Everything for reverse osmosis
Our company specializes in supplying high‑quality reverse osmosis membranes, offering a wide range of models tailored to diverse applications — from lightly brackish water treatment and municipal systems to industrial installations, advanced desalination processes, and ZLD solutions.
XLP (Extremely Low Pressure)
XLP (Extremely Low Pressure) – membranes designed for very low operating pressure, delivering high permeate flow with minimal energy consumption.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| XLP (Extremely Low Pressure) | Vontron XLP12-8040 | 8040 (8″×40″) | 37.2 | 99.2 | NaCl 500 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 6.9 | 41.4 |
| XLP (Extremely Low Pressure) | Vontron XLP11-4040 | 4040 (4″×40″) | 9.3 | 99.2 | NaCl 500 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 6.9 | 41.4 |
ULP (Ultra Low Pressure)
ULP (Ultra Low Pressure) – membranes designed for low‑pressure operation, offering high permeate flow and stable performance for municipal, commercial, and industrial applications.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| ULP (Ultra Low Pressure) | Vontron ULP21-8040 | 8040 (8″×40″) | 33.9 | 99.0 / 98.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP12-8040 | 8040 (8″×40″) | 37 | 98.0 / 97.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP22-8040 | 8040 (8″×40″) | 37 | 99.0 / 98.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP32-8040 | 8040 (8″×40″) | 37 | 99.5 / 99.0 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP11-4040 | 4040 (4″×40″) | 7.9 | 98.0 / 97.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP21-4040 | 4040 (4″×40″) | 7.9 | 99.0 / 98.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP31-4040 | 4040 (4″×40″) | 7.9 | 99.4 / 99.0 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP11-4021 | 4021 (4″×21″) | 3.3 | 98.0 / 97.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 8% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP21-4021 | 4021 (4″×21″) | 3.3 | 99.0 / 98.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 8% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP31-4021 | 4021 (4″×21″) | 3.3 | 99.4 / 99.0 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 8% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP21-2521 | 2521 (2.5″×21″) | 1.1 | 99.0 / 98.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 8% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP21-2540 | 2540 (2.5″×40″) | 2.6 | 99.0 / 98.5 | NaCl 1500 ppm; 25 °C; pH 7.5; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP32-8040-440 | 8040 (8″×40″) | 40.9 | 99.3 | NaCl; 25 °C; pH; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP32-8040/31 | 8040 (8″×40″) | 37.2 | 99.5 | NaCl; 25 °C; pH; Recovery 15% | 10.3 | 41.4 |
| ULP (Ultra Low Pressure) | Vontron ULP4040-PRO | 4040 (4″×40″) | 9.3 | 99.7 | NaCl; 25 °C; pH; Recovery | 41.4 |
LP (Low Pressure / Brackish Water)
LP (Low Pressure / Brackish Water) – membranes designed for treating slightly brackish water, offering high salt rejection and an optimal balance between performance and energy consumption.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| LP (Low Pressure / Brackish Water) | Vontron LP22-8040/31 | 8040 (8″×40″) | 37.2 | 99.7 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| LP (Low Pressure / Brackish Water) | Vontron LP22-8040 | 8040 (8″×40″) | 37.2 | 99.7 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| LP (Low Pressure / Brackish Water) | Vontron LP22-8040-440 | 8040 (8″×40″) | 40.9 | 99.7 | NaCl 2000 ppm; T; pH; Recovery 15% | 15.5 | 41.4 |
| LP (Low Pressure / Brackish Water) | Vontron LP22-8040PRO | 8040 (8″×40″) | 37.2 | 99.7 | NaCl 2000 ppm; T; pH; Recovery 15% | 15.5 | 41.4 |
| LP (Low Pressure / Brackish Water) | Vontron LP21-4040 | 4040 (4″×40″) | 9.3 | 99.6 | NaCl 2000 ppm; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| LP (Low Pressure / Brackish Water) | Vontron LP100 | 4″ (model code “100”) | 9.3 | 99.7 | NaCl 2000 ppm; T; pH; Recovery 15% | 15.5 | 41.4 |
FR (Fouling Resistant)
FR (Fouling Resistant) – membranes engineered for increased resistance to organic and colloidal fouling, ensuring stable performance in challenging feedwater conditions.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| FR (Fouling Resistant) | Vontron FR12-8040 | 8040 (8″×40″) | 37.2 | 99.5 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| FR (Fouling Resistant) | Vontron FR22-8040PRO | 8040 (8″×40″) | 37.2 | 99.7 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| FR (Fouling Resistant) | Vontron FR400-LD | 8040 (8″×40″) | 37.2 | 99.6 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| FR (Fouling Resistant) | Vontron FR11-4040 | 4040 (4″×40″) | 8.4 | 99.5 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
PURO (Helixfil / Fouling Resistant)
