Compliance & Document Hub
- USA FDA Food Additive Status: Compliant with the U.S. Food, Drug and Cosmetic Act under Food Additive Regulation 21 CFR § 177.2550 for processing liquid food and purifying water for food manufacturing.
- Potable Water Compliance: Element parts and materials in contact with potable water comply with 21 CFR § 170 to 199.
Executive Product Summary
The DuPont FilmTec BW30XHR PRO-400/34 is an extra high rejection brackish water reverse osmosis (RO) membrane element designed for large-scale industrial and municipal water treatment systems requiring exceptional permeate quality. Engineered using advanced polyamide thin-film composite technology, this 8-inch element offers a highly optimized balance of superior salt rejection and energy efficiency, delivering a substantial 11,500 gallons per day (43.5 m³/d) of permeate flow with an outstanding stabilized salt rejection rate of 99.8%. With a minimum salt rejection threshold of 99.6%, it guarantees stringent water quality output even in challenging feed water conditions.
A central engineering advantage of the BW30XHR PRO-400/34 is its robust 34-mil Low Differential Pressure (LDP) feed spacer. Combined with 400 square feet (37 m²) of active membrane area, this specialized spacer significantly enhances fouling protection by optimizing hydrodynamics within the element. This prevents the accumulation of particulates and biological matter, directly lowering the pressure drop across the membrane surface. By maintaining a lower differential pressure, the element minimizes energy consumption during continuous operation, thereby substantially reducing operational expenditure (OPEX) and extending the interval between cleanings. Over the lifecycle of the system, this translates to a markedly lower total cost of ownership (TCO) for plant operators and municipal managers.
The operational envelope of the FilmTec BW30XHR PRO-400/34 is highly resilient, accommodating a maximum operating pressure of 600 psi (41 bar) and maximum feed flows up to 75 gpm (17 m³/h). It withstands continuous operational temperatures up to 113°F (45°C), although temperatures above pH 10 should be strictly restricted to 95°F (35°C) to prevent degradation of the composite layers. The membrane operates effectively within a continuous pH range of 2 to 11, with the capacity to endure short-term cleanings across an expanded pH range of 1 to 13, enabling aggressive and highly effective Clean-in-Place (CIP) protocols to combat scaling and organic fouling.
Furthermore, the BW30XHR PRO-400/34 provides exceptional rejection capabilities for specialized contaminants including silica, boron, nitrate, Total Organic Carbon (TOC), and ammonium, making it indispensable for critical process water applications. Operators must ensure careful handling to avoid static permeate-side backpressure at all times and adhere to the strict free chlorine tolerance limit of less than 0.1 ppm to prevent irreversible oxidation damage to the polyamide layer. By integrating superior fouling resistance, rigorous FDA compliance for food processing applications, and exceptional long-term durability, the BW30XHR PRO-400/34 stands as a top-tier choice for industrial procurement professionals seeking unmatched reliability and sustained performance in demanding water treatment environments.
Applications & Industry Use-Cases
- Power Generation: Utilized in boiler feed water preparation and demineralization, leveraging the exceptional 99.8% stabilized salt rejection to prevent scaling on turbine blades and boiler tubes, thereby ensuring peak thermal efficiency.
- Chemical & Petrochemical Processing: Essential for generating high-purity process water required in critical chemical syntheses; the membrane's ability to reject silica, boron, and TOC ensures that trace contaminants do not interfere with sensitive catalytic reactions.
- Food & Beverage Manufacturing: Fully compliant with FDA 21 CFR § 177.2550, this element is safely employed for purifying water used directly in liquid food processing and beverage formulations without risking regulatory non-compliance.
- Municipal Water Purification: Deployed in large-scale desalination and brackish water treatment plants to produce safe drinking water, utilizing its 11,500 gpd permeate flow rate to meet high-volume community demand effectively.
- Steel & Metal Manufacturing: Applied in cooling loop and rinsing operations where stringent permeate quality is required; the 34-mil LDP feed spacer prevents fouling from industrial particulates commonly found in heavy manufacturing environments.
- Industrial Wastewater Recovery: Used in advanced recovery systems to reclaim process water; the robust polyamide thin-film composite construction allows for short-term chemical cleaning up to pH 13 to clear aggressive organic fouling and extend service life.
Cross-Compatibility & System Integration
The FilmTec BW30XHR PRO-400/34 is engineered with an industry-standard 8-inch diameter format, measuring precisely 7.9 inches (201 mm) in outer diameter and 40.0 inches (1,016 mm) in length. This standardized dimensional profile ensures that the element functions as a seamless, drop-in replacement for existing 8-inch brackish water reverse osmosis systems. It is fully compatible with standard 8-inch pressure vessels manufactured by major housing producers, supporting multi-element configurations where the maximum pressure drop per vessel does not exceed 50 psi (3.5 bar).
For secure and leak-free internal connections, each BW30XHR PRO-400/34 element is supplied with a high-quality interconnecting coupler (part number 313198). This included coupler assembly comes pre-fitted with two 3-912 EPR O-rings (part number 151705), ensuring reliable sealing between elements within the pressure vessel. The element also features a standard 1.125-inch (29 mm) inner diameter core tube, a U-cup brine seal for proper flow routing, and a durable fiberglass outer wrap for structural integrity under high pressure.
System engineers should ensure that pre-treatment systems are calibrated to maintain a Silt Density Index (SDI) below 5 and strictly remove residual free chlorine (must be < 0.1 ppm) to prevent oxidation damage to the polyamide membrane layer. By adhering to standard 8-inch RO sizing conventions, procurement managers can confidently source this element for both retrofits and new-build water treatment infrastructure.
Frequently Asked Questions
Q: What is the permeate flow rate and salt rejection of the FilmTec BW30XHR PRO-400/34?
Under standard test conditions, this element delivers a permeate flow rate of 11,500 gallons per day (43.5 m³/d) and provides a stabilized salt rejection of 99.8%, with a guaranteed minimum salt rejection of 99.6%.
Q: Is the FilmTec BW30XHR PRO-400/34 suitable for food and beverage applications?
Yes, when used unmodified and according to good manufacturing practices, this membrane complies with the U.S. FDA Food Additive Regulation 21 CFR § 177.2550 for use in processing liquid food and purifying water for food manufacturing.
Q: What is the maximum operating temperature and pressure for this RO element?
The membrane can withstand a maximum operating pressure of 600 psi (41 bar) and a maximum continuous operating temperature of 113°F (45°C). However, if continuous operation occurs at a pH above 10, the maximum temperature must be limited to 95°F (35°C).
Q: Does the element come with necessary installation hardware?
Yes, DuPont supplies a dedicated coupler (part number 313198) with each element, which includes two specialized 3-912 EPR O-rings (part number 151705) to ensure a secure, leak-free connection between adjacent membranes.
Q: What is the function of the 34-mil feed spacer?
The 34-mil Low Differential Pressure (LDP) feed spacer minimizes fouling by optimizing fluid dynamics across the membrane surface. This enhanced fouling protection reduces the frequency of cleaning cycles and lowers overall energy consumption.
Q: Where can I buy the DuPont FilmTec BW30XHR PRO-400/34 in bulk?
You can purchase this element in any volume directly from Growthbet LTD. Contact our procurement team at sales@growthbet.net for a competitive Delivered Duty Paid (DDP) quote tailored to your project location.
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.
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📧 Request a Quote: Email sales@growthbet.net with the product name, quantity, and delivery destination. 📞 Call: +44 7897470885.