Compliance & Document Hub
- Manufactured by DuPont Water Solutions under strict automated fabrication processes for precision, consistency, and reliability.
- Regulatory Note: Product may be subject to drinking water application restrictions in certain countries; application status verification is required prior to use and sale.
- Reference Standard: FilmTec™ Reverse Osmosis / Nanofiltration Elements Operation Excellence and Limiting Conditions Tech Fact (Form No. 45-D04388-en).
- Reference Standard: Cleaning Procedures for FilmTec™ Elements (Form No. 45-D01696-en).
- Reference Standard: Handling, Preservation, and Storage Guidelines (Form No. 45-D03716-en).
- Reference Standard: Membrane System Design Guidelines for 8-inch FilmTec™ Elements (Form No. 45-D01695-en).
Executive Product Summary
The FilmTec™ SG30LE PRO-440 is an elite, semiconductor-grade brackish water reverse osmosis (RO) membrane element engineered specifically for highly critical industrial environments demanding extreme cleanliness and purity. Constructed with an advanced polyamide thin-film composite membrane material, this 8-inch element offers a massive 440 square feet (41 square meters) of active surface area. By maximizing the internal active area, facility operators and procurement engineers can process higher volumes of permeate without requiring expansion of existing pressure vessel infrastructure. Designed to effectively reduce Total Dissolved Solids (TDS), Total Organic Carbon (TOC), and micro-particles, it serves as a critical component in the primary loops of Ultrapure Water (UPW) systems.
A core engineering advantage of the SG30LE PRO-440 lies in its innovative 28-LDP (Low Differential Pressure) feed spacer technology. This engineered spacing architecture dramatically improves hydraulic balance across the element while generating up to a 50% reduction in pressure drop compared to the previous generation SG30LE models. When compounded across multiple membrane arrays within a large-scale industrial facility, this reduction translates directly to a decrease in required feed pump energy, generating up to 5% total energy savings. Consequently, operational expenditures (OPEX) are significantly reduced, lowering the Total Cost of Ownership (TCO) over the lifespan of the membrane system. The unit consistently achieves a nominal permeate flow rate of 11,500 gallons per day (43.5 cubic meters per day) alongside an exceptional stabilized salt rejection rate of 99.5% under standard test conditions (2,000 ppm NaCl at 150 psi).
The operating envelope of the SG30LE PRO-440 is exceptionally robust for demanding plant environments. It is capable of withstanding a maximum operating pressure of 600 psi (41 bar) and maximum feed flow rates of up to 75 gpm (17 cubic meters per hour). The element tolerates a continuous operating pH range of 2 to 11, allowing for flexibility in varying feed water chemistries, while also permitting aggressive short-term Clean-In-Place (CIP) procedures with a pH range of 1 to 13 for up to 30 minutes. Operators must exercise caution regarding oxidation; the polyamide composite has a strict free chlorine tolerance of < 0.1 ppm, necessitating thorough dechlorination during pretreatment to prevent irreversible membrane degradation. Each unit is supplied with a high-integrity U-Cup brine seal, a durable fiberglass outer wrap, and an essential interconnector coupler assembly complete with EPR O-rings to ensure leak-free staging within standard pressure housings.
Applications & Industry Use-Cases
- Semiconductor Ultrapure Water (UPW) Production: Specifically engineered as a semiconductor-grade element, this product provides the critical reduction of Total Organic Carbon (TOC) and particles necessary in the primary loop of UPW generation to prevent microscopic defects on silicon wafers.
- Flat Panel Display Manufacturing: The consistent water quality and high small-organics rejection are critical for rinsing processes in electronics manufacturing, ensuring display substrates remain completely free from dissolved impurities that cause pixel failure.
- Advanced Microelectronics Fabrication: Utilizing the high 99.5% stabilized salt rejection, microelectronics facilities can rely on this membrane to heavily strip TDS from local feed waters, reducing the downstream burden on mixed-bed ion exchange resins and Electrodeionization (EDI) systems.
- Large-Scale Industrial Brackish Water Desalination: With a substantial 440 square foot active area and an 11,500 gpd permeate output, heavy manufacturing plants can process vast volumes of utility feed water efficiently, minimizing footprint and infrastructure requirements.
- Energy-Optimized Municipal Water Treatment: Municipal facilities looking to upgrade legacy systems can leverage the 28-LDP feed spacer to achieve up to a 50% drop in differential pressure, significantly reducing the electrical load required by high-pressure feed pumps.
