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Vontron LP21-4040

Vontron LP21-4040

SKU: LP21-4040

LP series of low pressure aromatic polyamide RO element is developed by VONTRON for treatment of brackish water. It has the characteristics of low-pressure in operation, high permeate flow and excellent rejection performance in removing of solvable salts, TOC, SiO2, etc. It is especially suitable for the preparation of high purity water in electronics and power industry.


LP series of low pressure element normally suitable for treatment of brackish water, surface water, underground water and municipal water with TDS is less than 10000 ppm. It is mainly used for producing various scales of bottle water, drinking water, industrial used pure water, high purity water, boiler replenishment water, also for wastewater reuse, material concentration, purification and refining purposes.


  • Membrane Specification

    Vontron LP21-4040 Membrane Elelment

    Model: 40" (1016mm) x 4" (99.7mm)

    Active Membrane Area ft² (m² ): 100 (9.3)

    Permeate Flow GPD(m³/d): 2800 (10.6)

    Stable Rejection Rate%: 99.6

    Feed Spacer Thickness mil: 28

  • Test Condition

    Operating pressure at 225 psi (1.55MPa)

    Temperature at 25°C

    Tested in 2000 mg/L NaCL solution

    pH 7.0 ± 0.5

    Recovery rate at 15%

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