HFU640UY045J Replacement Filter Cartridge | MemKway High Flow Filter MK-U-640PP045E
MemKway MK-U-640PP045E is a high-performance, drop-in HFU640UY045J replacement filter engineered to match the exact specifications of the original PALL cartridge, delivering reliable, cost-effective filtration for industrial water and process fluid applications. Built as a direct equivalent to the OEM HFU640UY045J, this 40-inch, 4.5-micron pleated filter cartridge is designed to fit seamlessly into PALL Ultipleat HFU series high-flow housings, requiring no modifications to your existing system.
| Item | Details |
| MemKway Model | MK-U-640PP045E |
| Equivalent to PALL Model | HFU640UY045J |
| Compatibility | Fits PALL HFU Series 40-inch High Flow Filter Housings |
1. Core Specifications
| Parameter | Value |
| Brand | MemKway |
| Filtration Rating | 4.5 μm (Absolute) |
| Cartridge Length | 40 inches (1016 mm) |
| Outer Diameter (OD) | 6.0 inches (152.4 mm) |
| Internal Diameter (ID) | 3.5 inches (89 mm) |
| Flow Direction | Inside to outside |
| Effective Filtration Area | 6.8 m² |
2. Material Construction
- Filter Media: Microfiber polypropylene
- Support/Drainage Mesh: Polypropylene
- End Caps & Handle: 10% Glass-Filled Polypropylene (GF PP)
- Outer Wrap: Polypropylene
- O-Ring Seal: EPDM Standard / Buna-N, Silicone, Viton Optional
3. Operating Conditions
| Parameter | Maximum / Recommended Value |
| Maximum Operating Temperature | 82°C (180°F) |
| Maximum Differential Pressure | 3.4 bar @ 82°C (50 psid @180°F) |
| Recommended Change-out Differential Pressure | 2.4 bar @ 20°C (35 psid @ 68°F) |
| Maximum Water Flow Rate | 350 gpm/1,325 lpm |
4. Pressure Drop on Flow Rate
Removal rating (μm) | Element pressure drop (mbar/m³/h) | Element pressure drop (psi/100 gpm) | ||||
| 20″ | 40″ | 60″ | 20″ | 40″ | 60″ | |
| 1 | 6.08 | 2.94 | 1.98 | 2 | 0.97 | 0.65 |
| 3 | 2.61 | 1.29 | 0.87 | 0.88 | 0.43 | 0.29 |
| 5 | 1.48 | 0.73 | 0.49 | 0.49 | 0.24 | 0.16 |
| 10 | 1.04 | 0.52 | 0.35 | 0.34 | 0.17 | 0.11 |
| 20 | 0.74 | 0.36 | 0.24 | 0.24 | 0.12 | 0.08 |
| 40 | 0.55 | 0.27 | 0.18 | 0.18 | 0.09 | 0.06 |
| 50 | 0.46 | 0.22 | 0.15 | 0.15 | 0.07 | 0.05 |
| 70 | 0.12 | 0.06 | 0.04 | 0.04 | 0.02 | 0.013 |
| 100 | 0.112 | 0.056 | 0.037 | 0.037 | 0.019 | 0.012 |
5. Key Features & Benefits
- 1:1 Compatibility: Guaranteed to fit perfectly into existing high-flow filter housings without any modifications.
- High Dirt-Holding Capacity: The multi-layered pleated structure maximizes surface area, significantly extending the service life compared to standard melt-blown filters.
- Cost-Efficient Excellence: HFU640UY045J replacement filter achieve the same (or better) filtration efficiency as the original ones while reducing your overall operational and maintenance costs.
- Simplified Maintenance: Featuring an integrated handle design, the MK-U-640PP045E allows for rapid installation and tool-free replacement, minimizing system downtime.
- Safe for Critical Apps: Constructed using thermally bonded polypropylene, ensuring zero fiber migration and excellent chemical compatibility across various fluids.
6. Typical Applications
- RO system pre-filtration (protecting RO membranes from fouling)
- High-purity process water filtration (electronics and pharmaceutical industries)
- Industrial cooling water fine pre-filtration
- Raw water precision pre-treatment
- Food and beverage water fine filtration
- Power plant condensate fine polishing
- Municipal drinking water advanced pre-treatment
7. Quality & Regulatory Compliance
- Certification: Manufactured in an ISO 9001:2015 certified facility.
- Standards: CE marked for international safety and quality standards.
- Food Contact: Materials comply with FDA 21 CFR requirements for food & beverage contact.
8. Cross-Reference Disclaimer
PALL and HFU Series are registered trademarks of their respective owners. MemKway is an independent manufacturer of high-quality replacement filters. Any reference to original part numbers (HFU640UY045J) is for comparison and compatibility information only.
Frequently Asked Questions (FAQ)
Q1: What is MemKway MK-U-640PP045E used for?
A1: MemKway MK-U-640PP045E serves as a premium HFU640UY045J replacement filter, perfectly designed to substitute the original PALL HFU640UY045J high flow cartridge for industrial water treatment, RO pre-filtration and process fluid purification.
A1: MemKway MK-U-640PP045E serves as a premium HFU640UY045J replacement filter, perfectly designed to substitute the original PALL HFU640UY045J high flow cartridge for industrial water treatment, RO pre-filtration and process fluid purification.
Q2: Is MK-U-640PP045E fully compatible with the original PALL housing?
A2: Yes. This HFU640UY045J replacement filter features identical overall dimension, sealing structure and flow rate design, enabling direct drop-in installation without any modification to your existing filter housing.
A2: Yes. This HFU640UY045J replacement filter features identical overall dimension, sealing structure and flow rate design, enabling direct drop-in installation without any modification to your existing filter housing.
Q3: What is the micron rating and size of this HFU640UY045J replacement filter?
A3: The MemKway MK-U-640PP045E comes with 4.5 micron filtration accuracy and 40 inch standard length, fully consistent with the technical parameters of the original OEM HFU640UY045J model.
A3: The MemKway MK-U-640PP045E comes with 4.5 micron filtration accuracy and 40 inch standard length, fully consistent with the technical parameters of the original OEM HFU640UY045J model.
Q4: What materials are used in MK-U-640PP045E?
A4: Our HFU640UY045J replacement filter adopts high dirt-holding capacity pleated polypropylene media, with excellent chemical resistance, stable filtration efficiency and long service life for harsh industrial working conditions.
A4: Our HFU640UY045J replacement filter adopts high dirt-holding capacity pleated polypropylene media, with excellent chemical resistance, stable filtration efficiency and long service life for harsh industrial working conditions.
Q5: Why choose MemKway instead of the original OEM HFU640UY045J?
A5: Our HFU640UY045J replacement filter delivers the same filtration performance and compatibility as the original part, meanwhile offering more competitive pricing, stable supply and fast delivery, helping factories reduce operation and procurement costs effectively.
A5: Our HFU640UY045J replacement filter delivers the same filtration performance and compatibility as the original part, meanwhile offering more competitive pricing, stable supply and fast delivery, helping factories reduce operation and procurement costs effectively.
Q6: What applications are suitable for this HFU640UY045J replacement filter?
A6: It is widely applied in reverse osmosis pre-filtration, power plant cooling water, chemical processing, municipal water supply and petrochemical process liquid filtration scenarios.
A6: It is widely applied in reverse osmosis pre-filtration, power plant cooling water, chemical processing, municipal water supply and petrochemical process liquid filtration scenarios.
