Revese Osmosis Membrane Vontron LP21-4040
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)*
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, info@waterfilter.net.au.
Cant be send to a postal address (big item)
4040 Vontron LP21 Membrane
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Estimated Delivery:Jul 23 - Jul 27
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Next Day Dispatch
Revese Osmosis Membrane Vontron LP21-4040
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)*
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, info@waterfilter.net.au.
Cant be send to a postal address (big item)
4040 Vontron LP21 Membrane
Discover more in our FAQ
What types of industrial water treatment products do you offer?
We offer a comprehensive range of industrial water treatment solutions, including:
Filtration Systems – Effectively removes sediment, chlorine, and other impurities to enhance water purity and system longevity.
Reverse Osmosis Membranes – High-performance purification technology that eliminates dissolved solids, contaminants, and impurities for ultra-pure water.
Membrane Housings – Durable, high-pressure enclosures engineered to protect and optimize the performance of RO membranes.
Filter Cartridges – Precision-engineered sediment, carbon, and specialty filters designed to target specific contaminants for enhanced water treatment efficiency.
Chemical Dosing Systems – Precise chemical treatment for water.
Media FRP Pressure Vessels – High-pressure tanks for filtration media.
Ion Exchange Resins – Softening and demineralization solutions.
Water Instruments – pH meters, conductivity meters, and TDS testers.
Rotameter Flow Meters – Accurate flow measurement devices.
Watermaker Parts – Spare parts for marine and industrial watermakers.
Water Quality Test Kits – Portable and lab testing solutions.
How do I know which product is right for my application?
Choosing the right product depends on:
Water quality parameters (TDS, pH, hardness, contaminants)
Flow rate and pressure requirements
Industry-specific needs (food processing, pharmaceuticals, HVAC, etc.)
If you’re unsure, our technical support team can help you select the best solution.
Do you offer bulk pricing for large industrial orders?
Yes! We provide bulk discounts and custom pricing for high-volume orders. Contact us for a personalized quote.
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions. Expedited shipping options are available upon request.
What is your return policy?
We offer a 14-day return policy from the date of delivery. If you are not completely satisfied with your purchase, you can return the item for a refund or exchange, provided it meets our return conditions.
What happens if I receive a damaged or incorrect item?
If your item arrives damaged or you receive the wrong product, please contact us immediately at support@waterfilter.net.au with photos and your order number. We will send a replacement or issue a refund as per our return policy..
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions.
Expedited shipping options are available upon request.
Do you ship internationally?
Yes, we offer international shipping for most of our industrial water treatment products. Contact us for custom shipping quotes and lead times.