PURO (Helixfil / Fouling Resistant) – membranes using Helixfil technology, combining low energy consumption with high fouling resistance for stable operation under heavy contaminant load.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| PURO (Helixfil / Fouling Resistant) | Vontron PURO‑I | 8040 (8″×40″) | 37.2 | 99.75 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| PURO (Helixfil / Fouling Resistant) | Vontron PURO‑II | 8040 (8″×40″) | 37.2 | 99.8 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| PURO (Helixfil / Low Energy + Fouling Resistance) | Vontron PURO‑FRLE | 8040 (8″×40″) | 37.2 | 99.6 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 10.3 | 41.4 |
HOR (High Oxidation Resistant)
HOR (High Oxidation Resistant) – membranes engineered for enhanced resistance to oxidizing agents, suitable for systems exposed to trace oxidants or chemically aggressive conditions.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| HOR (High Oxidation Resistant) | Vontron HOR22‑8040 | 8040 (8″×40″) | 37.2 | 99.5 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
| HOR (High Oxidation Resistant) | Vontron HOR21‑4040 | 4040 (4″×40″) | 8.4 | 99.5 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 15.5 | 41.4 |
SW (Seawater)
SW (Seawater) – high‑pressure membranes designed for seawater desalination, offering very high salt rejection and stable performance under extreme salinity conditions.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| SW (Seawater) | Vontron SW8040XHR‑400 | 8040 (8″×40″) | 37.2 | 99.85 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040XHR‑440 | 8040 (8″×40″) | 40.9 | 99.85 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040FR‑400 | 8040 (8″×40″) | 37.2 | 99.8 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040HR‑400 | 8040 (8″×40″) | 37.2 | 99.8 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040HR‑440 | 8040 (8″×40″) | 40.9 | 99.8 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040LE‑400 | 8040 (8″×40″) | 37.2 | 99.8 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040LE‑440 | 8040 (8″×40″) | 40.9 | 99.8 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040XLE‑400 | 8040 (8″×40″) | 37.2 | 99.7 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW8040XLE‑440 | 8040 (8″×40″) | 40.9 | 99.7 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW4040HR | 4040 (4″×40″) | 8.4 | 99.8 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW4040LE | 4040 (4″×40″) | 8.4 | 99.7 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW11‑4021 | 4021 (4″×21″) | 3.1 | 99.5 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 4% | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW11‑2521 | 2521 (2.5″×21″) | 1.1 | 99.5 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery — | 55.2 | 82.7 |
| SW (Seawater) | Vontron SW11‑2540 | 2540 (2.5″×40″) | 2.6 | 99.5 | NaCl 32000 mg/L; 25 °C; pH 8; Recovery 8% | 55.2 | 82.7 |
VHD (Heat Sanitizable)
VHD (Heat Sanitizable) – membranes designed for high‑temperature tolerance, enabling periodic thermal disinfection in applications requiring elevated hygiene standards.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| VHD (Heat Sanitizable) | Vontron VHD‑8040/34G | 8040 (8″×40″) | 37.2 | 98 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 10.3 | 41.4 |
| VHD (Heat Sanitizable) | Vontron VHD‑4040/34G | 4040 (4″×40″) | 8.4 | 98 | NaCl 2000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 10.3 | 41.4 |
Helixfil (Strengthened)
Helixfil (Strengthened) – reinforced membranes with increased mechanical durability and operational stability, designed for intensive filtration processes.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| Helixfil (Strengthened) | Vontron ULP400‑LD | 8040 (8″×40″) | 37.2 | 99.5 | NaCl 1500 ppm; 25 °C; pH; Recovery 15% | 10.3 | |
| Helixfil (Strengthened) | Vontron LP440‑MAX | 8040 (8″×40″) | 40.9 | 99.7 | NaCl 2000 ppm; 25 °C; pH; Recovery 15% | 15.5 |
UHP (High Pressure / High Salinity)
UHP (High Pressure / High Salinity) – membranes designed for operation under very high pressure and high salinity, suitable for advanced industrial desalination and high‑TDS applications.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| UHP (High Pressure / High Salinity) | Vontron UHP21‑4040 | 4040 (4″×40″) | 8.4 | 99.5 | NaCl 5000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 41.4 | 55.2 |
| UHP (High Pressure / High Salinity) | Vontron UHP22‑8040 | 8040 (8″×40″) | 37.2 | 99.5 | NaCl 5000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 41.4 | 55.2 |
ZERO (ZLD – Zero Liquid Discharge)
ZERO (ZLD) – membranes engineered for Zero Liquid Discharge systems, delivering maximum salt rejection and stable performance under extreme operating conditions.
| Series | Full name (brand/model) | Size (standard dimension) | Area, m² (nom./eff.) | NaCl rejection, % (stab./min.) | Rejection test conditions | Test pressure, bar | Max., bar |
|---|---|---|---|---|---|---|---|
| ZERO (ZLD) | Vontron ZERO‑8040 | 8040 (8″×40″) | 37.2 | 99.8 | NaCl 5000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 41.4 | 55.2 |
| ZERO (ZLD) | Vontron ZERO‑4040 | 4040 (4″×40″) | 8.4 | 99.8 | NaCl 5000 mg/L; 25 °C; pH 7.0 ± 0.5; Recovery 15% | 41.4 | 55.2 |