127 membrane models across six product lines — from extremely low pressure through to seawater desalination, zero liquid discharge and point-of-use. Backed by installations running continuously for over a decade.
Vontron's catalogue spans reverse osmosis, nanofiltration and ultrafiltration, from 8-inch industrial elements down to residential cartridges — so array staging, pretreatment and polishing can all be specified from a single source. Choose a line, then open a series for its specifications.
The core industrial line, spanning pressure classes from extremely low through to full seawater strength, with fouling-resistant and heat-sanitizable constructions alongside.
An aromatic polyamide element that operates at roughly half the pressure of a conventional low-pressure membrane while still reaching 98 % rejection. Lower operating pressure means smaller pumps, lighter pipework and vessels, and a materially lower energy bill across the life of the system.
Surface water, groundwater and municipal water below 1,000 ppm TDS. Particularly well suited to the second pass of a two-pass RO system, and widely used in bottled water, drinking water, boiler make-up, food processing and pharmaceutical manufacturing.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| XLP12-8040 | 400 (37.2) | 12800 (48.4) | 99.2 | 28 |
| XLP11-4040 | 100 (9.3) | 2600 (9.8) | 99.2 | 28 |
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A low-pressure aromatic polyamide element built for brackish feed, combining high permeate flow with strong rejection of dissolved salts, TOC and silica. The standard choice where high-purity water is needed in electronics and power generation.
Brackish water, surface water, groundwater and municipal water below 10,000 ppm TDS. Used across bottled and drinking water, industrial pure water, high-purity water and boiler make-up, as well as wastewater reuse, material concentration, purification and refining.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| LP22-8040-440 | 440 (40.9) | 11500 (43.5) | 99.7 | 28 |
| LP22-8040 | 400 (37.2) | 10500 (39.7) | 99.7 | 28 |
| LP22-8040PRO | 400 (37.2) | 11000 (41.6) | 99.7 | 28 |
| LP22-8040/31 | 400 (37.2) | 10500 (39.7) | 99.7 | 31 |
| LP21-4040 | 93 (8.6) † | 2800 (10.6) | 99.6 | 28 |
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† Vontron's catalogue shows 930 ft² for LP21-4040 with no metric conversion. Every comparable 4040 element is in the 90–100 ft² range, so 93 ft² (8.6 m²) is shown here pending confirmation against the datasheet.
Developed for pasteurisation duty in food and pharmaceutical production. Hygienic end connections, shell and fittings minimise stagnant zones between element and pressure vessel, and all components comply with US FDA standards.
Food and pharmaceutical processes requiring hot-water sanitisation of the membrane train rather than chemical sanitisation alone.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| VHD-8040/34G | 400 (37.2) | 9000 (34.0) | 98.0 | 34 |
| VHD-4038G | 90 (8.4) | 2100 (7.9) | 98.0 | 28 |
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Built for difficult feed water. A modified membrane preparation process improves surface hydrophilicity, charge characteristics and smoothness, which together slow biofilm formation and reduce adsorption of foulants. The 34 mil spacer lowers differential pressure and tolerates repeated cleaning, extending service life.
Complex feed sources below 10,000 ppm TDS — surface water, mining wastewater, municipal reclaimed water, industrial wastewater and brackish RO duty.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| FR12-8040 | 400 (37.2) | 10500 (39.7) | 99.5 | 34 |
| FR22-8040PRO | 400 (37.2) | 11000 (41.6) | 99.7 | 34 |
| FR400-LD | 400 (37.2) | 10500 (39.7) | 99.6 | 34 |
| FR11-4040 | 90 (8.4) | 2200 (8.3) | 99.5 | 34 |
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Aromatic polyamide elements for full-strength seawater, characterised by comparatively low operating pressure and stable long-run desalination. The highest-rejection models in the series make single-pass production of drinking water from seawater achievable.
