Parker’s Fulflo® Mega‑Flow™ Plus Cartridge for UF Pretreatment
Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge is a heavy‑duty consumable built for industrial ultrafiltration pretreatment systems. This liquid filter utilizes optimized large‑diameter pleated geometry to deliver outstanding single‑element throughput and stable particle retention for demanding water‑treatment projects. It can work alongside POV102UNPFA high flow filter cartridge and PFTM1060UHFH1 high flow filter cartridge to capture silt, suspended solids and colloidal contaminants, providing robust upstream protection for downstream ultrafiltration membrane assemblies. This filter cartridge stabilizes feed‑water quality and may help facility operators mitigate ultrafiltration membrane fouling risks.
Product Introduction
Consistent operating performance of ultrafiltration membrane modules heavily depends on feed‑water pretreatment quality, and Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge serves as a high‑performance original‑spec large‑diameter consumable for this critical pretreatment stage. Designed for high‑capacity water‑treatment environments, this pleated filter cartridge features an enlarged outer dimension to expand total filtration area, supporting remarkably high flow per single element. Its proprietary end‑cap interface fits matching Parker‑style high‑flow filter housings, enabling fast cartridge swap‑outs during routine on‑site maintenance. Thanks to superior single‑cartridge flow capacity, fewer filter elements are required to satisfy system flow demands for large‑scale water‑treatment plants.
In real‑world engineering deployment, system designers often pair this filter cartridge with Large Flow Micro Hole Folding Water Filter Element to construct multi‑stage pretreatment chains before raw‑water enters ultrafiltration membrane vessels. Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge adopts high‑purity virgin polypropylene filter media, delivering broad chemical compatibility for most neutral industrial water‑treatment scenarios. Thermal‑fusion welding joins filter media and end‑caps instead of liquid adhesive, lowering potential risks of glue leaching into process water. Within recommended pressure and temperature operating windows, filter media tends to minimize fiber shedding, which may reduce scratch and contamination hazards for high‑cost ultrafiltration membranes.
For EPC contractors, water‑plant operators and system integrators, this filter cartridge is suitable for both new‑build water‑treatment projects and spare‑part replenishment. When original brand lead times cannot satisfy project schedules, compatible replacement alternatives can be selected to maintain project progress. Its rational structural layout helps to cut overall system footprint and save installation space for water‑treatment skid assemblies.

Working Principle
Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge adopts radial pleated depth‑filtration mechanism. Raw water flows into filter housing and reaches outer pleated surfaces of the cartridge. Fluid travels radially from outer pleated layers toward the inner central core through multi‑layer polypropylene filter media. Solid particles, silt, iron‑oxide sediments, colloids and suspended impurities are trapped on filter‑media surface and within depth layers. Treated water flows out from central inner core and flows onward to downstream ultrafiltration equipment.
The large‑diameter radial pleated design maximizes usable filtration area under given housing dimensions. As the system keeps running, intercepted contaminants accumulate gradually and raise differential pressure across filter inlet and outlet. When differential pressure reaches recommended threshold, on‑site operation teams can perform filter‑replacement operations. This filtration solution relies purely on physical interception; no chemical additives are introduced into process water, so baseline water chemical properties will not experience major changes.
Within a complete ultrafiltration workflow, Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge acts as front‑line protective barrier for ultrafiltration membranes. It removes most coarse contaminants in advance, reduces pollutant load deposited on membrane surfaces and lowers particle‑induced scratch risks. When configuring pretreatment sequences, users may match this cartridge with High Flow Water Filter Element to implement multi‑stage graded filtration. Such configuration can further ease working burden for ultrafiltration modules and support longer continuous system‑running cycles.
