Vontron Membranes

Vontron Reverse Osmosis Membrane XLP11-4040

★★★★★Quality-assured Puritech product
R 2 499,99

XLP series of extremely low-pressure aromatic polyamide compound membrane elements can work under ultra-low pressure to reach as high permeate flow and salt rejection as regular low-pressure membrane elements can, and is applicable to desalination of surface water and underground water. It operates under approximately half the operating pressure of a regular low-pressure composite membrane and achieves a salt rejection rate of up to 99.0%, which can decrease the investment costs for such relevant facilities as pump, piping, and container, etc. and the operating cost for the RO system, thus increasing the economic efficiency. Being suitable for the desalination treatment of those water sources with low salinity not requiring high salt rejection such as surface water, underground water, tap water, and municipal water, which have a salt concentration lower than 1000 ppm, XLP series of membrane elements is particularly applicable to the second-pass desalination with two-pass RO system, and is mainly applied to numerous applications of various scales, such as pure water production, boiler water replenishment, foodstuff processing, and pharmaceutical production.

Checking current availability…
1
Nationwide delivery Secure checkout
SKUXLP11-4040CategoriesVontron Membranes
Need help with sizing?Talk to a water treatment specialist.
WhatsApp us

Product information

Details & specifications

Vontron XLP11-4040 RO Membrane – Ultra Efficiency with High Rejection

The Vontron XLP11-4040 RO Membrane stands out as a reliable, high-efficiency reverse osmosis element. It combines excellent salt rejection with reduced energy consumption, making it ideal for commercial and industrial applications. Moreover, its design supports longevity and stable performance across variable feed water conditions.

Because water chemistry varies widely, you should always perform a full water analysis before installation. The analysis helps determine whether pre-treatment (e.g., softening, anti-scalant dosing, chlorine removal) is necessary to protect the Vontron XLP11-4040 RO Membrane from fouling and premature damage.

Key Features & Benefits

  • High Rejection Efficiency: Maintains ≥99% salt rejection under standard test conditions
  • Low-Pressure Operation: Uses lower feed pressure compared to many conventional membranes, thereby reducing pump energy costs
  • Large Active Area: The membrane’s surface area offers high throughput while maintaining compact dimensions
  • Robust Design: Resistant to chemical stress, with stable performance even in varying pH or temperature conditions
  • Long Service Life: Built to withstand repeated cleaning cycles and demanding operational profiles

Technical Specifications

Parameter Value
Membrane Type XLP11-4040 (Vontron)
Active Area ~ 40 ft² (approx.)
Test Conditions 150 psi, 77 °F, NaCl 1500 ppm, 8% recovery
Typical Flux (based on test data)
Rejection Rate ≥ 99%
Operating pH (Continuous) 3.0 – 10.0 (or spec)
Cleaning pH Range 2.0 – 11.5
Max Temperature 45 °C
Dimensions 1016 × 99 × 28.3 mm (approx.)

Applications & Use Cases

This Vontron XLP11-4040 RO Membrane fits well in:

  • Bottled water and beverage production
  • Pharmaceutical & laboratory water systems
  • Industrial process water
  • High-purity water makeup for boilers
  • Large-scale RO systems in commercial plants

When paired with proper pre-treatment and maintenance, it delivers consistent, high-quality permeate.

Installation & Maintenance Advice

Install the Vontron XLP11-4040 RO Membrane aligned with the flow direction. Always flush new membranes with low pressure before applying full operating pressure. Use chemical cleaning protocols as recommended by Vontron based on fouling type (e.g., acids for scaling, alkali for organic fouling). Regularly monitor differential pressure and permeate quality to schedule clean-in-place (CIP) cycles.

Questions answered

Know before you buy

Clear, practical answers to help you choose with confidence.

Complete your system

Related products

View the category