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Axeon HF1 Membranes

Axeon Commercial HF1 Series RO Membrane Elements

HF1 Series RO Membrane Elements

Manufactured using the industry’s leading patented reverse osmosis membrane film technology. HF1 RO Membrane Elements offer reliability, high performance, and deliver consistent results with high rejection rates, which equipment suppliers, distributors, and dealers worldwide have come to rely on.
  • Low Energy Consumption
  • High Flow Capacities
  • Improved System Performance
  • Superior Quality and Cost Savings
  • Individually Tested
  • Made in the U.S.A

HF1 RO Membrane Elements are one of the industries most reliable and highest performing reverse osmosis elements. Advanced membrane technology and manufacturing processes ensure high quality and performance, allowing for improved system performance.

Operating Limits:

  • Membrane Type:  Thin Film Composite
  • Maximum Operating Temperature:  110ºF (43ºC)
  • Minimum Concentrate Flow Rate:  5:1
  • pH Range, Continuous Operation:  3 - 11
  • pH Range, Short Term Cleaning (30 min.): 1-12
  • Maximum Feed Water Turbidity: 1 NTU
  • Maximum Feed Silt Density Index (SDI): 5 SDI
  • Chlorine Tolerance: 0 PPM
Product Specifications
 Part Number
 Description  Applied Pressure PSI (BAR)
Maximum Pressure PSI (BAR)
Permeate Flow Rate GPD Nominal Salt Rejection (%)
200374 HF1-2514 150 (10.34) 400 (27.58) 225 98.5
200375 HF1-2521 150 (10.34) 400 (27.58) 400 98.5
200376 HF1-2540 150 (10.34) 400 (27.58) 1000 98.5
200377 HF1-4014 150 (10.34) 400 (27.58) 600 98.5
200378 HF1-4021 150 (10.34) 400 (27.58) 1000 98.5
200379 HF1-4040 150 (10.34) 400 (27.58) 2500 98.5

Permeate flow and salt rejection based on the following test conditions: 550 ppm Softened Tap Water, 77°F (25°C), 15% Permeate Recovery, 6.5 – 7.0 pH Range, and the specified applied pressure. Data taken after 30 minutes of operation. Maximum pressure drop for each element is 10 psi. Minimum salt rejection is 96%. Permeate flow for individual elements may vary +/- 20%.

Dimensions (inches)
Description A B C D
 HF1-2514  14 1.1 0.75 2.4
 HF1-2521  21  1.1  0.75  2.4
 HF1-2540  40  1.1  0.75  2.4
 HF1-4014  14  1.1  0.75  3.95
 HF1-4021  21  1.1  0.75  3.95
 HF1-4040  40  1.1  0.75  3.95

Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, the manufacturer recommends removing residual free chlorine by pretreatment prior to membrane exposure. Wet tested membrane elements must be kept sealed and moist when in storage. Drying out may occur and damage the membrane permanently. Prevent elements from freezing or being exposed to direct sunlight. Wet tested elements are vacuum sealed in a polyethylene bag containing 1.0% sodium meta-bisulfite and then packaged in a cardboard box. Discard the permeate for the first two hours of operation. The permeate flow (product water flow) varies with feed water temperature. For membrane warranty information, please contact the manufacturer. The manufacturer believes the information and data contained herein to be accurate and useful. The information and data are offered in good faith, but without guarantee, as conditions and methods of use of products are beyond the manufacturer’s control. The manufacturer assumes no liability for results obtained or damages incurred through the application of the presented information and data. It is the user’s responsibility to determine the appropriateness of these products for the user’s specific end uses.