Vontron ULP21-2540 RO Membrane

2.5 inch x 40 inch Low Pressure Reverse Osmosis Membrane

Vontron ULP21-2540 ultra low pressure RO membrane delivers high permeate flows and salt rejection at lower raw water pressures, compared to regular low-pressure membrane elements. The high salt rejection and low working pressure result in up to 30% lower energy consumption compared to standard elements.

Vontron ULP 2540 series of low pressure RO membrane element are based on a 10.3 bar (150 PSI) test pressure.

Replacemnt of Filmtec XLE-2540 / Axeon HF4 2540 / Hydranautics ESPA 2540

Product Specifications:

Salt Rejection: 99%*
Permeate Flow: 750 gpd (2.8 m³/day)*
Membrane Area: 30 ft².
Diameter / Length: 2.5 inch / 40 inch.
*Test conditions: 1500 mg/l NaCl, 10.3 bar (150 psi), 25 °C (77 °F), pH 7.5, recovery rate 8%.
*Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).

Vontron ULP 25x40 reverse osmosis membrane is suitable for water purification applications of water sources with salt concentration lower than 2000 ppm, such as surface water, underground water, tap water and municipal water.

Commercial Application:

- Drinking water.
- Softened water for homes, hotels, commercial laundries and car wash.
- Spot free rinse for window cleaning and solar panel cleaning
- Pure water for pharmaceuticals, laboratories, Hemodialysis and electronics
- Sterilisers and autoclaves.
- Chemical industry.
- Aquarium water treatment.
- Boiler and cooling towers make-up water.
- Pure water, boiler water replenishment, foodstuff processing, and pharmaceutical production..

Compatible with reverse osmosis membrane types:*

Dupont Filmtec XLE-2540 / Hydranautics ESPA-2540 / Toray / CSM RE2540 / Axeon HF4 2540
*Check the data sheet for each membrane.

Operation Conditions:

Max. working pressure:  600 psi (4.14MPa)
Max. Feed water flow:  6 gpm (1.4 m3/h)
Max. Temperature of Feed water:  45℃
Max. Feed water SDI15: 5.
Max. Feed Water Total Hardness: 10 ppm (softener or antiscalant should be used).
pH Range of Feed water during Continuous Operation:  3～10
pH Range of Feed Water during Chemical Cleaning:  2～12
Residual chlorine Concentration of feed water ＜0.1ppm Max.
Pressure drop of single membrane element:  15psi (0.1MPa)

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