Engineered to fit standard 8-inch commercial pressure vessels, the EXLP-8040 achieves a stabilized salt rejection of 99.2% under standard testing conditions (500 mg/L NaCl at 25 deg C), effectively reducing total dissolved solids, silica, hardness minerals, and heavy metals. The element is built with an industrial-grade fiberglass outer wrap, molded structural end caps, and high-integrity sealing components to resist mechanical fatigue under working pressures up to 41 bar. It offers wide chemical cleanability, accommodating continuous operation across pH 3 to 10 and supporting rigorous short-term chemical clean-in-place (CIP) washes from pH 2 to 12.
Technical information
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- Extra Low Pressure Operation: Operates at a nominal feed pressure of only 6.9 bar, significantly cutting high-pressure pump energy demand and extending component service life.
- High Permeate Flow: Generates 48.4 m3/day (approx. 2,016 L/h) of demineralized water driven by an optimized 37.2 m2 active membrane surface area.
- Superior Salt Rejection: Stabilized rejection rate of 99.2% provides dependable elimination of dissolved mineral salts and conductivity.
- Broad CIP Chemical Tolerance: Withstands continuous operation between pH 3 and 10, and handles intensive short-term CIP acid/alkali sanitization cycles across pH 2 to 12.
- Rugged Fiberglass Outer Wrap: High-strength outer fiberglass winding ensures dimensional integrity and prevents internal leaf shifting under continuous hydraulic duty.
- Standard Industrial 8040 Geometry: Direct drop-in fit for all standard 8" x 40" industrial reverse osmosis housings and multi-element vessels.
- Product Type: Extra Low Pressure Brackish & Tap Water RO Membrane Element
- Manufacturer / Model: Ecosoft / EXLP-8040 (SKU: EXLP8040)
- Membrane Chemistry: Polyamide Thin-Film Composite (TFC), Spiral-Wound
- Active Membrane Area: 37.2 m2 (400 sq ft)
- Nominal Permeate Flow Rate: 48.4 m3/day (approx. 12,800 GPD / ~2.0 m3/h)*
- Stabilized Salt (NaCl) Rejection: 99.2%*
- Nominal Test Pressure: 6.9 bar (100 psi)*
- Standard Test Conditions: 500 mg/L NaCl solution, 25 deg C, pH 7.5*
- Maximum Permissible Working Pressure: 41 bar (600 psi)
- Maximum Element Pressure Drop: 1.0 bar (15 psi)
- Maximum Operating Water Temperature: 45 deg C
- Continuous Operating pH Range: 3.0 to 10.0
- Short-Term Cleaning (CIP) pH Range: 2.0 to 12.0
- Maximum Feed Silt Density Index (SDI15): < 5
- Free Chlorine Tolerance: < 0.1 mg/L (ppm)
- Element Dimensions: Standard 8040 (Outer Diameter: 8.0 inches / approx. 201 mm; Length: 40.0 inches / 1,016 mm)
- Housing Compatibility: Universal 8" commercial and industrial membrane pressure vessels
*Permeate flow rate for individual elements may vary within +/-20% of the nominal value.
- Energy-conscious industrial reverse osmosis facilities
- Technical boiler feed water and closed-loop heating/cooling make-up loops
- Drinking water bottling lines, soft drink manufacturing, and breweries
- Large-scale agricultural greenhouse misting and hydroponics
- Commercial vehicle wash stations and spot-free surface rinsing loops
- Municipal tap, well, and low-salinity surface water desalination
Please note: Strict adherence to initial start-up procedures is required to protect membrane surfaces from hydraulic shock and overfeeding. Raise the feed water pressure gradually over 30 to 60 seconds, and allow 15 to 20 seconds to establish operating cross-flow velocity. Discard all permeate and concentrate produced during the first hour of operation to purge storage preservatives completely. Once wetted, keep the element continuously moist and ensure zero backpressure builds up on the permeate side. For system downtime lasting longer than 72 hours, store the element array in an approved chemical preservative solution to prevent biofouling.
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