AXEON HF4-4040 Reverse Osmosis Membrane

AXEON HF4-4040 Reverse Osmosis Membrane


In Stock

Sku: 1136

AXEON Low Pressure HF1 Series Membrane Elements are manufactured using the industrys leading patented membrane film technology and offer reliability, high performance and deliver consistent results. They offer increased production, high rejection rates and low energy consumption by operating at low applied pressures.

  • Low Pressure
  • High Flow Capacities
  • Improved System Performance
  • Superior Quality and Cost Savings
  • Individually Tested
  • Made in the U.S.A.

AXEON HF4-4040 Reverse Osmosis Membrane

AXEON® HF4 Membrane Elements are one of the industries most reliable and highest performing reverse osmosis elements. AXEON® membranes are available in all standard commercial sizes and feature a protective ABS shell. Advanced membrane technology and manufacturing processes ensure high quality and performance, allowing for improved system performance. All elements are shipped dry for an extended shelf life and easier handling. Membrane elements are 100% vacuum integrity tested and may also be ordered as individually wet tested.

Operating Limits

Membrane Type Polyamide Thin-Film pH Range, Short Term Cleaning (30 Min.) 1 - 13
Maximum Operating Temperature 113oF (45oC) Maximum Feed Water Turbidity 1 NTU
Maximum Operating Pressure 600 psi (41 bar) Maximum Feed Silt Density Index 5 SDI
Minimum Concentrate Flow Rate 5:1 Chlorine Tolerance 0 ppm
pH Range, Continuous Operation 2 - 11

Dimensions inch (mm):

HF4 – 251414 (355.6)1.1 (27.94)0.75 (19.05)2.4 (60.96)
HF4 – 252121 (533.4)1.1 (27.94)0.75 (19.05)2.4 (60.96)
HF4 – 254040 (1016.0)1.1 (27.94)0.75 (19.05)2.4 (60.96)
HF4 – 401414 (355.6)1.1 (27.94)0.75 (19.05)3.95 (100.3)
HF4 – 402121 (533.4) 1.1 (27.94)0.75 (19.05)3.95 (100.3)
HF4 – 404040 (1016.0)1.1 (27.94)0.75 (19.05)3.95 (100.3)

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 twenty-four 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

Enjoy Crisp Clean Refreshing Drinking Water for Your Healthy Lifestyle.

When you choose an APEX water filter, you’ll get the absolute best water filter system for your needs from a company that values your business and will go above and beyond to ensure your full satisfaction.

Built in U.S.A

Not only can you feel good knowing that APEX Water Filters gives Americans good-paying jobs, but you can also be certain that we carefully monitor each step in the manufacturing process because we produce our filtration systems locally.

If for any reason you’re not completely satisfied with an APEX Water Filter, we’ll replace it or refund the purchase price–no questions asked.

Quality Guaranteed

At APEX Water Filters, we believe that the best water filters start with the best materials. That’s why we only use carbon that is certified by the National Safety Foundation and components that are approved by the U.S. Food and Drug Administration.

Before a water filtration system leaves our facility, we test it to ensure that it meets our high quality standards. This extra step ensures that you receive a filtration system in the best possible condition.

Part NumberDescriptionApplied Pressure psi (bar)Permeate Flow Rate gpd (m3/d)Nominal Salt Rejection (%)
200386HF4 – 2514100 (6.89)225 (0.85)98.5
200387HF4 – 2521100 (6.89)400 (1.51)98.5
200388HF4 – 2540100 (6.89)850 (3.22)98.5
200389HF1 – 4014100 (6.89)600 (2.27)98.5
200390HF1 – 4021100 (6.89)1000 (3.79)98.5
200391HF1 – 4040100 (6.89)2500 (9.46)98.5

Test Parameters: 550 TDS Filtered (5 Micron), De-Chlorinated, Softened City Feed Water, 77 Degrees F, 15% Permeate Recovery, 6.5 - 7.0 pH Range, at the Specified Operating 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%.


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