FILMTEC™ LC LE PRO-4040 Low Pressure (Low Energy) Commercial RO Membrane Element
Direct Replacement for DOW FilmTec LC LE-4040
FilmTec LC LE PRO-4040 Elements deliver high quality water at low pressure at harsh water conditions, using technology for low energy commercial applications. DuPont’s fully automated element production enables consistent products and minimizes the total cost of ownership of water treatment systems.
DuPont Filmtec (Formerly DOW FILMTEC) Brackish Water Reverse Osmosis Elements separate salts from water and are produced with an automated fabrication process for precision, consistency, and reliability. FILMTEC RO membranes build on a tradition of leadership in the thin-film composite membrane industry and meet the challenges of higher rejection in lower-pressure operations.
FILMTEC LC LE PRO-4040 is FDA – 21 CFR 177.2550; Food and Drug Administration Compliant.
FILMTEC LC LE PRO-4040 is the direct replacement for DOW FilmTec LC LE-4040, which has been discontinued by the manufacturer.
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Specifications for LC PRO LE-4040
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| FilmTec Product: |
LC LE PRO-4040 |
| FilmTec Part Number: |
12081512 |
Replaces Models:
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LC LE-4040, 356603, 356602, LE-4040, 275173
BW30LE-4040 |
| Size (Approximate): |
4" Dia. x 40"L |
| Flow Rate: |
2,600 gpd (985 m³/d) |
| Applied Pressure: |
125 psig (8.6 bar) |
| Stabilized Salt Rejection: |
99.5% |
| Minimum Salt Rejection: |
99.0% |
| Single Element Recovery: |
15% |
| Exterior: |
Hard Shell Fiberglass |
| Active Area: |
94 sq. ft. |
Membrane Type:
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Polyamide Thin-Film
Composite |
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Permeate flow and salt rejection based: 2,000 ppm NaCl feed stream, 77°F, 15% recovery, pH 8, 125 psig.
Operating Limits for LC LE PRO-4040
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| Maximum Operating Temperature: |
113°F (45°C)
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| Maximum Operating Pressure: |
600 psig (41 bar) |
| Maximum Pressure Drop: |
15 psig (1 bar) |
| Maximum Feed Flow Rate: |
16 gpm (3.6m³/h)
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| pH Range, Continuous Operation*: |
2-11 |
| pH Range, Short-Term Cleaning**: |
1-13 |
| Maximum Feed Silt Density Index: |
SDI 5 |
| Fere Clorine Tolerance***: |
<0.1ppm |
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*Maximum temperature for continuous operation above pH 10 is 95°F
**Refer to cleaning guidelines.
***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.
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