Seawater and high-concentration brackish water. Also applied to power station boiler make-up, wastewater reuse, and the concentration and recovery of high-value substances in food and pharmaceutical production.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| SW8040XHR-440-VG2 | 440 (40.9) | 6600 (25.0) | 99.9 | 28 |
| SW8040XHR-400-VG2 | 400 (37.2) | 6000 (22.7) | 99.9 | 28 |
| SW8040XHR-440 | 440 (40.9) | 6600 (25.0) | 99.85 | 28 |
| SW8040XHR-400 | 400 (37.2) | 6000 (22.7) | 99.85 | 28 |
| SW8040XLE-440 | 440 (40.9) | 12100 (45.8) | 99.7 | 28 |
| SW8040XLE-400 | 400 (37.2) | 11000 (41.6) | 99.7 | 28 |
| SW8040LE-440 | 440 (40.9) | 9500 (35.9) | 99.8 | 28 |
| SW8040LE-400 | 400 (37.2) | 9000 (34.0) | 99.8 | 28 |
| SW8040HR-440 | 440 (40.9) | 8250 (31.2) | 99.8 | 28 |
| SW8040HR-400 | 400 (37.2) | 7500 (28.4) | 99.8 | 28 |
| SW8040FR-400 | 400 (37.2) | 8200 (31.0) | 99.8 | 34 |
| SW4040LE | 95 (8.8) | 1900 (7.2) | 99.7 | 28 |
| SW4040HR | 95 (8.8) | 1600 (6.1) | 99.8 | 28 |
| SW11-4021 | 33 (3.1) | 750 (2.8) | 99.5 | 28 |
| SW11-2540 | 28 (2.6) | 600 (2.3) | 99.5 | 28 |
| SW11-2521 | 12 (1.1) | 270 (1.0) | 99.5 | 28 |
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Vontron's own description names SW8040XHR-400 as the highest-rejection model at 99.85 %, while the table lists the VG2 variants at 99.9 %. Worth confirming which figure governs before quoting.
A newer aromatic polyamide composite whose antioxidant properties have been enhanced through a modified synthesis process, letting the element tolerate a degree of residual oxidant. That tolerance simplifies pretreatment, slows biological fouling, and lengthens service life.
Surface water, groundwater and municipal water below 10,000 ppm TDS. Particularly suited to municipal and industrial reclaimed water reuse, electroplating wastewater, and sources carrying biological load or oxidising substances.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| HOR22-8040 | 400 (37.2) | 9000 (34.0) | 99.5 | 28 |
| HOR21-4040 | 93 (8.6) † | 2200 (8.3) | 99.5 | 28 |
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† As with LP21-4040, Vontron's catalogue shows 930 ft² with no metric conversion. 93 ft² (8.6 m²) is shown pending confirmation.
Operates at roughly two-thirds the pressure of a conventional low-pressure membrane and delivers higher flux than a ULP element at ultra-low operating pressure. Where feed salinity is genuinely low, this is the cheapest water to make.
Municipal water supply and RO permeate with salt content below 500 mg/L.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| XLE-4040HR | 100 (9.3) | 3500 (13.2) | 99.0 | 28 |
| XLE-4040HF | 100 (9.3) | 4200 (15.9) | 98.2 | 28 |
| XLE-4040 | 100 (9.3) | 3500 (13.2) | 98.5 | 28 |
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Runs at about two-thirds the pressure of a low-pressure membrane while still reaching 99.5 % rejection, reducing both the capital cost of pumps, pipework and vessels and the running cost of the system.
Surface water, groundwater and municipal water below 2,000 ppm TDS. Applied in bottled and drinking water, boiler make-up, food processing and pharmaceutical manufacturing.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| ULP32-8040/31 | 400 (37.2) | 10500 (39.7) | 99.5 | 31 |
| ULP32-8040-440 | 440 (40.9) | 12650 (47.9) | 99.3 | 28 |
| ULP32-8040 | 400 (37.2) | 10500 (39.7) | 99.5 | 28 |
| ULP22-8040 | 400 (37.2) | 12100 (45.8) | 99.0 | 28 |
| ULP31-4040 | 100 (9.3) | 2000 (7.6) | 99.6 | 28 |
| ULP21-4040 | 100 (9.3) | 2600 (9.8) | 99.5 | 28 |
| ULP21-4021 | 36 (3.3) | 950 (3.6) | 99.0 | 28 |
| ULP21-2540 | 30 (2.8) | 750 (2.8) | 99.0 | 28 |
| ULP21-2521 | 14 (1.3) | 300 (1.1) | 99.0 | 28 |
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Developed specifically for ultra-pure water production, with high TOC rejection and low TOC elution. The series meets the technical specification for certification of spiral-wound RO products for ultra-pure water in the semiconductor industry. LE440-UE offers a larger active area to cut the cost of production; PURO-UE is built for ultra-pure water recycling and resists fouling in heavily contaminated streams such as semiconductor cleaning wastewater.
