Revese Osmosis Membrane Vontron LP21-4040

Original price was: $400.00.Current price is: $365.00.

4”x40” 4040 Brackish Water RO Membrane

Flow 2400 gpd / Salt Rejection 99.5% / Pressure 225 PSI

Provides high permeate flow and high salt rejection at hi salinity inlet water

Equivalent to Filmtec BW30-4040

FREE Delivery (regional areas excluded)*


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SKU: Vontron LP21-4040 Category: Tag:

Brackish Water Reverse Osmosis Membrane - Vontron LP21-4040, 4 inch x 40 inch 

Vontron LP21-4040 brackish water membrane delivers high permeate flows and salt rejection at high salinity inlet water (up to 8000 ppm NaCl Salinity).

Product Specifications:

Salt Rejection: 99.5%*
Permeate Flow: 2400 gpd (9.1 m³/day)*
Membrane Area: 90 ft².
Diameter / Length: 4 inch / 40 inch.
*Test conditions: 2000 mg/l NaCl, 15.5 bar (225 psi), 25 °C (77 °F), pH 7.5, recovery rate 15%.
*Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).

Vontron LP21 4040 membrane is suitable for water purification applications of water sources with salt concentration lower than 8000 ppm (NaCl), 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:*

Filmtec BW30-4040 / Lanxess B085 FR 4040 / GE Desal AG4040 / Hydranautics CPA2-4040 / Toray TM710 / CSM RE4040-BE.
*Check the data sheet for each membrane.

Operation Conditions:

Max. working pressure:  600 psi (4.14MPa)
Max. Feed water flow:  16 gpm (3.6 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)

* We offer FREE Shipping within Australia, however we might charge you in case of remote areas.
If you are in a remote area, please contact us before buying this item,
Cant be send to a postal address (big item)


4040 Vontron ULP11 Membrane

4040 Vontron LP21 Membrane

Additional information

Weight 3.8 kg
Dimensions 108 × 14 × 12 cm


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