- High-Purity Boiler Feedwater Generation: Power generation plants utilizing steam turbines require ultra-low TDS feedwater; the SG30LE PRO-440 acts as an exceptional primary barrier, protecting boiler internals from scaling and minimizing blowdown frequency.
Cross-Compatibility & System Integration
The FilmTec™ SG30LE PRO-440 is manufactured to universally recognized industrial dimensions, functioning as a seamless drop-in replacement for standard 8-inch diameter brackish water reverse osmosis elements. The precise external dimensions are 40.0 inches (1,016 mm) in length and 7.9 inches (201 mm) in outer diameter, allowing it to integrate flawlessly into all standard commercial 8-inch FRP (Fiberglass Reinforced Plastic) or stainless steel pressure vessels. The element features a standard 1.125-inch (29 mm) inner diameter permeate tube, ensuring compatibility with ubiquitous industry manifold systems.
To guarantee leak-free system integration across multi-element arrays, DuPont supplies an essential interconnector hardware kit with every SG30LE PRO-440 membrane. This includes a dedicated product coupler (Part Number 313198) and two specialized 3-912 EPR (Ethylene Propylene Rubber) O-rings (Part Number 151705). The EPR material was specifically selected for its broad chemical resistance and long-term durability under pressure, ensuring strict isolation between the pressurized feed-concentrate stream and the low-pressure permeate stream.
When designing or retrofitting a system utilizing this model, procurement engineers and plant operators must calculate the total pressure drop across the pressure vessel. While a single element exhibits a maximum pressure drop of 15 psi (1.0 bar), vessels loaded with a minimum of four elements must adhere to a cumulative maximum pressure drop limit of 50 psi (3.5 bar). Proper system staging, adherence to maximum feed flow limits of 75 gpm, and maintenance of the U-Cup brine seal orientation during installation are essential to prevent channeling, mechanical damage, and reduced membrane lifespan.
Frequently Asked Questions
Q: What is the primary difference between the SG30LE PRO-440 and previous SG30LE models?
The PRO-440 generation features an advanced 28-LDP feed spacer that provides up to a 50% reduction in pressure drop. This design yields up to 5% in energy savings while delivering a high active surface area of 440 square feet for increased productivity.
Q: What is the maximum operating pressure for the FilmTec™ SG30LE PRO-440?
This membrane element is designed to handle a maximum operating pressure of 600 psi (41 bar), making it highly suitable for challenging brackish water conditions requiring elevated driving forces.
Q: Can this membrane element tolerate chlorine in the feed water?
No, the polyamide thin-film composite membrane is highly sensitive to oxidation. The free chlorine tolerance is strictly < 0.1 ppm. Complete removal of residual free chlorine via pretreatment is mandatory to prevent voiding the warranty due to oxidation damage.
Q: What are the exact dimensions for housing compatibility?
The element measures 40.0 inches (1,016 mm) in length with a 7.9-inch (201 mm) outer diameter. The permeate tube has a 1.125-inch (29 mm) inner diameter, ensuring it fits standard 8-inch industrial pressure vessels.
Q: What is the recommended procedure for a new element start-up?
Upon initial wetting, the elements must be kept moist at all times. Operators are advised to discard the permeate obtained during the first hour of operation to flush out any internal shipping preservatives or residual manufacturing materials.
Q: Where can I buy the FilmTec™ SG30LE PRO-440 in bulk for my facility?
You can procure the FilmTec™ SG30LE PRO-440 directly from Growthbet LTD. As an industrial procurement specialist, we offer DDP bulk pricing. Email your requirements to sales@growthbet.net for a comprehensive quotation.
Source This Product From Growthbet LTD
Growthbet LTD is a UK-registered global industrial procurement company specializing in sourcing and delivering technical components under a full-liability DDP (Delivered Duty Paid) model. When you source through Growthbet, the company assumes complete responsibility for supplier verification, quality control, international freight, customs clearance, and last-mile delivery to your facility — with a single, transparent invoice and no hidden costs.
- Bulk & Project Pricing: Competitive DDP landed-cost quotations for any volume, from single units to full-container orders.
- 48-Hour Quotation Response: Submit your specifications and quantity, and receive a formal sourcing brief within 48 hours.
- Global Delivery: DDP shipping to the GCC, United Kingdom, Europe, United States, Australia, and worldwide.
- Verified Supply Chain: Every supplier is factory-audited and certification-verified before any order is placed.
📧 Request a Quote: Email sales@growthbet.net with the product name, quantity, and delivery destination. 📞 Call: +44 7897470885.