Reverse osmosis membrane elements for municipal and industrial desalination.
Reverse Osmosis Membrane Elements
Reverse osmosis (RO) membrane elements are critical components in water treatment systems, designed to remove dissolved solids, organic compounds, and other impurities from various water sources. These spiral-wound elements are engineered for specific applications, offering high rejection rates and efficient water purification.
Understanding Spiral-Wound RO Elements
Spiral-wound RO elements are constructed from multiple membrane layers wound around a central permeate collection tube. This design maximizes membrane surface area within a compact form factor, facilitating efficient water flow and contaminant rejection.
AquaChain provides access to a comprehensive range of reverse osmosis membrane elements suitable for diverse water treatment needs, including tap water, brackish water, and seawater applications.
Tap Water RO Elements
Designed for lower salinity feedwaters, tap water RO elements typically operate at moderate feed pressures. They are commonly used for municipal water purification, commercial applications, and point-of-use systems where high-purity water is required. These elements offer excellent rejection of dissolved solids and can achieve high recovery rates with appropriate pretreatment.
Brackish Water RO Elements
Brackish water RO elements are engineered to treat feedwaters with higher dissolved solids concentrations than tap water, but less than seawater. They require higher feed pressures than tap water elements to overcome osmotic pressure. Common applications include industrial process water, water reuse, and municipal water supply in areas with elevated salinity. Effective pretreatment is crucial to mitigate fouling risks and ensure long-term performance and recovery.
Seawater RO Elements
Seawater RO elements are specifically designed for desalination, treating feedwaters with very high dissolved solids concentrations. These elements operate at significantly higher feed pressures compared to brackish or tap water elements to achieve efficient salt rejection. Seawater desalination is vital for providing potable water in coastal regions and for various industrial processes. Due to the challenging nature of seawater, robust pretreatment is essential to protect the membranes from scaling, fouling, and biological growth, thereby maximizing element lifespan and system recovery.
Applications of RO Membrane Elements
RO membrane elements are integral to a wide array of water treatment processes:
Municipal Water Treatment: Producing potable water from various sources.
Industrial Water Reuse: Treating wastewater for recycling in industrial processes, reducing fresh water consumption and discharge volumes.
Desalination Pretreatment: As a primary separation step in larger desalination plants, often preceding more advanced purification stages.
Ultrapure Water Production: For industries such as electronics, pharmaceuticals, and power generation.
Key Considerations for Element Selection
Selecting the appropriate RO membrane element involves evaluating several factors to ensure optimal system performance and cost-effectiveness:
Feed Water Quality: Salinity (TDS), temperature, pH, and presence of specific contaminants (e.g., silica, organics, heavy metals).
Required Permeate Quality: The desired purity level of the treated water.
System Operating Conditions: Target feed pressure, recovery rate, and flux.
Fouling Potential: The likelihood of membrane fouling from scaling, organic matter, colloidal particles, or biological growth. This directly influences the necessary pretreatment strategy.
Performance and Pretreatment Expectations
The performance characteristics of RO membrane elements, including specific flux, salt rejection, and recommended operating pressures, are certified and detailed in the respective Original Equipment Manufacturer (OEM) datasheets. These datasheets provide critical information for system design and operation.
Effective pretreatment is paramount for all RO systems, regardless of application. It protects the membranes from premature fouling and damage, ensuring stable operation, extended element lifespan, and consistent permeate quality. Pretreatment typically involves filtration (e.g., multimedia, cartridge filters), chemical dosing (e.g., antiscalants, biocides), and sometimes ultrafiltration or nanofiltration, tailored to the specific feed water characteristics and element type.
Indexed coverage:China-based brands 1 · International brands 24 · Total 25
China-based brands
Vontron Membranes
China-based
Brand profile
Vontron is a China-origin membrane manufacturer established in 1999, with a large R&D and production base and sales into more than 130 countries and regions. In RO/NF selection it is important as a domestic Chinese membrane platform for industrial, municipal, commercial, and compact equipment applications, especially where supply localization, cost-performance, and standard replacement availability matter. Vontron Membranes's position in RO/NF membranes and related equipment is defined by product families such as Water treatment industrial nanofiltration, Spiro wound ultrafiltration (8040 series), Low pressure industrial RO elements and Hollow fiber UF elements. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include VNF1 2540, VNF1 4040 and VNF1 8040. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Each brand card links to a brand profile with model profiles and datasheet entries.
