Description
(DUPONT) DOW FILMTEC BW30-4040 Membranes
The DOW FILMTEC BW30-4040 elements are a trusted standard in the industry, offering reliable performance and high-quality water production for light industrial applications. These membranes are designed for durability and effective cleaning, ensuring long element life and maintaining high water quality.
The BW30-4040 features the thickest feed spacer (34 mil) in the industry to reduce the impact of fouling, enhancing its overall performance. The fiberglassed shell construction is ideal for systems with multiple-element housings, especially those with three or more membranes, providing resistance to higher pressure drops.
Key Advantages
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High Rejection: Delivers excellent water quality with a high salt rejection rate.
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Durable & Reliable: Designed for long-lasting performance with good cleanability to ensure extended element life.
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Effective Cleaning: Can be cleaned over a wide pH range (pH 1-13), ensuring thorough cleaning when needed.
Specifications
Specification | Details |
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Membrane Type | Polyamide Thin-Film Composite |
Maximum Operating Temperature | 45ºC (113ºF) |
Maximum Operating Pressure | 600 psi (41 bar) |
Maximum Feed Flow Rate (4040 Elements) | 16 gpm (3.6 m³/h) |
Maximum Pressure Drop | 15 psig (1.0 bar) |
pH Range, Continuous Operation | 2 – 11 |
pH Range, Short-Term Cleaning (30 min.) | 1 – 13 |
Maximum Feed Silt Density Index (SDI) | SDI 5 |
Free Chlorine Tolerance | < 0.1 ppm |
Salt Rejection | 99.5% |
These membranes are designed to maintain high efficiency and effectiveness even in the most demanding applications, ensuring a steady supply of high-quality water with low maintenance requirements.
product code : SIE20250331200
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