Technical Parameters
| Item | Specification |
|---|
| Model | Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge |
| Filter Media | Polypropylene (PP), radial large‑diameter pleated structure |
| Nominal Micron Rating | 1‑20 μm (optional) |
| Common Length | 40 / 60 inch |
| Interface | Special end‑cap for Parker Fulflo® Mega‑Flow™ series high‑flow housing |
| Single Cartridge Max Flow Rate | Up to 112 m³/h (subject to raw‑water quality) |
| Maximum Operating Temperature | 60 ℃ |
| Max Suggested Differential Pressure | 3.4 bar |
| Chemical Compatibility | Suitable for most neutral aqueous solutions |
| Typical Application | Ultrafiltration pre‑filtration, RO security filtration |
Quality Assurance
Every Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge follows standardized manufacturing workflows and multi‑level quality checkpoints. Virgin‑grade polypropylene raw materials are adopted in production to sustain stable filter‑media performance. Multiple inspection procedures, including bubble‑point testing, pressure‑cycle evaluation and fiber‑shedding verification are completed for finished cartridges before shipment.
Thermal‑welding technology connects filter media and end‑caps, pursuing stable bonding performance under typical water‑treatment operating conditions. Strict dimensional inspection is performed to guarantee fitting compatibility with matched high‑flow filter housings. Batch‑wise production records are retained for traceability purposes.
Sample filter cartridges are tested under simulated industrial water‑treatment working conditions. Long‑time high‑flow cycle tests help assess structural stability in common application scenarios. Products comply with widely‑recognized industrial water‑treatment component standards. Properly selected and maintained filter elements may help reduce unplanned system downtime and deliver optimized operational costs for end‑users.

Application Fields
Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge is mainly applied for ultrafiltration system pre‑filtration protection, covering multiple industrial sectors:
Industrial Pure‑Water Production: Pre‑filtration for ultrafiltration units of electronics, food and beverage factories, intercepting silt and granular impurities to safeguard ultrafiltration membrane modules.
Municipal Water Reuse Project: Pretreatment for municipal reclaimed‑water ultrafiltration processes, coping with high‑volume raw‑water containing high suspended‑solid content.
Seawater Desalination Pretreatment: Deployed as front‑end security filtration together with ultrafiltration devices, reducing pollutant burden for subsequent processing stages.
Pharmaceutical & Cosmetic Process‑water System: Removing granular contaminants from process water to meet pretreatment demands for preparation‑water ultrafiltration.
Mine and Industrial Wastewater Recycling: Filtering recycled wastewater prior to ultrafiltration recovery steps, which may decrease membrane fouling frequency.
Industrial‑park Centralized Water Supply: Pre‑filtration for large‑scale centralized ultrafiltration water‑supply systems.
Users can adjust configuration according to raw‑water quality and project budget. For heavily polluted incoming water, multi‑stage graded filtration setup is recommended to potentially extend filter service cycles. For high‑purity process‑water projects, finer‑precision filter grades can be selected.
FAQ
Q1: Which filter housings fit Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge?
A: This filter cartridge is designed for Parker Fulflo® Mega‑Flow™ series high‑flow filter housings. Please confirm element length, micron rating and housing inner dimension before placing orders.
Q2: What key function does this filter cartridge undertake inside ultrafiltration systems?
A: It delivers ultrafiltration pre‑filtration protection. It captures suspended solids, silt and colloidal contaminants, lowers pollutant load reaching ultrafiltration membranes, and may slow down membrane fouling to extend membrane service cycles.
Q3: What main factors affect the service life of Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge?
A: Service cycle is mostly influenced by raw‑water quality and actual operating flow rate. It is suggested to replace cartridge when inlet‑outlet differential pressure reaches 2.5‑3.4 bar. Poor‑quality raw water tends to shorten service time.
Q4: Can Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge be used for reverse osmosis pre‑filtration besides ultrafiltration?
A: Yes. It can act as security pre‑filter for large‑scale reverse osmosis projects. Confirm suitable micron rating according to your RO membrane operating requirements.
Q5: Can multiple Parker’s Fulflo® Mega‑Flow™ Plus large diameter pleated filter cartridge run in parallel inside one filter housing?
A: Yes, multiple elements can be installed in parallel within matched high‑flow housings to boost overall system flow capacity. Housing quantity and element amount should be calculated according to project design flow rate.
Q6: What is the suggested maximum continuous working temperature for this filter cartridge?
A: Suggested maximum continuous operating temperature is 60 ℃. Long‑time operation above this temperature may deform polypropylene filter media and impair filtration performance.
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