DuPont-Filmtec Membranes
International
Brand profile
DuPont Water Solutions is a global water purification and separation portfolio built around recognized technologies such as FilmTec membranes, AmberLite resins, inge ultrafiltration, and related industrial separation materials. Its influence comes from breadth: the same corporate water platform is used in drinking water, desalination, industrial reuse, pharmaceutical and food processing, electronics ultrapure water, and selective purification. DuPont-Filmtec Membranes's position in RO/NF membranes and related equipment is defined by product families such as Brackish water RO elements 8", High Purity water RO elements 8", Brackish water Low Energy RO elements 2,5" and Low Energy Brackish water RO elements 8". The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include BW30-400/34, BW30-400/34i and BW30HR-440i. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Hydranautics is a Nitto Group membrane company with roots going back to 1963, reverse-osmosis membrane work beginning in 1970, and Nitto Denko ownership from 1987. In water-treatment procurement it is treated as a long-established membrane technology house, not just a model label: the brand is associated with RO, NF, UF, MF, and specialty membranes for desalination, reuse, high-purity water, and process separation. Hydranautics Membranes's position in RO/NF membranes and related equipment is defined by product families such as ESPA - Energy Saving RO elements, CPA - High rejection RO membranes, LFC - Low Fouling RO Elements and Spiral wound - Low Fouling. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include ESPA1, ESPA-2514 and ESPA-2521. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Toray is a Japanese materials group with a dedicated membrane business covering RO, NF, UF, MBR, and membrane-treatment chemicals. Its water portfolio matters because Toray participates across the main membrane formats used in modern desalination, reuse, ultrapure water, and industrial separation, giving engineers a broad benchmark for membrane chemistry, element construction, and long-term operating duty. Toray Membranes's position in RO/NF membranes and related equipment is defined by product families such as Brackish Water and Industrial Water RO Elements, Low Fouling Water RO Elements, Toray Ultra Pure Water RO Elements and Sea Water RO Elements. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include TM700D, TM720-370 and TM720-400. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Veolia Water Technologies & Solutions combines equipment, chemicals, analytics, engineering, and water-management services that were shaped by the former SUEZ Water Technologies platform. For product selection, Veolia/SUEZ records should be read as plant-scale water-technology lines where component performance, controls, serviceability, and lifecycle support must be assessed together. SUEZ / Veolia Legacy Membrane Lines's position in RO/NF membranes and related equipment is defined by product families such as Ultrafiltration and High temperature pure water elements. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Aquasource Z-XS, Pure HiTemp HTN and AG Series standard. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Veolia Water Technologies & Solutions combines equipment, chemicals, analytics, engineering, and water-management services that were shaped by the former SUEZ Water Technologies platform. For product selection, Veolia/SUEZ records should be read as plant-scale water-technology lines where component performance, controls, serviceability, and lifecycle support must be assessed together. Veolia Water Technologies Membranes's position in RO/NF membranes and related equipment is defined by product families such as Standard brackish water RO elements, High rejection brackish water RO elements, High rejection low fouling brackish water RO element and Pure Water. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include AG Series standard, AG FR series and AG HR series. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Koch Membrane Systems / Fluid Systems is now best understood through Kovalus Separation Solutions. Fluid Systems is a pioneer of spiral membrane technology and notes that Koch Membrane Systems acquired Fluid Systems in 1998, so these records are important for legacy RO/NF elements, spiral-wound technology, and industrial process separations. Koch Membrane Systems / Fluid Systems™'s position in RO/NF membranes and related equipment is defined by product families such as Sea Water RO Elements, Brackish Water Elements, Cellulose Acetate Elements and Ultrafiltration Cartridges / Hollow Fiber. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include TFC-4040-SW 4" High Rejection, TFC-18061-SW-3050 High Rejection and TFC-4040-HF 4" High Rejection, High Flow. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
CSM is a Korea-origin membrane brand now associated with Toray Advanced Materials Korea, with a product scope that includes RO, NF, UF, MF, and ion exchange membrane technologies. It is useful where engineers compare Asian membrane supply options for potable water, industrial water, brackish-water desalination, seawater service, and compact commercial equipment. CSM Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include CSM RE2521-BE, CSM RE2521-BN and CSM RE2540-BE. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
