brackish water applications.

Key Benefits (H2)

What Our RO Membranes Deliver

• High Salt Rejection & Stable Purity — Our TFC RO membrane elements deliver consistent rejection rates suitable for potable water and industrial processes.

• Sizes for Every System — Stocked models include the popular 8040 RO membrane for high-capacity systems and the versatile 4040 RO membrane for small-to-medium installations.

• Energy-Efficient Performance — Low-pressure operation options reduce energy consumption without compromising flow.

• Durable & Cleanable — Engineered for resistance to fouling when paired with proper pre-treatment and periodic chemical cleaning.

• OEM & Compatible Options — We offer custom-labeled membranes and DOW Filmtec compatible / Toray-compatible variants for simple replacement and system upgrades.

• Wholesale & OEM Supply — Fast lead times for bulk purchases; ideal for system integrators and distributors.

Product Highlights (H2)

Featured Models — 8040 & 4040 RO Membranes

8040 RO Membrane (Industrial Grade)

• Typical use: large commercial or industrial reverse osmosis systems, desalination pre-treatment, and high-flow process water.

• Typical capacity (standard conditions): 3000–4000 GPD (nominal, depends on feed TDS and pressure).

• Benefits: higher membrane area, excellent salt rejection, robust structural design for long service life.

4040 RO Membrane (Commercial / Modular)

• Typical use: small-to-medium commercial units, lab water systems, and modular plant designs.

• Typical capacity (standard conditions): 800–1200 GPD (nominal).

• Benefits: compact footprint, easy parallelization for scalable capacity, cost-effective replacement element.

Common Attributes

• Material: TFC (Thin Film Composite)

• Structure: Spiral-wound membrane element

• Operating range: suitable for brackish and treated surface water (specify feed water to select correct variant)

How to Choose the Right RO Membrane (H2)

Quick Selection Guide

1. Identify the application. Drinking water? Boiler feed? Wastewater recycling? Each needs different design targets (rejection, recovery, fouling tolerance).

2. Confirm feed water TDS and temperature. Higher TDS or higher temperature affects flux and lifetime.

3. Select the correct size. Use 4040 for smaller modular systems and 8040 for larger industrial needs.

4. Decide on compatibility. If replacing an existing unit, choose an OEM-compatible membrane (e.g., DOW Filmtec compatible) for plug-and-play replacement.

5. Consider pre-treatment. Proper sand/activated carbon/UF or cartridge filtration extends membrane life and prevents irreversible fouling.

SEO-Rich Technical Section (H2)

Technical Features & Typical Specifications

• Product Type: Reverse osmosis membrane element (RO membrane)

• Material: Thin Film Composite (TFC)

• Common Sizes: 4″ x 40″ (4040 RO membrane), 8″ x 40″ (8040 RO membrane)

• Typical Salt Rejection: ≥ 98–99% (dependent on feed conditions)

• Suitable Applications: potable water, brackish water desalination, industrial process water, food & beverage, laboratory use

Tip: include exact feed TDS, operating pressure and temperature in product datasheet to maximize conversion from technical buyers.

Content Marketing Hooks (H2)

How We Help Procurement & System Integrators

• Fast Bulk Supply: Dedicated production lines for wholesale RO membrane and OEM orders.

• Custom Labeling & Packaging: Private label options for distributors.

• Technical Support: Free compatibility checks for retrofits (4040 / 8040) and pre-treatment recommendations.

• Documentation Ready: Datasheets, MSDS, QA certificates, and test reports available for every batch.

Call To Action (H2)

Ready to Buy Reverse Osmosis Membranes?

Whether you’re searching for a wholesale RO membrane, need a replacement 4040 RO membrane, or want to upgrade to a high-performance 8040 RO membrane, we can help. Contact our sales team today for pricing, MOQ, and sample availability. Request a quote now — fast response for OEM and bulk orders.

Contact CTA: Email: sales@yourcompany.com | WhatsApp: +86-123-456-7890 | Alibaba Inquiry Button

FAQ (H2)

Q: What’s the difference between TFC RO membrane and other types?
A: TFC (Thin Film Composite) membranes offer excellent salt rejection and durability but are sensitive to free chlorine — dechlorination before membrane contact is required.

Q: Can I replace my DOW Filmtec with your membrane?
A: Yes — we offer DOW Filmtec-compatible elements. Provide your model number and we’ll confirm compatibility.

Q: How long does an RO membrane last?
A: Typical lifetime ranges from 1–5 years depending on feed water quality, pre-treatment, and cleaning regimen.

Q: Do you offer samples and OEM labeling?
A: Yes. Samples are available for qualified inquiries. OEM/private label MOQ and lead time depend on order size — contact sales for specifics.

Suggested On-Page SEO Signals & Extras

• Use structured data (Product schema) for each membrane product page: include model (HL-8040-PRO-3600-TFC / HL-4040-PRO-900-TFC), price, availability, SKU, and technical specs.

• Add high-quality product images with alt text: e.g., Alt: “8040 RO membrane element thin film composite” and Alt: “4040 RO membrane element spiral wound”.

• Internal links: link from this page to “RO System Pre-treatment Solutions”, “Chemical Cleaning for RO Membranes”, and “Buy Replacement RO Membranes”.

• External backlinks: publish technical blog posts and case studies (e.g., “How 8040 membranes improved industrial boiler feed water quality”) and share them on LinkedIn and industry forums.

• Use variations of long-tail keywords naturally in headings and first 100 words: “buy reverse osmosis membrane”, “wholesale RO membrane”, “RO membrane for sale 8040 4040”.

Closing (H2)

Start Improving Your Water System Performance Today

Optimizing your water treatment starts with the right reverse osmosis membrane. Whether your priority is high salt rejection, energy-efficient operation, or easy replacement with standard 4040 RO membrane or 8040 RO membrane elements, our TFC RO membrane portfolio covers a wide range of industrial and commercial needs. Reach out for technical support, sample testing, or a customized OEM proposal — let’s get your system running cleaner and more efficiently.