Ultra-pure water preparation and recycling in semiconductor and pharmaceutical manufacturing.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| PURO-UE | 400 (37.2) | 11500 (43.5) | 99.6 | 34 |
| LE440-UE | 440 (40.9) | 12000 (45.4) | 99.3 | 28 |
| LE-8040UE | 400 (37.2) | 11500 (43.5) | 99.5 | 34 |
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Reinforced constructions tuned to specific duties, delivering higher output or greater fouling tolerance than a conventional element of the same pressure class.
ULP440-MAX and LP440-MAX raise permeate flow by 15 % and 20 % respectively while holding rejection. ULP400-LD adopts the LD 34 mil feed channel spacer, which increases turbulence at the membrane surface to reduce colloidal deposition and lengthen the interval between cleans.
Surface water, groundwater and municipal water below 2,000 ppm TDS — bottled and drinking water, boiler make-up, food processing and pharmaceutical manufacturing.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| ULP400-LD | 400 (37.2) | 10500 (39.7) | 99.5 | 34 (LD) |
| ULP440-MAX | 440 (40.9) | 12000 (45.4) | 99.5 | 28 |
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LP400-LD uses the LD 34 mil feed channel spacer to improve turbulence across the membrane surface, reducing the risk of colloidal fouling and the frequency of cleaning. LP440-MAX trades the LD spacer for a larger active area and higher output.
Brackish water, surface water, groundwater and municipal water below 10,000 ppm TDS — bottled and drinking water, industrial pure water, high-purity water, boiler make-up, wastewater reuse, material concentration and refining.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| LP400-LD | 400 (37.2) | 10500 (39.7) | 99.7 | 34 (LD) |
| LP440-MAX | 440 (40.9) | 12500 (47.3) | 99.7 | 28 |
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PURO-I resists pollution and withstands a wider range of chemical cleaning agents, owing to increased cross-link density in the polyamide desalination layer. PURO-II adds a redesigned low-differential feed spacer for higher fouling resistance and greater cleaning endurance. PURO-FRLE is an ultra-low-pressure variant combining fouling resistance with low energy consumption, aimed at low-salinity industrial effluent such as electronics wastewater and surface water.
Complex feed sources below 10,000 ppm TDS — surface water, mining wastewater, municipal reclaimed water, industrial wastewater and brackish RO duty.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| PURO-I | 400 (37.2) | 10500 (39.7) | 99.75 | 34 |
| PURO-II | 400 (37.2) | 11500 (43.5) | 99.8 | 34 (LD) |
| PURO-III | 400 (37.2) | 10500 (39.7) | 99.75 | 34 |
| PURO-100 | 400 (37.2) | 11500 (43.5) | 99.8 | 34 |
| PURO-FRLE | 400 (37.2) | 10500 (39.7) | 99.6 | 34 (LD) |
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Highly cross-linked membrane technology for concentrated feed, with a 34 mil wide flow channel that lowers differential pressure and improves fouling resistance. BN100 covers 10–30 g/L TDS, BN200 covers 20–40 g/L — together filling the gap between conventional low-pressure and high-pressure membranes.
RO concentrate recovery, high-salinity wastewater treatment and brine volume reduction. BN200 extends to deep treatment duties such as high-salinity water recycling and near-zero discharge schemes.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| BN200 | 400 (37.2) | 10000 (37.9) | 99.7 | 34 |
| BN100 | 400 (37.2) | 10000 (37.9) | 99.5 | 34 |
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Selective separation for duties where full desalination is the wrong answer — including acid and alkali streams that would destroy a conventional element.
Holds stable separation performance in 20 % w/w sodium hydroxide, potassium hydroxide and other strong alkaline solutions. A patented combined membrane process pairs that chemical resistance with high permeate flow.