DuPont Water Solutions is a global water purification and separation portfolio built around recognized technologies such as FilmTec membranes, AmberLite resins, inge ultrafiltration, and related industrial separation materials. Its influence comes from breadth: the same corporate water platform is used in drinking water, desalination, industrial reuse, pharmaceutical and food processing, electronics ultrapure water, and selective purification. DuPont inge Ultrafiltration Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Ultrafiltration Modules dizzer® P, Ultrafiltration Modules dizzer® XL and T-Rack® vario. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Parker water purification and filtration records belong to Parker Hannifin's broader motion, control, bioscience, and filtration portfolio. In this catalog, Parker is relevant for watermakers, desalination support, RO components, cartridge filtration, and industrial water purification where component availability and industrial distribution matter. Parker Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Parker Product Selector, Parker AF Cartridge and Parker AF Plus Cartridge. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Ropur membrane records are best read in the Toray Membrane Europe context: Toray's traces its RO/NF spiral-wound membrane development to 1968 and describes a portfolio that spans polyamide composite RO/NF membranes, UF, MBR modules, and membrane-related products for desalination, reuse, purification, and process separation. In this catalog, the Ropur membrane entries represent compact brackish-water, seawater, nanofiltration, and heat-sanitizable element families where operating pressure, salt rejection, size, and application duty define the first screening step. Ropur Membranes's position in RO/NF membranes and related equipment is defined by product families such as Brackish Water Membranes, Sea Water Membranes, Nanofiltration and Hot Sanitizable Elements. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include TRH-2514, TRH-2521 and TRH-2540. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
TriSep is now presented through MANN+HUMMEL water and membrane solutions as a customizable specialty membrane product line for RO, NF, UF, and MF designs. It is relevant when standard elements do not fit the duty and engineers need to specify element size, outer wrap, permeate tube, feed spacer, membrane type, high-temperature or high-pressure service, and private-label options. TriSep Membranes's position in RO/NF membranes and related equipment is defined by product families such as Low Fouling X-20 Elements, Cellulose Acetate Elements, High Performance ACM Elements and Low Pressure ACM Elements. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Trisep X-20, 4040-SB20-TSA and 4040-SB50-TSA. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
AXEON Water is a water-treatment systems and component supplier with a long membrane-filtration systems history, covering tap-water, brackish-water, seawater, ultrapure, packaged, mobile, and containerized RO/UF systems. It is relevant where the user is selecting not only a membrane element but a commercial or industrial water-treatment package. Axeon Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include General, FSD Filters and FSI Bag Filters. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Millipore is now part of Merck / Sigma-Aldrich life-science filtration, with membrane filters used in laboratory, analytical, biopharma, and process-support applications. In AquaChain pages, Millipore records should be read as precision filtration and lab/process membrane products rather than municipal RO plant hardware. Millipore Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Product. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
LANXESS Liquid Purification Technologies is a major purification-materials platform built around Lewatit ion exchange resins and related products for water treatment, ultrapure water, energy, semiconductor, food, chemical, mining, and metallurgical applications. LewaBrane membrane records should be read in that broader liquid-purification context. LewaBrane Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include LewaBrane RO B370 HR, LewaBrane RO B400 HR and LewaBrane RO B440 HR. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Pentair is a broad water equipment group whose water-treatment brands include control valves, softening components, filter housings and cartridges, pumps, membrane housings, and X-Flow membrane modules. Its influence comes from installed-base breadth: many residential, commercial, industrial, and packaged water systems are designed around Pentair components, so selection often depends on service parts, controls, and compatibility as much as on the individual product rating. Pentair RO Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include 40845 Structural Polyglass Vessels, 40846 Structural Composite Vessels and Composite Vessel 42575. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
MICRODYN-NADIR is a historic membrane business within the MANN+HUMMEL water and fluid-solutions lineage; MANN+HUMMEL stated in 2021 that the MICRODYN-NADIR business segment became MANN+HUMMEL Water & Fluid Solutions. Its technical influence is in process membranes, flat sheets, spiral-wound elements, capillary and hollow-fiber modules, and MBR products for water, wastewater, and industrial process separation. MICRODYN-NADIR Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Spira-Cel OY-NP-4040 Series, Spira-Cel D OX NP 4040 and Nadir NP010 P. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Oltremare is a MANN+HUMMEL RO membrane product line covering low-pressure compact and XL elements, brackish-water, seawater, and low-fouling elements. It is relevant where light industrial, domestic, brackish, marine, and challenging feed applications require compact spiral-wound membrane families with defined replacement sizes. OLTREMARE's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include AsHR-2540, AsHR-4040 and AsHR-8040. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
