FENIGAL-FG Water Technologies
Tel: +86-15052233707 [email protected] Industrial Water Systems · Membranes · EDI · Desalination
FENIGAL-FG Water Technologies Wuxi Fenigal · Industrial Water Division
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Reverse Osmosis Membranes

Professional Product Detail

N-TECH Seawater RO Membranes Custom Branded Bulk Solutions for Desalination High-Salt Applications

Elevate your seawater desalination projects with N-TECH’s seawater reverse osmosis (RO) membranes—available for bulk orders withyour brand customization. Engineered for high-salt challenges (up to 32,000ppm NaCl), our membranes deliver superior desalination, low energy use, and long lifespan

Category: Reverse Osmosis Membranes
N-TECH Seawater RO Membranes Custom Branded Bulk Solutions for Desalination High-Salt Applications

Elevate your seawater desalination projects with N-TECH’s seawater reverse osmosis (RO) membranes—available for bulk orders with your brand customization. Engineered for high-salt challenges (up to 32,000ppm NaCl), our membranes deliver superior desalination, low energy use, and long lifespans. Perfect for seawater desalination, industrial wastewater reuse, and material concentration.

Why N-TECH for Custom Branded Seawater RO Membranes?

  • Bulk & Branding: Produce large batches with your logo, packaging, and specs—strengthen your market identity.

  • Proven Performance: Up to 99.85% salt rejection, low energy consumption, and durable polysulfone support layers.

  • Tailored Series: Choose from SW-HR (superior rejection), SW-HRLE (high rejection + low energy), and SW-XLE (high flow + extra low energy) for diverse applications.

  • Versatile Sizes: 2.5”, 4”, 8” diameters fit standard systems—ideal for seawater desalination plants, industrial facilities, and more.

Success Stories with Custom Branding

  • Desalination Plant, Saudi Arabia: Partnered for 500+ SW-HR 400 membranes under their brand. 99.85% rejection met strict standards, reducing post-treatment costs by 30% and securing a 5-year contract.

  • Industrial Wastewater Provider, Dubai: Ordered 300 SW-XLE 400 membranes with custom labels. High flow (9000 GPD) and 99.8% rejection handled 20,000ppm salt wastewater, earning industry recognition.

  • Marine Research Lab, Florida: Used SW-4040 membranes (branded as their own) for seawater studies. 99.8% rejection ensured pure water for experiments, driving 2x grant funding.

Product Specifications

1. 8-inch Series (Test Condition 1: 32,000ppm NaCl, 800psi, 77°F, pH 8, 8% recovery)

ProductPermeate Flow (GPD/m³/d)Stabilized Rejection (%)Min Rejection (%)Membrane Area (ft²/m²)Feed Spacer (mil)
SW-HR 4007000 (26.5)99.8599.75400 (37)28
SW-HR 4407700 (29.1)99.8599.75440 (41)28
SW-HRLE 4007500 (28.4)99.8099.70400 (37)28
SW-HRLE 400-346500 (24.6)99.7599.70400 (37)34
SW-HRLE 4408000 (30.3)99.8099.70440 (41)28
SW-XLE 4009000 (34.1)99.8099.70400 (37)28
SW-XLE 4409900 (37.5)99.8099.70440 (41)28

2. 4-inch Series (Test Condition 2: 32,000ppm NaCl, 800psi, 77°F, pH 8, 5% recovery)

ProductPermeate Flow (GPD/m³/d)Stabilized Rejection (%)Min Rejection (%)Membrane Area (ft²/m²)Feed Spacer (mil)
SW-40401800 (6.8)99.899.685 (7.9)28
SW-XLE 40402100 (7.9)99.799.585 (7.9)28

3. 2.5-inch & 4-inch Niche Series

ProductPermeate Flow (GPD/m³/d)Stabilized Rejection (%)Min Rejection (%)Membrane Area (ft²/m²)Feed Spacer (mil)
SW-40212700 (2.7)99.799.536 (3.3)28
SW-25401500 (1.9)99.799.528 (2.6)28


Test condition 1 : 32000ppm NaCl, 800psi(55bar), 77°F (25°C), pH 8, 8% Recovery.

Test condition 2 : 32000ppm NaCl, 800psi(55bar), 77°F (25°C), pH 8, 5% Recovery.

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