Feed streams across pH 5–14, including extreme solutions that cannot meaningfully be characterised by pH alone.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| Alkalistab NF-8040 | 350 (32.6) | 3600 (13.6) | 97 | Customisable |
| Alkalistab NF-4040 | 83 (7.7) | 800 (3.0) | 97 | Customisable |
| Alkalistab NF-2540 | 24 (2.2) | 190 (0.72) | 97 | Customisable |
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Separates metal ions and inorganic salts from acid solutions so the acid itself can be permeated and recovered. Operates in 20 % w/w hydrochloric, nitric and sulphuric acid, with a molecular weight cut-off around 200 Da.
Titanium dioxide production, surface finishing and ore smelting.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| Acidstab NF-8040 | 350 (32.5) | 3700 (14.0) | 97 | Customisable |
| Acidstab NF-4040 | 83 (7.7) | 900 (3.41) | 97 | Customisable |
| Acidstab NF-2540 | 25 (2.3) | 200 (0.76) | 97 | Customisable |
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A high-pressure nanofiltration element for purification, separation and concentration of highly concentrated brine, rated to operate at up to 80 bar.
Salt chemical, coal chemical, pharmaceutical and food industries.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| MASE-SL 80 | 370 (34.5) | 8200 (31.0) | 98 | — |
| MASE-CR 80 | 370 (34.5) | 9500 (35.9) | 95 | — |
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Retains organics, microbes, viruses and most divalent and higher-valence metal ions while allowing sodium, potassium, calcium and magnesium through to the permeate — softening selectively rather than stripping the water. LS removes organics while retaining most monovalent ions; MS raises monovalent rejection for mid-salinity raw water; HS rejects 80–85 % of chlorides for mid to high-salinity sources.
Municipal drinking water production. The series carries the Hygiene Permit for Products Related to Drinking Water Hygiene Safety, and uses the LD 34 mil low-differential feed spacer to improve fouling resistance while lowering energy consumption.
| Model | Active area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | TOC removal % |
|---|---|---|---|---|
| TAPU-LS | 400 (37.2) | 12000 (45.4) | 95 | 90 |
| TAPU-MS | 400 (37.2) | 9000 (34.1) | 95 | 90 |
| TAPU-HS | 400 (37.2) | 8000 (30.3) | 95 | 90 |
| TAPU4040-LS | 85 (7.9) | 2200 (8.3) | 95 | 90 |
| TAPU4040-MS | 85 (7.9) | 2000 (7.6) | 95 | 90 |
| TAPU4040-HS | 85 (7.9) | 1700 (6.4) | 95 | 90 |
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Vontron's introduction refers to this as the “Tapurim” series while every model is designated TAPU. Treated as one series here.
Staged concentration, volume reduction and salt separation for industrial wastewater — the four elements combine to build a complete ZLD train.
ZERO-FR10 is a fouling-resistant element for high-COD wastewater reclamation at 5,000–15,000 ppm TDS, built around a low pressure drop, long cleaning interval and high chemical cleaning tolerance. ZERO-HP70 is a high-pressure element for 15,000–35,000 ppm brine, with improved zeta potential and hydrophilicity over the seawater series it derives from. ZERO-UHP120 is an ultra-high-pressure element for 35,000–70,000 ppm brine, rated to 120 bar. ZERO-XS90 is a highly selective fouling-resistant nanofiltration element that separates sodium chloride from sodium sulphate for resource recovery.
Zero liquid discharge trains in chlor-alkali production, flue gas desulphurisation wastewater, and sulphate removal from dyeing wastewater. ZERO-UHP120 handles the concentration and volume reduction of high-salt discharge; ZERO-XS90 performs the selective salt split at 35,000–70,000 ppm.
| Model | Effective area ft² (m²) | Permeate flow GPD (m³/d) | Stable rejection % | Feed spacer mil |
|---|---|---|---|---|
| ZERO-FR10 | 400 (37.2) | 11500 (43.5) | 99.7 | 34 |
| ZERO-HP70 | 400 (37.2) | 8800 (33.3) | 99.75 | 34 |
| ZERO-UHP120 | 400 (37.2) | 7400 (28.0) | 99.7 | 34 † |
| ZERO-XS90 | 400 (37.2) | 8300 (31.4) | 99.0 | 34 |
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† Vontron's website lists a 34 mil spacer for ZERO-UHP120, while their ZERO series project literature states 28 mil for the same model. Confirm before quoting. ZERO-XS90 rejection is measured on magnesium sulphate, not sodium chloride.
