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Hydranautics Membrane Elements
Hydranautics SWC seawater desalination SWRO membranes are available in high productivity 8-inch and 4-inch elements, offering high levels of salt rejection and a consistently pure end product. Membrane formulations are designed to accommodate varying levels of seawater salinities worldwide with reliable field-proven performance.

Benefits of Hydranautics SWC SWRO Seawater Desalination Membranes

  • High permeate flow
  • High salt rejection - 99.8% (99.7% minimum)
  • 92% boron rejection
  • Lowest biological and colloidal fouling
  • Greater tolerance to high pH cleanings
  • Lower energy consumption 

Performance Details & Ordering Information for Hydranautics SWRO Membrane Elements

SWC4 Series Seawater RO Membranes Highest Boron Rejection Available (95% average)

Model No.

Size
(Dia.”× Length”)

Flow Rate

Test Pressure
(psi)

Nominal Salt Rejection (%)

Minimum Salt Rejection (%)

gpd

m³/d

SWC4BMAX

8” × 40”

7,200

27.3

800

99.8

99.7

 

SWC5 Series Seawater RO Membranes Lower Fouling for Maximum Performance

Model No.

Size
(Dia.”× Length”)

Flow Rate

Test Pressure
(psi)

Nominal Salt Rejection (%)

Minimum Salt Rejection (%)

gpd

m³/d

SWC5-LD-4040

4” × 40”

1,750

6.6

800

99.7

99.5

SWC5-LD

8” × 40”

9,000

34.1

800

99.8

99.7

SWC5MAX

8” × 40”

9,900

37.5

800

99.8

99.7

 

SWC6 Series Seawater RO Membranes Highest Permeate Flow Rate Available with 91% Average Boron Rejection

Model No.

Size
(Dia.”× Length”)

Flow Rate

Test Pressure
(psi)

Nominal Salt Rejection (%)

Minimum Salt Rejection (%)

gpd

m³/d

SWC6

8” × 40”

12,000

45.5

800

99.8

99.7

SWC6MAX

8” × 40”

13,200

50

800

99.8

99.7

Please see product specification sheets for the test conditions under which the stated performance are based, and exact membrane element dimensions.

Hydranautics Seawater SWC Series RO Membranes

Note:  Hydranautics Seawater "Mini-Elements" (including SWC-2514, SWC-2521, SWC-2540, SWC-4014, and SWC-4021) have been discontinued by the manufacturer.  Please see the "Parts and Accessories" tab for recommended replacments)

Hydranautics SWC SWRO Seawater Desalination Membrane Features

  • Enhanced Membrane Chemistry for Increased Chemical Resistance
  • Innovative Spacer Design to Minimize Trapping of Small Colloidal Particles
  • HYDRAblock Technology Providing Biostatic Properties to Minimize Proliferation of Biological Fouling
  • Proprietary Vented Seal Carrier to Eliminate Pressure-Shock Damage During System Startup

Applications for Hydranautics SWC SWRO Seawater Desalination Membranes

  • Boiler makeup water in power industry
  • Conventional and hybrid desalination plants
  • Boron reduction for agricultural application

Seawater Elements Discontinued by Hydranautics - Recommended Replacements

SWC Series "Mini Elements" have been discontinued by Hydranautics and are no longer availabe.  Below please find the recommended replacements which meet or exceed the rated performance of the discontinued models.  All recommended replacements can be used in the same housings with no adapters needed.

Discontinued Hydranautics Model

 

Recommended Replacement

Size
(Dia.× Length)

Flow Rate
Gpd (m3/d)

Nominal Salt Rejection

Minimum Salt Rejection

SWC-2514

M-S2514A

2.5” × 14”

SWC-2514:  110 (0.4)
M-S2514A:   150 (0.6)

SWC-2514:  99.4%
M-S2514A:   99.6%

SWC-2514:  99.0%
M-S2514A:   99.2%

SWC-2521

M-S2521A 

2.5” × 21”

SWC-2521:  220 (0.8)
M-S2521A:   300 (1.14)

SWC-2521:  99.4%
M-S2521A:   99.6%

SWC-2521:  99.0%
M-S2521A:   99.2%

SWC-2540

M-S2540A 

2.5” × 40”

SWC-2540:  520 (2.0)
M-S2540A:   700 (2.7)

SWC-2540:  99.4%
M-S2540A:   99.6%

SWC-2540:  99.0%
M-S2540A:   99.2%

SWC-4014

M-S4014A 

4” × 14”

SWC-4014:  370 (1.4)
M-S4014A:  350 (1.3)

SWC-4014:  99.4%
M-S4014A:  99.6%

SWC-4014:  99.0%
M-S4014A:  99.2%

SWC-4021

M-S4021A 

4” × 21”

SWC-4021:  640 (2.4)
M-S4021A:   800 (3.0)

SWC-4021:  99.4%
M-S4021A:   99.6%

SWC-4021:  99.4%
M-S4021A:   99.2%

SWC6-4040

M-S4040A 

4" × 40"

SWC6-4040 : 2,500 (9.5)
M-S4040A:  1,950 (7.4)

SWC6-4040:  99.7%
M-S4040A:   99.6%

SWC6-4040:  99.5%
M-S4040A:   99.2%

Related Products for Use with Hydranautics Seawater RO Membranes

Product Data Sheets for Hydranautics SWC Series Seawater RO Membranes

Product Data Sheets for Discontinued Hydranautics SWC Series Seawater RO Membranes