Product Specification Membrane Filmtec BW30LE-440
The FILMTEC BW30LE-440 element has a nominal active membrane area of 440 square feet (41 m2) and an average permeate flow of 11,500 gpd (44 m3/d) at 150 psi under standard conditions as noted below.
The FILMTEC BW30LE-440 element has a nominal active membrane area of 440 square feet (41 m2) and an average permeate flow of 11,500 gpd (44 m3/d) at 150 psi under standard conditions as noted below. External element dimensions are identical to those of conventional 8" elements; however, the I.D. of the product water tube is slighly larger (see datasheet). Optimizing membrane chemistry results in lower pressure operation than the FILMTEC BW30-400, which means system operating economy is enhanced. Because the high productivity of the FILMTEC BW30LE-440 element results from increased surface area and increased element efficiency, the rate of membrane fouling remains low. This means higher flow rates can be sustained over time and element service life is prolonged. The productivity advantages of the FILMTEC BW30LE-440 element can be empolyed in the design fo new systems that produce the desired flow rate while operating at significantly lower feed pressures which can result in savings due to lower energy consumption and fewer pumps. The high surface area of the FILMTEC BW30LE-440 element permits designs of new RO systems that meet productivity targets with fewer elements than standard 8-inch elements resulting in lower installed system cost by reducing the number of system components and lower installation expense.
Nominal Active Surface Area
Permeate Flow Rate
Stabilized Salt Rejection
Minimum Salt Rejection
1. Permeate flow rate and salt rejection based on the following test conditions: 2000 ppm NaCl, 150 psi (1.0 MPa), 77°F (25°C), pH 8, and 15% recovery.
2. Permeate flow rates for individual elements may vary but will be no more than 15% below the value shown.
3. For the purpose of improvement, specifications may be updated periodically.
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Price Membrane Filmtec BW30LE-440