Hollow fibre, flat sheet and spiral wound formats for pretreatment, reclamation and material separation.
Removes suspended solids, colloids and bacteria from solution. The standard workhorse for tap water purification, seawater desalination pretreatment and wastewater recycling.
Tap water purification, desalination pretreatment and wastewater reuse.
| Model | Active area ft² (m²) | Design flux LMH | Nominal aperture µm | Filament material | Manufacturing technique |
|---|---|---|---|---|---|
| VUF-2860 | 51 | 30–120 | 0.02 | PVDF | NIPS |
| VUF-2880 | 77 | 30–120 | 0.02 | PVDF | NIPS |
| VUF-2860T | 51 | 35–120 | 0.08 | PVDF | TIPS |
| VUF-2880T | 77 | 35–120 | 0.08 | PVDF | TIPS |
| VUF-i1066 | 50 | 40–200 | 0.02 | PES | NIPS |
| VUF-i1066X | 60 | 40–200 | 0.02 | PES | NIPS |
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Submerged hollow fibre modules removing suspended solids, colloids, microorganisms, macromolecular organics, bacteria and viruses — the separation stage of a membrane bioreactor.
Standardised treatment and reuse of municipal and industrial wastewater.
| Model | Active area ft² (m²) | Design flux LMH | Nominal aperture µm | Filament material | Manufacturing technique |
|---|---|---|---|---|---|
| VUF-ME34 | 34.4 | 5–30 | 0.3 | PVDF + PET | NIPS |
| VUF-ME40 | 40 | 5–30 | 0.3 | PVDF + PET | NIPS |
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A flat membrane element built from membrane sheet, channel netting and a spacer plate, with the permeate outlet at the top of the plate. Porous filtering sheet of 0.1 µm pore size is welded to both faces of the spacer plate.
Municipal sewage treatment, industrial sewage treatment and reclaimed water.
| Model | Coverage m² | W × H × T mm | Weight kg | Pore size µm | Permeate flow L/day | Aeration L/min | pH range | Effluent turbidity NTU | Effluent SS mg/L |
|---|---|---|---|---|---|---|---|---|---|
| VMR88 | 0.88 | 490 × 1000 × 7 | 2.34 | 0.1 | 350–520 | ≥8 | 3–12 | <1.0 | ≤1 |
| VMR160 | 1.6 | 515 × 1750 × 7 | 3.73 | 0.1 | 640–960 | ≥8 | 3–12 | <1.0 | ≤1 |
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Permeate flow and aeration figures are per membrane per day as published by the manufacturer.
Spiral-wound polyethersulfone elements with high heat resistance, chemical stability, uniform pore size and accurate molecular weight cut-off. Rotary welding gives low fluid resistance and high mechanical durability.
Removes proteins, viruses, macromolecular organics, pigments and polysaccharides while passing inorganic salts, micromolecular pigments and monosaccharides — used for decolorisation, purification, separation and concentration. Applied in electronic ultrapure water, drinking water, municipal and industrial water, RO pretreatment, and material separation in biochemical, pharmaceutical and food processing. Molecular weight cut-off available at 4k, 6k, 8k, 10k, 20k and 67k Da, with feed spacers of 31, 46 and 90 mil, in fibreglass or sanitary-grade housing.
| Model | Active area ft² (m²) | Permeate flow GPD (m³/d) | Test solution |
|---|---|---|---|
| VUF8040-4K/31F | 400 (37.2) | 6000 (22.7) | PEG 4000 |
| VUF8040-6K/31F | 400 (37.2) | 6500 (24.6) | PEG 6000 |
| VUF8040-8K/31F | 400 (37.2) | 9500 (35.9) | PEG 8000 |
| VUF8040-10K/31F | 400 (37.2) | 7000 (26.5) | PEG 10000 |
| VUF8040-20K/31F | 400 (37.2) | 10500 (39.7) | PEG 20000 |
| VUF8040-67K/31F | 400 (37.2) | 25000 (94.6) | BSA |
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Residential elements for domestic purifiers, mineralised direct-drinking machines, and laboratory or clinical point-of-use systems.
Designed for feed water carrying oxidant substances and high microbial load, operating at extra-low pressure. Suitable for residential, hospital and laboratory purifying equipment.
