Dow Filmtec LP-2540
Reverse Osmosis (RO) Membrane
1,000 GPD low pressure/high capacity light industrial / commercial / whole house replacement reverse osmosis (RO) membrane element
Sorry, this item has been discontinued by the manufacturer. Filmtec recommends the XLE-2540 as a replacement for this item.
| Specifications: |
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| Membrane Type: | Polyamide Thin-Film Composite (TFC) |
| Maximum Operating Temperature: | 113F (45C) |
| Maximum Operating Pressure: | 600 psi (41 bar) |
| Maximum Pressure Drop: | 13 psi (0.9 bar) |
| Feed Spacer Thickness: | 28 mil |
| Maximum Feed Flow Rate: | 6 gpm (1.4 m3/hr) |
| pH Range, Continuous Operation: | 2-11*** |
| pH Range, Short-Term Cleaning: | 1-13* (30min) |
| Maximum Feed Silt Density Index: | 5 SDI |
| Free Chlorine Tolerance: | < 0.1 ppm** |
| Permeate Flow Rate: | 1,000 GPD (3.8 m3/day)* |
| Stabilized Salt Rejection: | 99.2% |
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*Permeate flow and salt rejection based on the following test conditions: 77F (25C), 15% recovery and applied pressure of 145 psig (10 bar), tested on a 500 ppm NaCl feed stream. Permeate flow rates for individual elements may vary +/-20%.
**Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, Dow recommends removing residual free chlorine by pretreatment prior to membrane exposure. Most RO systems have carbon pre-filters for this purpose.
***Maximum temperature for continuous operation above pH 10 is 95F (35C).
Note: The Filmtec LP-2540 can replace Filmtec TW30HP-2540 for low pressure operation.
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Dimensions:
A: 40.0" (1,016mm)
B: 1.19" (30.2mm)
C: 0.75" (19mm)
D: 2.4" (61mm)
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| Model |
Diameter Inches |
Length Inches |
Active Surface
Area ft2 (m2) |
Test Pressure |
Permeate Flow
Capacity
GPD (m3/day) |
Price |
Filmtec LP-2540
Our Stock #7030254004
Dow Part #231653 |
2.5 |
40 |
28 (2.6) |
145 psi |
1,000 (3.8) |
Sorry, this item has been discontinued by the manufacturer. Filmtec recommends the XLE-2540 as a replacement for this item.
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Notice: The use of this product in and of itself does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction is dependent on the complete system design and on the operation and maintenance of the system.
Customer Questions & Answers
