Introduction:
The LEFILTER LFBW-30PRO400 seawater RO membrane elements are widely used in oil & gas industry. It is an perfect analog to FilmTec P/N: BW30 PRO-400 RO membrane element.
Key applications:
• Demineralization for industrial applications, such as: Power Generation, Steel & Metal, Chemical & Petrochemical
• Municipal water purification
Product Type:
Polyamide Thin-Film Composite
Typical Properties:
Active area: 400ft2 (37m2)
Feed spacer thickness: 28 mil
Permeate flow rate: 11000gpd (42m3/d)
Stabilized salt rejection: 99.6%
Minimum salt rejection: 99.4%
Dimensions:
Inner diameter: 1.125inch
Outer diameter: 7.89inch
Length: 40.0inch
Suggested Operating Conditions:
Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 600 psig (41 bar)
Maximum Pressure Drop: 15 psig (1.0 bar)
Maximum Feed Silt Density Index: SDI 5
Free Chlorine Tolerance: < 0.1 ppm
Max. Feedwater Turbidity: 1.0 NTU
pH range:
Continuous operation: 2-11
Chemical Cleaning (30min.): 1-13
Important Information:
Proper start-up of reverse osmosis water treatment systems is essential to prepare the membranes for operating service and to prevent membrane damage due to overfeeding or hydraulic shock. Following the proper start-up sequence also helps ensure that system operating parameters conform to design specifications so that system water quality and productivity goals can be achieved.
Before initiating system start-up procedures, membrane pretreatment, loading of the membrane elements, instrument calibration and other system checks should be completed.
Operation Guidelines:
Avoid any abrupt pressure or cross-flow variations on the spiral elements during startup, shutdown, cleaning or other sequences to prevent possible membrane damage.
During start-up, a gradual change from a standstill to operating state is recommended as follows:
*Feed pressure should be increased gradually over a 30-60 second time frame.
*Cross-flow velocity at set operating point should be achieved gradually over 15-20 seconds.
General Information:
*Keep elements moist at all times after initial wetting.
*To prevent biological growth during prolonged system shutdowns, it is recommended that membrane
elements be immersed in a preservative solution.
*The customer is fully responsible for the effects of incompatible chemicals and lubricants on elements.
*Maximum pressure drop across an entire pressure vessel (housing) is 50 psi (3.4 bar). l Avoid static permeate-side backpressure at all times.
Other models available:
| Equivalent Dow |
| BW30XFR-400/34 |
| BW30FR-400/34 |
| BW30-400/34 |
| BW30-400/34i |
| BW30-400 |
| BW30-400IG |
| BW30-365 |
| BW30XFR-400/34i |
| BW30FR-400/34i |
| BW30HRLE-440 |
| BW30HRLE-440i |
| XFRLE-400/34i |
| SW30HRLE-400 |
| BW30FR-400/34i |
| BW30XFRLE-400/34i |
| BW30LCHR-4040 |
| BW30-4040 |
| LCLE-4040 |
| BW30HRLE-4040 |
| SW30-4040 |
| BW30HR-380 |
| SFP-2880 |
| Equivalent Hydranautics |
| ESPA1-4040 |
| CPA2-4040 |
| CPA3-LD |
| SWC5-LD |
| ESPA2-4040 |
| YQS-4040 |
| ESPA2-7 |
| CPA6-LD |
| ESPA2 MAX |
| LFC3-LD |
| ESPA2 |
| PR0C10 |
| PR0C20 |
| ESPA2-4040 |
| ESPA4-4040 |
| CPA3-LD-8040 |
| SWC5-8040 |
| YQS-8040 |
| ESPA2-8040 |
| ESNA1-LF-LD |
| ESNA1-K1 |
| CPA3-LD |
| Equivalent Toray |
| TMH20A-400C |
| TMH20A-440C |
| TMG20-370C |
| TMG20-400C |
| TMG20-440C |
| TMG20D-400 |
| TMG20D-440 |
| TM720-370 |
| TM720-400 |
| TM720-440 |
| TM720C-440 |
| TM720D-370 |
| TM720D-400 |
| TM720D-440 |
| TML20N-400 |
| TML 20D-370 |
| TML20DA400 |
| TML20D-400 |
| TMH10A |
| TMG10D |
| TM710D |
| TML10D |
| Equivalent CSM |
| RE4040-BLR |
| RE8040-BE |
| RE8040-BLN |
| RE8040-BLR |
| RE4040-BLN |
| RE4040-BE |
| L-RO-4040 |
| RE1812-HR50 |
| RE1812-HR75 |
| RE1812-HR100 |
| RE4021-TE |
| RE2521-TE |
| RE2540-TE |
| RE4040-TE |
| RE4040-TL |
| Equivalent GE |
| AG8040F-400FR,34 |
| AG8040F-400 |
| AG8040F-400LF |
| AG4040FM |
| AG8040F-365 |
| AG8040N-400 |
| AK4040FM |
| AG4040F |
| Equivalent VONTRON |
| SW4040HR |
| ULP21-8040 |
| ULP2012 |
| ULP1812 |
| ULP32-8040 |
| ULP31-4040 |
| ULP22-8040 |
| ULP21-4040 |
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