Domestic and light commercial point-of-use purification. All figures measured at 250 ppm NaCl.
| Model | Permeate flow GPD (m³/d) | Rejection % | Min. rejection % | Test pressure psi (MPa) | Recovery % |
|---|---|---|---|---|---|
| HT3-1812-80 | 80 (0.30) | 98.5 | 97.5 | 60 (0.41) | 15 |
| HT3-2012-100 | 100 (0.38) | 98 | 97 | 60 (0.41) | 15 |
| HT3-2012-150 | 150 (0.56) | 98 | 97 | 60 (0.41) | 15 |
| M80 | 80 (0.30) | 98 | 96 | 80 (0.55) | 15 |
| M100 | 100 (0.38) | 98.5 | 96.5 | 80 (0.55) | 15 |
| ULP1810-75 | 75 (0.28) | 98 | 96 | 60 (0.41) | 15 |
| ULP2010-80 | 80 (0.30) | 98 | 96 | 60 (0.41) | 15 |
| ULP2010-100 | 100 (0.38) | 98 | 96 | 60 (0.41) | 15 |
| ULP1812-50 | 50 (0.19) | 99 | 97 | 60 (0.41) | 15 |
| ULP1812-75 | 75 (0.28) | 98 | 96 | 60 (0.41) | 15 |
| ULP2012-100 | 100 (0.38) | 99 | 97 | 60 (0.41) | 15 |
| ULP2012-125 | 125 (0.48) | 99 | 97 | 60 (0.41) | 15 |
| ULP2812-200 | 200 (0.76) | 98.5 | 96.5 | 100 (0.69) | 15 |
| ULP3012-300 | 300 (1.13) | 98.5 | 96.5 | 100 (0.69) | 15 |
| ULP3012-400 | 400 (1.51) | 98.5 | 96.5 | 100 (0.69) | 40 |
| ULP3012-500 | 500 (1.89) | 98 | 96 | 100 (0.69) | 40 |
| ULP3012-600 | 600 (2.27) | 98 | 96 | 100 (0.69) | 50 |
| ULP3012-800 | 800 (3.02) | 97 | 95 | 100 (0.69) | 50 |
| ULP3013-400 | 400 (1.51) | 98.5 | 97.5 | 100 (0.69) | 50 |
| ULP3013-500 | 500 (1.89) | 98 | 96 | 100 (0.69) | 40 |
| ULP3013-600 | 600 (2.27) | 98 | 96 | 100 (0.69) | 50 |
| ULP3013-800 | 800 (3.02) | 97 | 95 | 100 (0.69) | 50 |
| ULP3113-800 | 800 (3.02) | 98 | 96 | 100 (0.69) | 50 |
| ULP3113-1000 | 1000 (3.78) | 98 | 96 | 100 (0.69) | 50 |
| HOR2012-50 | 50 (0.19) | 98 | 96 | 60 (0.41) | 15 |
| HP1812-50 | 50 (0.19) | 99 | 98 | 60 (0.41) | 60 |
| HP1812-80 | 80 (0.30) | 99 | 98 | 60 (0.41) | 60 |
| HP2012-100 | 100 (0.38) | 98 | 97 | 60 (0.41) | 60 |
| HP3012-400 | 400 (1.51) | 98 | 97 | 100 (0.69) | 60 |
| HP3012-600 | 600 (2.27) | 98 | 97 | 100 (0.69) | 60 |
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The VNF nanofiltration element works at extra-low pressure for water purifying devices and mineralised drinking machines. Rejection is deliberately partial on sodium chloride and high on divalent salts, so beneficial minerals stay in the product water rather than being stripped out.
Domestic purifiers and mineralised direct-drinking machines.
| Model | Rejection % | Avg. permeate GPD (m³/d) | Test pressure psi (MPa) | Test solution | Recovery % |
|---|---|---|---|---|---|
| VNF-1812 | 30 ± 10 | 100 (0.38) | 60 (0.41) | 250 ppm NaCl | 15 |
| VNF-1812 | ≥ 85 | 100 (0.38) | 60 (0.41) | 250 ppm CaCl₂ | 15 |
| VNF-2012 | 30 ± 10 | 120 (0.45) | 60 (0.41) | 250 ppm NaCl | 15 |
| VNF-2012 | ≥ 85 | 120 (0.45) | 60 (0.41) | 250 ppm CaCl₂ | 15 |
| VNF-3012 | 30 ± 10 | 400 (1.51) | 60 (0.41) | 250 ppm NaCl | 15 |
| VNF-3012 | ≥ 85 | 400 (1.51) | 60 (0.41) | 250 ppm CaCl₂ | 15 |
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Figures are nominal values measured under Vontron's standard test conditions. Actual performance depends on feed composition, temperature, pressure and system recovery — we size against your water, not the test bench. Full datasheets for any model are available on request.
