RO Membrane

RO membrane elements are the core filtration component of any reverse osmosis system, utilizing thin-film composite (TFC) polyamide chemistry to reject dissolved salts, organics, and microorganisms at the molecular level. Available in 4040 and 8040 spiral-wound configurations, these membranes deliver 99%+ salt rejection with stable permeate flow rates across a wide range of feed water conditions. Our membranes are compatible with major RO system brands and meet ISO 9001 quality standards.

Key advantages:

• Salt rejection: 99.0-99.7% depending on model and feed water

• Permeate flow: 2,400-12,000 GPD per element (8-inch)

• Operating pressure: 150-400 psi for brackish water; up to 1,200 psi for seawater

• pH operating range: 3-10; cleaning range: 2-12

• Service life: 3-5 years with proper pretreatment and maintenance

Typical applications: Drinking water purification, boiler makeup water, pharmaceutical processing, seawater desalination, industrial wastewater reuse

FAQ:

Q: How often should RO membranes be replaced?

A: Typically every 3-5 years, depending on feed water quality, pretreatment effectiveness, and maintenance practices.

Q: What causes membrane fouling?

A: Common causes include scaling, organic fouling, and biological growth. Proper pretreatment and CIP protocols minimize these issues.

Reach out to our technical team for membrane selection guidance, compatibility verification, and competitive bulk pricing.