LG Water Solutions, now transitioning its water business identity toward NanoH2O, is known for RO elements built around thin-film nanocomposite membrane technology. The brand is influential in desalination and industrial membrane selection because it emphasizes higher flux, salt rejection, and energy efficiency at the element level, especially for brackish-water and seawater duties. LG / NanoH2O RO Elements's position in RO/NF membranes and related equipment is defined by product families such as Principles of Thin-Film Nanocomposite Membranes. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include LG BW 400 AFR G2, LG BW 400 R G2 and LG BW 440 R G2. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
MICRODYN-NADIR is a historic membrane business within the MANN+HUMMEL water and fluid-solutions lineage; MANN+HUMMEL stated in 2021 that the MICRODYN-NADIR business segment became MANN+HUMMEL Water & Fluid Solutions. Its technical influence is in process membranes, flat sheets, spiral-wound elements, capillary and hollow-fiber modules, and MBR products for water, wastewater, and industrial process separation. MANN+HUMMEL Membranes and Water Treatment's position in RO/NF membranes and related equipment is defined by product families such as Aquadyn, TurboClean High Purity, BioCel and Maxidyn. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include UA420-BT, UA640 and UA660. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Membranium is the membrane trademark of JSC RM Nanotech, described publicly as a Russian producer of nanostructured membrane flat sheet and membrane elements for RO, NF, and UF. It is relevant where engineers compare regional membrane supply, brackish and seawater RO, NF/UF elements, and domestic manufacturing claims. Membranium's position in RO/NF membranes and related equipment is defined by product families such as Reverse Osmose Membrane Elements for Brackish Water, Reverse Osmose Membrane Elements for Seawater, Nanofiltration Membrane Elements for Brackish Water and Ultrafiltration Membrane Elements for Ground and Artesian Water. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include K 4040-C, K 8040-C and KC 4040-C. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Porex is a porous polymer and membrane-solutions business within Filtration Group, with more than 60 years of material-science experience and a global manufacturing network. Its products are relevant where filtration, venting, absorption, tubular filtration modules, and custom porous materials matter more than standard RO element selection. Porex Membranes's position in RO/NF membranes and related equipment is defined by product families such as Porex TMF Tubular Filtratio Modules. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Porex general cataloque, PXF TMF 13-37 and PXF TMF 13. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Synder Filtration is a U.S. membrane specialist with a membrane-industry history as both buyer and supplier since 1989. Its spiral-wound MF, UF, and NF products are relevant for food and beverage, biotech, industrial process, wastewater, and specialty separations where flux, rejection, cleaning, and custom membrane selection matter. Synder Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO Pre-Treatment, Super-CELL, Tubular Tech-CELL and Tech-CELL CMS. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include RO Pre-Treatment, Super-CELL and Tubular Tech-CELL. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Akkim Water Solutions is the membrane product line of Turkish chemicals company Akkim, with hollow-fiber PVDF ultrafiltration modules developed through a long R&D program and launched commercially in 2015. It is relevant for UF pretreatment, compact modules, and regional membrane supply in industrial and municipal water projects. Akkim Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include ACM-10 TDS, ACM-20 TDS and AGM TDS. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
Aquaporin is a Danish biomimetic membrane company built around Aquaporin Inside technology, inspired by natural water-channel proteins. Its records are relevant where forward osmosis, specialty RO, low-energy separation, concentration of sensitive liquids, or biomimetic membrane differentiation are more important than commodity spiral-wound replacement. Aquaporin-Inside Membranes's position in RO/NF membranes and related equipment is defined by product families such as RO, NF, UF-adjacent membrane elements, membrane contactors, pressure vessels, housings, and related separation products. The portfolio is best understood inside brackish water, seawater desalination, ultrapure water, process separation, reuse, degassing, and membrane system packaging, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models. Representative series on this page include Aquaporin-Inside Clear Plus 4040, 4040 XL, Aquaporin-Inside Clear Plus 8040 and Aquaporin-Inside Clear Ultra 4040, 4040 XL. Engineers should compare element size, salt rejection, permeate flow, pressure rating, fouling resistance, connection type, and vessel fit. These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
