Products
5 OVAY RO Membrane Series — One Trusted Source
From residential drinking water to semiconductor ultrapure water — comprehensive NSF-certified RO membrane solutions for every market segment.

Residential & Light Commercial
OV-ULP Series
Ultra-low pressure RO membranes for residential drinking water systems and light commercial applications. The workhorse of the US under-sink water purifier market.
- Flow Range: 50, 75, 100, 200, 400, 600, 800 GPD
- Salt Rejection: 96%+
- Operating Pressure: 65 psi (standard residential)
- Applications: Under-sink RO, countertop systems, tankless RO
- Certification: NSF/ANSI 58 & 61
Seawater Desalination
OV-SW Series
High-pressure seawater desalination membranes engineered for marine, coastal, and industrial desalination applications. Built for harsh, high-salinity environments.
- Salt Rejection: 99.5%+
- Operating Pressure: 800-1000 psi
- Applications: Seawater desalination, brackish water, marine systems
- Size: 4040, 8040 industrial elements
- Certification: NSF/ANSI 58 & 61


Antifouling & Heavy Duty
OV-FR Series
Engineered surface chemistry that resists organic, biological, and colloidal fouling. The right choice when feed water quality is challenging or unpredictable.
- Surface: Modified anti-fouling polyamide layer
- Salt Rejection: 99.0%+
- Applications: Wastewater reuse, industrial process water, surface water
- Benefit: Extended membrane service life, reduced cleaning frequency
- Certification: NSF/ANSI 58 & 61
AI Data Center & High Flux
OV-L Series
Low-pressure, high-flux RO membranes optimized for AI data center cooling loops and direct-to-chip liquid cooling systems — one of the fastest-growing OEM categories for 2026.
- Operating Pressure: 100-150 psi (low pressure)
- Flux: High-flux design for water-hungry applications
- Applications: AI data center cooling, direct-to-chip cooling loops, industrial chillers
- Size: 8040-400 industrial element (featured in our hero image)
- Certification: NSF/ANSI 58 & 61


Semiconductor Ultrapure Water
OV-SG Series
Semiconductor-grade RO membranes for ultrapure water (UPW) production. Designed for fab and wafer manufacturing environments requiring the highest water purity standards.
- Resistivity Target: 18.2 MΩ·cm output (theoretical max)
- Salt Rejection: 99.7%+
- Applications: Semiconductor fab UPW, pharmaceutical process water, lab-grade RO
- Use: Primary stage in multi-pass UPW polishing systems
- Certification: NSF/ANSI 58 & 61
Not Sure Which Series Fits Your Product?
Tell us your application, target market, and volume — our engineering team will recommend the right OVAY series.
