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Axeon HR3 RO Membranes

Axeon Commercial HR3 Series RO Membrane Elements

HR3 Series RO Membrane Elements

Manufactured using the industry’s leading patented reverse osmosis membrane film technology. HR3 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.
  • High Rejection Rates
  • Improved System Performance
  • Superior Quality and Cost Savings
  • Individually Tested
  • Made in the U.S.A


HR3 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 (%)
200368 HR3-2514 225 (15.51) 400 (27.58) 150 99
200369 HR3-2521 225 (15.51) 400 (27.58) 250 99
200370 HR3-2540 225 (15.51) 400 (27.58) 650 99
200371 HR3-4014 225 (15.51) 400 (27.58) 400 99
200372 HR3-4021 225 (15.51) 400 (27.58) 900 99
200373 HR3-4040 225 (15.51) 400 (27.58) 2200 99

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
 HR3-2514  14 1.1 0.75 2.4
 HR3-2521  21  1.1  0.75  2.4
 HR3-2540  40  1.1  0.75  2.4
 HR3-4014  14  1.1  0.75  3.95
 HR3-4021  21  1.1  0.75  3.95
 HR3-4040  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.