Hydrocomponents & Technologies Inc.
TW30-4040 FilmTec DOW / DuPont Membranes
TW30-4040 FilmTec DOW / DuPont Membranes
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TW30-4040 FilmTec DOW / DuPont Membranes
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FilmTec TW30-4040 Tap Water RO Membrane
The FilmTec TW30-4040 is a highly reliable 4-inch reverse osmosis element specifically optimized for treating tap water in commercial and light industrial systems. It is the industry standard for applications that require a balance between high permeate quality and robust operational life. Primarily used for drinking water systems, medical labs, and small-scale food production, this membrane is designed to handle the variable water chemistry often found in municipal tap water supplies while maintaining consistent output.
Built with a polyamide thin-film composite membrane and a durable fiberglass hard-shell exterior, the TW30-4040 is engineered to provide stable performance over long-term use. Its spiral-wound design ensures efficient water flow and salt rejection, making it a dependable choice for system designers. With a nominal salt rejection of 99.5% and a permeate flow rate of 2,400 gallons per day, this element delivers high-purity water at standard tap water pressures, ensuring a cost-effective solution for diverse water purification needs.
| SPECIFICATION | DETAILS |
| Model Number | TW30-4040 |
| Manufacturer | FilmTec (DuPont) |
| Membrane Type | Polyamide Thin-Film Composite |
| Element Dimensions | 4.0" Diameter x 40" Length |
| Permeate Flow Rate | 2,400 GPD (9.1 m³/d) |
| Stabilized Salt Rejection | 99.5% |
| Minimum Salt Rejection | 99.0% |
| Active Surface Area | 78 ft² (7.2 m²) |
| Test Pressure | 225 psi (15.5 bar) |
| Max Operating Pressure | 600 psig (41 bar) |
| Max Operating Temp | 113°F (45°C) |
| pH Range (Continuous) | 2 – 11 |
| pH Range (Cleaning) | 1 – 13 |
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Manufacturer Updates & Official Specifications: Manufacturers frequently revise product designs, component materials, and technical specifications without prior notice. Official manufacturer documentation and data sheets are the sole authoritative sources for all product specifications and strictly supersede any physical dimensions, specifications, or visual representations presented on this page. It is the customer's sole responsibility to independently verify all technical data—including but not limited to pressure ratings, dimensions, material compatibility, and performance metrics—against the official manufacturer data sheet prior to purchase and installation.
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