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HFU660UY050U replacement
1. Core Specifications
Parameter | Value |
Filtration Rating (Absolute) | 50 μm |
Cartridge Length | 40 inches (1016 mm) |
Outer Diameter (OD) | 6.3 inches (160 mm) |
Inner Diameter (ID) | 3.5 inches (89 mm) |
Flow Direction | Inside → Out |
Core Design | Coreless (All-Plastic Construction) |
Seal Material | Viton (Fluoroelastomer) |
2. Material Construction
• Filter Media: High-quality pleated polypropylene (PP) depth media (five-layer pleated structure), optimized for precision filtration, ensuring over 98% efficient retention of fine to medium particles and excellent chemical compatibility, consistent with Pall HFU660UY050U factory material standards. The media can also be combined with glass fiber for enhanced filtration performance and high-temperature resistance (up to 120℃) as per original specifications.
• Support/Drainage Mesh: Polypropylene mesh, providing strong structural support and efficient drainage to maintain stable flow rate even with high contaminant loads, adhering to Pall original specifications.
• End Caps & Handle: 10% glass-filled polypropylene (GF PP), durable, impact-resistant, and resistant to industrial chemicals and high temperatures, matching the original Pall material performance; all connections adopt ultrasonic hot-melt bonding to avoid secondary pollution.
• Outer Wrap: Polypropylene, protecting the pleated media from damage during installation, transportation, and operation, consistent with Pall HFU series design standards.
• O-Ring Seal: Viton (Fluoroelastomer) rubber, ensuring a tight, leak-free seal with Pall HFU series filter housings, preventing bypass of unfiltered fluid, fully compatible with Pall HFU660UY050U housing specifications; NBR (Nitrile Butadiene Rubber) and Silicone Rubber are also available as alternatives as per original options.
3. Performance Data
Performance Parameter | Value |
Effective Filtration Area | 13.2 m² |
Nominal Maximum Flow Rate (23°C, Clean Water) | 1300 L/min (343 gpm) |
Maximum Operating Temperature (Aqueous Systems) | 80°C (176°F) (0.1MPa); 120°C for glass fiber media |
Maximum Differential Pressure (at 25°C) | 4.2 bar (60.9 psid) |
Typical Change-Out Pressure Drop | 2.0 bar (29 psid) |
Dirt-Holding Capacity | ≥ 230 g (tested with ISO 12103-1 A2 fine test dust) |
4. Operating Conditions
Operating Parameter | Value |
Maximum Operating Pressure | 6.0 bar (87 psig) (0.6 MPa) |
Operating Temperature Range (Aqueous) | 10°C – 80°C (50°F – 176°F); 10°C – 120°C for glass fiber media |
Operating pH Range | 1 – 14 (compatible with most industrial fluids, acids, and alkalis) |
Recommended Flow Velocity | 0.14 – 0.34 m/s |
Service Life | Dependent on feed water quality; typically 3–8 weeks in industrial pre-filtration and RO security filtration applications, longer than standard cartridges due to larger filtration area |
5. Pressure Drop on Flow Rate
Note: Data measured at 23°C (73°F) with clean water, for reference only. Pressure drop increases as the filter accumulates contaminants. Not recommended where the temperature is cycled more than 28 °C (50 °F). Maximum temperatures are for continuous service. (Consistent with Pall original notes)
Flow Rate (L/min / gpm) | Pressure Drop (bar / psid) |
325 / 86 | 0.11 / 1.59 |
650 / 172 | 0.22 / 3.19 |
975 / 258 | 0.45 / 6.53 |
1300 / 343 | 0.70 / 10.15 |
6. Key Features
• Direct Drop-In Replacement: 100% compatible with Pall HFU660UY050U, no modifications to existing Pall filter housings required, ensuring seamless installation, consistent with original dimensions and interface specifications.
• High Dirt-Holding Capacity: Five-layer pleated polypropylene (PP) media design (with optional glass fiber combination) maximizes filtration area, capturing more fine to medium particles and extending service life, reducing replacement frequency, consistent with Pall HFU660UY050U original performance standards, with over 98% filtration precision.
