Pentair Aqualine Water Filter High‑Flow Industrial Pleated Cartridge Series

Pentair Aqualine Water Filter is a complete high‑flow pleated cartridge filter series developed for heavy‑duty industrial water pretreatment and membrane security filtration. Widely matched with FRP horizontal filter housings, it is often assembled together with PFTM1060UHFH13 high flow filter cartridge, and forms a reliable pre‑treatment chain with PFTM11UNF high flow filter cartridge for seawater desalination and industrial wastewater reuse projects. Pentair Aqualine Water Filter adopts proprietary cross‑linked PolyForm polypropylene pleated media, delivering large effective filtration area, low initial pressure drop and excellent dirt‑holding capacity. It effectively removes suspended solids, fine sediment and colloidal contaminants, providing essential particle protection for downstream reverse osmosis and ultrafiltration membrane components. Featuring single open‑end outside‑in flow path, integrated molded handle and single O‑ring sealing design, this filter series enables tool‑free fast replacement, minimizing system downtime and maintenance expenditure for power plants, petrochemical sites, electronic factories and coastal desalination facilities across global markets.

Product Description

Pentair Aqualine Water Filter stands for Pentair’s well‑known high‑flow filtration portfolio, consisting of mainstream models ALN01‑60B, ALN05‑60B, ALN10‑60B and ALN20‑60B. Standard dimension is 60‑inch length with 6.75‑inch outer diameter, single open‑end configuration optimized for high‑capacity industrial liquid treatment. The whole cartridge is built with full polypropylene construction, including reinforced inner‑outer support cages, cross‑linked gradient pleated polypropylene media, injection‑molded reinforced end caps, rigid PVC central core and elastic O‑ring sealing gaskets. All joints adopt thermal fusion welding without adhesive, eliminating risks of glue dissolution and secondary fluid contamination.

This series uses mature outside‑in flow configuration. Multiple nominal micron ratings ranging from 1 μm to 90 μm are available to satisfy different security filtration requirements ahead of membrane separation equipment. Unique deep‑pleated layout greatly expands effective filtration area, achieving remarkable single‑element flow performance compared with conventional small‑diameter wound filter cartridges. It can reliably capture fine particles escaping multimedia filtration and activated carbon treatment, stably keeping feed‑water SDI value below 5 to meet strict inlet specifications of seawater reverse osmosis systems.

Built‑in integral molded handle simplifies on‑site extraction without extra auxiliary fixtures. Multiple Aqualine cartridges can be installed in parallel inside Pentair Aqualine‑style FRP filter housings, drastically cutting total cartridge quantity and reducing pretreatment equipment footprint. Pentair Aqualine Water Filter is extensively applied in seawater desalination pretreatment, boiler feed‑water filtration, petrochemical process‑liquid purification, electronic ultrapure‑water production and industrial reclaimed‑water reuse. System integrators and end‑users select this filter series both for new skid‑mounted water‑treatment projects and routine spare‑part renewal.

Working Principle

Pentair Aqualine Water Filter operates based on outside‑in cross‑flow microfiltration mechanism. Untreated raw water enters the closed FRP filter housing and flows evenly toward the outer surface of pleated filter media. Large‑size sediment, suspended flocs and coarse impurities are trapped on the outer pleated layers, while tiny colloids and fine particles are intercepted layer‑by‑layer through gradient inner polypropylene media. Purified filtrate penetrates media layers, converges inside rigid PVC central core and flows out toward downstream RO or UF membrane systems.

Gradient layered media realizes outer‑coarse‑inner‑fine depth filtration, improving dirt‑holding capacity and slowing differential‑pressure rising speed. As intercepted pollutants keep accumulating during continuous operation, inlet‑outlet differential pressure rises gradually. Operators should replace the Aqualine filter cartridge once differential pressure reaches 25‑30 PSID threshold to restore rated system throughput.

All‑polypropylene material provides good chemical compatibility, compatible with neutral aqueous liquid and routine acid‑base cleaning solutions for housing maintenance. Reinforced inner‑outer support cages prevent media deformation under high‑speed water‑flow impact, avoid fluid bypass and guarantee stable particle‑removal efficiency throughout service life. Standard maximum continuous operating temperature reaches 54.4 °C (130 °F), and customized high‑temperature versions can support up to 82.2 °F for special working conditions.

Technical Features

• Complete Aqualine series specifications:

• mainstream 60‑inch ×6.75‑inch size, multiple micron grades from 1 μm‑90 μm, fully compatible with Pentair Aqualine FRP filter housings.

• Proprietary cross‑linked PolyForm gradient polypropylene pleated media, enhancing dirt‑holding capacity and extending service cycles.

• Outside‑in single open‑end flow structure, isolating trapped contaminants and preventing impurity leakage to downstream membrane pipelines.

• Integrated thermal‑welding manufacturing without adhesive, eliminating secondary fluid‑pollution risks.

• Optimized low‑pressure‑drop fluid channel, reducing long‑term energy consumption of feed pumps and high‑pressure pumps.

• Reinforced PP support cages plus rigid PVC core, resisting deformation under high‑velocity water‑flow impact.

• Integral molded‑handle design, supporting tool‑free quick disassembly and on‑site replacement.

• Multiple sealing material options: Buna‑N, EPDM, silicone and fluororubber for diverse water quality and temperature conditions.

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• Product Advantages

• 1. Ultra‑high single‑cartridge flow capacity:

• reduce total cartridge count and filter‑housing investment, save installation space for large‑scale water‑treatment plants.

• 2. Reliable filtration stability:

• locked‑pore cross‑linked media ensures consistent particle‑removal efficiency in long‑term continuous running.

• 3. Long service interval:

• outstanding contaminant‑holding capacity lowers replacement frequency and cuts manual maintenance workload.

• Corrosion‑resistant all‑polypropylene material, suitable for seawater, brackish water, process liquid and industrial circulating‑water filtration scenarios.

• Quick‑change structural design with molded handle, greatly shortening system downtime during cartridge renewal.

• Broad chemical adaptability, fits most neutral and moderate acid‑alkali industrial water‑treatment working conditions.

• Stable single O‑ring sealing performance, effectively preventing unfiltered fluid bypass inside filter housings.

• Full interchangeability with original Pentair Aqualine series, convenient for global spare‑part procurement and inventory management.

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• Application Fields

• 1. Industrial water treatment:

• security pre‑filtration for seawater desalination, brackish‑water reverse osmosis and ultrafiltration pretreatment systems.

• 2. Power‑plant industry:

• impurity removal for boiler makeup‑water and circulating cooling‑water.

• 3. Petrochemical engineering:

• process‑liquid purification to protect precision membrane separation equipment.

• 4. Electronic manufacturing:

• pretreatment for semiconductor ultrapure‑water production workshops.

• 5. Food & beverage industry:

• process‑water filtration and raw‑material extract purification.

• 6. Industrial wastewater recycling:

• advanced filtration after biochemical treatment for water resource recovery.

• 7. Municipal engineering:

• coastal‑island water‑supply, surface‑water purification and reclaimed‑water‑treatment projects.

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• FAQ

Q1: What are the typical models within Pentair Aqualine Water Filter series?

A1: Mainstream part numbers include ALN01‑60B (1 μm), ALN05‑60B (5 μm), ALN10‑60B (10 μm), ALN20‑60B (20 μm). Different micron ratings can be selected according to raw‑water quality and membrane system requirements.

Q2: Can Pentair Aqualine Water Filter cartridge be cleaned and reused after fouling?

A2: Pentair Aqualine pleated polypropylene cartridges belong to disposable filter elements. Conventional chemical cleaning cannot fully restore flux after heavy contamination. Replace cartridge when differential pressure exceeds 25‑30 PSID alarm threshold.

Q3: What is the standard continuous operating temperature for Pentair Aqualine Water Filter?

A3: Standard polypropylene Aqualine cartridges support continuous working temperature up to 54.4 °C (130 °F). Custom high‑temperature‑resistant versions are available for special‑condition projects.

Q4: What feed‑water operating conditions are recommended for Aqualine cartridges used for RO security filtration?

A4: It is suggested to maintain feed‑water SDI ≤ 5, remove free chlorine and strong oxidants to avoid polypropylene media oxidation damage, and keep water temperature within standard operating range.

Q5: Are aftermarket replacement cartridges fully interchangeable with original Pentair Aqualine filter housings?

A5: Yes. Dimension, end‑cap structure, O‑ring position and installation interface keep consistent with original Aqualine series, supporting direct plug‑and‑play installation without housing modification.

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