Highlights from Vontron's installed base — regional projects across Malaysia alongside manufacturer references with published operating data.
Twenty-five RO trains, each arranged 216 × 7 with 1,512 elements, designed for 870 m³/h at 45 % recovery. Commissioned September 2025.
One of the largest international seawater desalination projects independently designed by a Chinese enterprise, and a landmark scheme under the China–Algeria Belt and Road framework.
Eight RO trains on the pure water system at 75.2 m³/h and ≥ 90 % recovery, with a further six RO trains on wastewater reuse. Elements replaced July 2025.
Product water TOC fell from 5.98 ppb to 4.49 ppb after the changeover, with output reaching 1.39 m³/h per element.
Vontron delivered the RO and NF membrane section — process package design, equipment design and supply, installation and commissioning. Construction began June 2024.
Freshwater reuse across the system rose 9.4 % and lithium recovery improved 0.6 %.
Eight RO systems in the demineralised water workshop at 175 m³/h each, ≥ 80 % recovery and ≥ 97 % rejection, with elements also serving the reclaimed water and saline wastewater workshops.
Running since 2019 with permeate flow and rejection above the imported elements installed alongside them, reaching 99.1 % rejection.
Ten primary RO systems at 215 m³/h and ≥ 80 % recovery, plus three concentrate RO systems at 157.5 m³/h and ≥ 75 % recovery. Feed conductivity 200–450 µS/cm.
Complete changeover to Vontron elements in 2024, holding rejection consistently at or above 98 %.
Three ultrafiltration systems retrofitted with 6K spiral-wound UF elements in October 2023, serving one of China's ten largest beverage producers.
All operating parameters met the customer's requirement, with improved product water quality.
Phase I runs four primary seawater desalination trains at 160 m³/h each, against a specification of 99.3 % rejection in year one and 99 % at three years. Commissioned October 2023.
After 72 hours, feed at 40,600 µS/cm produced permeate at 193.5 µS/cm — 99.52 % rejection at 44 % recovery and 4.8 MPa.
Nanofiltration elements supplied for semiconductor process water.
Fouling-resistant elements at Kulim; 4-inch brackish water elements at Prai.
Fouling-resistant elements for a waste management and environmental services operation.
UE-series elements for ultra-pure water in semiconductor materials production.
Fouling-resistant elements supporting aluminium can manufacturing.
Fouling-resistant elements handling refinery process water.
Both reverse osmosis and ultrafiltration supplied across the site.
Fouling-resistant elements for an integrated paper and packaging manufacturer.
What changes between these duties is the pretreatment ahead of the membrane, the array configuration, and the cleaning regime behind it.
SW-class elements built for full-strength seawater, where operating pressure and boron rejection govern both energy cost and permeate quality.
Groundwater and surface water treated for potable distribution — removing dissolved salts, hardness and micropollutants, with nanofiltration where selective softening is the better answer.
Municipal effluent recovered into process-grade water. Fouling-resistant constructions matter most here, where organic and biological load on the membrane is highest.
High-pressure concentration paired with nanofiltration salt splitting, shrinking the brine volume reaching evaporators and turning recovered salts into saleable product.
UE-series RO and VUF ultrafiltration feeding electronics and semiconductor fabrication, power plant demineralisation and pharmaceutical production, where conductivity targets are tight and downtime is expensive.
Residential RO and nanofiltration elements for household purifiers and direct-drinking machines, where low operating pressure, water efficiency and mineral retention matter more than bulk throughput.
Brine, high-salinity and material separation duties — acid- and alkali-resistant nanofiltration recovering usable product from streams that would otherwise be a disposal problem.
Send us your feed water analysis, target output and recovery requirement, and we'll recommend the element and array arrangement to match.