• Coreless Design: Reduces disposal waste and weight, while maintaining strong structural integrity during high-flow operation and installation, identical to Pall HFU660UY050U design, with unique "M" type high-low corrugated pleat geometry for enhanced efficiency and contaminant capacity.
• Excellent Chemical Compatibility: Resistant to most industrial fluids, water, chemicals, various acids, alkalis, solvents, quenching water and brine, suitable for diverse heavy-duty pre-filtration and RO security filtration applications, matching Pall HFU660UY050U original material compatibility.
• Cost-Effective: Delivers performance equal to the original Pall cartridge (consistent with HFU660UY050U standards) at a fraction of the cost, significantly reducing operational and maintenance expenses, with 30% lower operating costs compared to standard cartridges.
• Leak-Free Seal: Viton (or optional NBR, Silicone Rubber) O-ring ensures a tight, reliable seal, preventing bypass of unfiltered fluid and maintaining consistent filtration efficiency, fully compatible with Pall HFU series housings.
• Easy Installation & Replacement: Lightweight design and standard dimensions (matching HFU660UY050U) make installation, inspection, and replacement quick and simple, saving labor costs; single open-ended design and integrated handle simplify assembly and replacement.
• Stable Structure: Fixed fiber matrix with no adhesives or surfactants ensures consistent filtrate quality, higher product yields, and process reliability, manufactured in a controlled environment per ISO 9001:2008 certified quality management system, with ultrasonic hot-melt bonding to avoid secondary pollution.
7. Typical Applications
• RO security filtration and seawater desalination pre-treatment
• Power plant: Condensate, make-up water, and stator cooling water pre-filtration
• Pharmaceutical industry: Filtration of raw materials, solvents, and water
• Food and beverage industry: Filtration of process water, bottled water, syrup, edible oil, fruit juice, and soft drinks
• Industrial cooling water pre-filtration (removing fine to medium particles to protect heat exchangers)
• Heavy-duty process water pre-filtration (chemical, mining, metallurgical, and petrochemical industries)
• Wastewater pre-filtration (removing suspended solids before advanced treatment)
• Paint, coating, and petrochemical industry filtration
• Microelectronics, film, fiber, and resin industry filtration; marine and textile industry fluid filtration
8. Regulatory Compliance
• Food Contact Compliance: Conforms to FDA 21 CFR Part 177.1520 for polypropylene materials, safe for food and beverage pre-filtration applications, consistent with Pall HFU660UY050U compliance standards; refer to Pall’s official website for region-specific food contact compliance declarations.
• Pharmaceutical Compliance: Manufactured in accordance with cGMP (Current Good Manufacturing Practices) standards, suitable for pharmaceutical pre-filtration systems, matching Pall original compliance requirements.
• Material Safety: All materials are non-toxic, non-leaching, and meet international safety standards for industrial and potable water applications, identical to Pall HFU660UY050U material safety specifications; no adhesives or surfactants to avoid filtrate contamination.
• RoHS Compliance: Complies with EU RoHS Directive (2011/65/EU) and subsequent amendments, restricting hazardous substances, consistent with Pall global compliance standards.
• REACH Compliance: Meets EU REACH Regulation (EC) No. 1907/2006, ensuring the safety of all substances used in the product, matching Pall original compliance standards.
• Quality Certification: Manufactured in accordance with ISO 9001:2008 certified quality management system, ensuring consistent product quality and performance, with all dimensions and materials strictly matching Pall HFU660UY050U specifications.
MemKway MK-HFU660UY050U is a direct, drop-in replacement for Pall Ultipleat HFU660UY050U high flow filter cartridge. It is engineered to match the original’s dimensions, performance, and compatibility, requiring no modifications to Pall HFU series filter housings. This cost-effective alternative delivers reliable precision filtration, high dirt-holding capacity, and long service life, ideal for industrial pre-filtration, RO security filtration, and heavy-duty filtration applications across chemical, pharmaceutical, power, and food beverage industries.

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Masters in industrial water treatment filter cartridge with 15+ years of experience and 7+ awards, enpowering customers with science and technology to improve water quality for sustainable development of the the planet.
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