, and other oxidizing agents will cause premature membrane failure. Remove all oxidizing agents by pretreatment.
• Keep elements moist at all times after initial wetting.
• To prevent biological growth during prolonged system shutdowns, immerse membrane elements in a preservative solution. Rinse out the preservative before use.
• The warranty will be null and void if operating limits and guidelines are not strictly followed, or due to the effects of incompatible chemicals and lubricants on elements.
• These membranes may be subject to drinking water application restrictions in some countries; verify application status before use and sale.
• Use of this product does not guarantee the removal of cysts and pathogens from water; effective reduction depends on complete system design, operation, and maintenance.

Disclaimer

This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. For contractual data, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet