Pentair Aqualine Filter is a well‑known high‑flow pleated filtration system widely deployed in large‑capacity industrial water treatment and membrane pre‑treatment projects. It is commonly installed within horizontal FRP filter housings and matched with PFTM102UEPFA high flow filter cartridge, together with POV12UNPFA high flow filter cartridge to construct complete pretreatment workflows for seawater desalination, power plant boiler water make‑up and industrial water reuse. Pentair Aqualine Filter adopts cross‑linked gradient polypropylene pleated media, featuring large effective filtration area, low initial pressure drop and superior dirt‑holding capacity. It efficiently intercepts suspended solids, fine silt and colloidal impurities, delivering reliable pre‑protection for expensive reverse osmosis and ultrafiltration membrane components against particle abrasion and premature fouling. Equipped with single open‑end flow path, integrated molded handle and single O‑ring sealing design, this filter series supports tool‑free rapid cartridge replacement, greatly reducing equipment downtime and daily maintenance costs for global industrial water‑treatment sites.
Pentair Aqualine Filter Industrial High‑Flow Pleated Filtration Solution
Pentair Aqualine Filter is a well‑known high‑flow pleated filtration system widely deployed in large‑capacity industrial water treatment and membrane pre‑treatment projects. It is commonly installed within horizontal FRP filter housings and matched with PFTM102UEPFA high flow filter cartridge, together with POV12UNPFA high flow filter cartridge to construct complete pretreatment workflows for seawater desalination, power plant boiler water make‑up and industrial water reuse. Pentair Aqualine Filter adopts cross‑linked gradient polypropylene pleated media, featuring large effective filtration area, low initial pressure drop and superior dirt‑holding capacity. It efficiently intercepts suspended solids, fine silt and colloidal impurities, delivering reliable pre‑protection for expensive reverse osmosis and ultrafiltration membrane components against particle abrasion and premature fouling. Equipped with single open‑end flow path, integrated molded handle and single O‑ring sealing design, this filter series supports tool‑free rapid cartridge replacement, greatly reducing equipment downtime and daily maintenance costs for global industrial water‑treatment sites.
Product Description
Pentair Aqualine Filter covers the whole high‑flow filtration assembly including filter housings and corresponding pleated filter cartridges. The most representative cartridge models are ALN01‑60B, ALN05‑60B, ALN10‑60B and ALN20‑60B, with standard cartridge dimension of 60‑inch length and 6.75‑inch outer diameter, single open‑end structure designed for heavy‑duty high‑flow working conditions.
The Aqualine filter cartridge adopts full polypropylene construction, composed of reinforced inner‑outer support cages, cross‑linked gradient pleated polypropylene media, injection‑molded reinforced end caps, rigid PVC central core and high‑elasticity O‑ring gaskets. All connection joints are processed by thermal fusion welding without adhesive, completely avoiding secondary fluid contamination caused by glue dissolution. Deep‑pleated structural design maximizes effective filtration area per cartridge, achieving outstanding single‑element flux and decreasing the total number of cartridges required by the system. Multiple micron ratings ranging from 1 μm to 90 μm can satisfy different raw‑water pretreatment requirements.
The supporting Aqualine‑style FRP horizontal filter housing is specially optimized for this series of large‑diameter cartridges, allowing multiple cartridges to be installed in parallel to cope with large water‑volume conditions. Cooperated with upstream multimedia filtration and activated carbon treatment, Pentair Aqualine Filter can stably control feed‑water SDI value below 5, meeting strict inlet water standards of seawater and brackish‑water reverse osmosis systems. It is widely used in seawater desalination pretreatment, boiler makeup‑water filtration, petrochemical process‑liquid purification, electronic ultrapure‑water production and industrial wastewater recycling. Engineering contractors and end‑users choose Pentair Aqualine Filter for new water‑treatment skid projects and regular spare‑part updating.
Working Principle
Pentair Aqualine Filter follows outside‑in cross‑flow microfiltration principle. Untreated raw water flows into the sealed FRP filter housing and evenly distributes to the outer surface of pleated filter cartridges. Large‑particle 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.
After depth filtration, clean filtrate penetrates filter media, converges inside the rigid PVC central core and flows out to downstream RO or UF membrane systems. The outer‑coarse‑inner‑fine gradient structure improves dirt‑holding capacity and slows differential‑pressure rising speed. With continuous system operation, intercepted pollutants accumulate gradually. Operators should replace filter cartridges timely when inlet‑outlet differential pressure reaches 25‑30 PSID threshold, so as to restore rated water throughput and filtration performance.
All‑polypropylene material has good chemical compatibility, adapting to most neutral aqueous solutions and conventional acid‑base cleaning agents for housing maintenance. Reinforced inner‑outer support cages effectively resist deformation under high‑speed water‑flow impact and prevent fluid bypass, ensuring stable particle‑removal efficiency in the whole service cycle. Standard continuous operating temperature of Aqualine filter cartridges is 54.4 °C (130 °F).
Technical Features
Complete matching solution:
FRP horizontal filter housing plus multi‑spec large‑diameter cartridges, 60‑inch main size, micron grades from 1 μm to 90 μm.
Cross‑linked gradient polypropylene pleated media, greatly improving dirt‑holding capacity and extending cartridge service life.
Outside‑in single open‑end flow design, isolating captured contaminants and preventing impurity leakage to downstream pipelines.
Full thermal‑fusion‑welded cartridge structure without adhesive, eliminating hidden risk of secondary fluid pollution.
Optimized fluid channel realizes low initial pressure drop, reducing energy consumption of feed pumps and high‑pressure pumps.
Reinforced PP inner‑outer cages and rigid PVC central core, anti‑deformation under high‑velocity water‑flow impact.
Integral molded‑handle design, supporting tool‑free quick disassembly and on‑site replacement.
Multiple sealing elastomer options including Buna‑N, EPDM, silicone and fluororubber for diverse water‑quality and temperature conditions.
Product Advantages
1. High single‑cartridge flow capacity:
reduce total cartridge quantity and filter‑housing investment, saving installation space for large‑scale water‑treatment plants.
2. Stable filtration performance:
cross‑linked locked‑pore media keeps consistent particle‑removal efficiency during long‑time continuous operation.
3. Long service interval:
excellent contaminant‑holding capability lowers replacement frequency and cuts manual maintenance workload.
Corrosion‑resistant all‑polypropylene material, applicable for seawater, brackish water, process liquid and industrial circulating‑water filtration.
4. Convenient maintenance:
quick‑change cartridge design shortens system downtime during spare‑part renewal.
Broad chemical adaptability, suitable for most neutral and moderate acid‑alkali industrial water‑treatment environments.
Reliable single O‑ring sealing performance, effectively avoiding unfiltered fluid bypass inside filter housing.
High interchangeability, replacement cartridges can be directly installed in original Pentair Aqualine filter housings without modification.
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 industry:
purification of chemical process liquid to protect high‑value membrane separation equipment.
4. Electronic manufacturing:
pretreatment for ultrapure‑water production in semiconductor workshops.
5. Food & beverage industry:
process‑water filtration and raw‑material extract purification.
6. Industrial wastewater recycling:
advanced filtration after biochemical treatment for industrial water resource recovery.
7. Municipal engineering:
coastal‑island water supply, surface‑water purification and reclaimed‑water‑treatment projects.
FAQ
Q1: What main components does Pentair Aqualine Filter consist of?
A1: Pentair Aqualine Filter includes FRP horizontal filter housing and series high‑flow pleated filter cartridges, mainstream cartridge models are ALN01‑60B, ALN05‑60B, ALN10‑60B, ALN20‑60B.
Q2: Can Aqualine filter cartridges be cleaned and reused after fouling?
A2: Aqualine pleated polypropylene cartridges are disposable filter elements. Heavy contamination cannot be fully recovered by chemical cleaning. Replace cartridges when differential pressure reaches 25‑30 PSID.
Q3: What is the maximum continuous operating temperature for standard Pentair Aqualine Filter cartridges?
A3: Standard cartridges support continuous working temperature up to 54.4 °C (130 °F). Custom high‑temperature‑resistant versions are available for special working conditions.
Q4: What feed‑water conditions are recommended when using Pentair Aqualine Filter for RO security filtration?
A4: Feed‑water SDI ≤5 is recommended; free chlorine and strong oxidants should be removed to avoid oxidation damage to polypropylene media.
Q5: Do aftermarket replacement cartridges fit original Pentair Aqualine filter housings?
A5: Yes. Dimension, end‑cap structure and O‑ring position are fully matched, supporting direct plug‑and‑play installation without housing modification.
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