HFU640UY050H Replacement Filter | FKM Seal High Flow Cartridge Compatible with Pall
The MemKway HFU640UY050H Replacement Filter is designed for industrial liquid filtration systems requiring enhanced chemical compatibility. Equipped with a fluorocarbon (FKM) sealing material and a pleated polypropylene filtration medium, it provides dependable sealing performance in applications where EPDM seals may not be suitable. It is compatible with Pall® Ultipleat High Flow housings and supports stable filtration in process water, chemical production, and industrial manufacturing.
1. Core Specifications
| Parameter | Value |
| Brand | MemKway |
| MemKway Model | MK-U-640PP050V |
| Equivalent Pall Model | HFU640UY050H |
| Compatibility | Pall Compatible Filter Cartridge for HFU Series High Flow Filter Housings |
| Filtration Rating | 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 |
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: Viton Standard / Buna-N, Silicone, EPDM 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. Performance Benefits
Reliable Sealing Performance
The FKM seal helps reduce the risk of leakage in compatible chemical service.
Lower Maintenance Frequency
Large-format pleated construction allows longer operating cycles.
High Dirt Holding Capacity
Pleated polypropylene media provides a large effective filtration area.
Compatible Installation
Direct replacement for compatible Pall HFU housings.
6. Typical Applications
- Chemical Manufacturing
- Petrochemical Plants
- Industrial Process Water
- Coatings & Paint Production
- Fine Chemicals
- Specialty Manufacturing
7. Chemical Compatibility
Fluid Type | Typical Compatibility* |
|---|---|
| Industrial Water | Excellent |
| Lubricating Oils | Good |
| Mild Acids | Depends on concentration |
| Mild Alkalis | Depends on concentration |
| Solvent Service | Check chemical compatibility before use |
* Compatibility should always be verified for the specific fluid, concentration, and operating temperature.
8. 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.
9. 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 (HFU640UY050H) is for comparison and compatibility information only.
How to Select the Correct Seal Material
| Seal Material | Typical Applications |
|---|---|
| EPDM | Water treatment, RO pretreatment |
| FKM | Many oils, fuels, and selected chemical processes |
| Silicone | Food processing (where applicable) |
| NBR | General industrial fluids |
Always verify seal compatibility with your specific process fluid, operating temperature, and cleaning chemicals before selecting a replacement cartridge.
Difference Between HFU640UY050H and HFU640UY050J
| Item | HFU640UY050H | HFU640UY050J |
|---|---|---|
| Seal Material | FKM | EPDM |
| Typical Use | Chemical processing | Water treatment |
| Chemical Resistance | Higher for many oils and solvents | Better for many water-based chemicals |
| Water Treatment | Suitable | Recommended choice |
When Should You Choose the H Version?
Applications Requiring FKM Seals
Suitable when the filtration system processes:
- Chemical process fluids
- Organic solvents (compatibility depends on the specific chemical)
- Industrial cleaning solutions
- High-temperature compatible liquids within the cartridge’s operating limits
- Industrial manufacturing processes
Why Choose Our HFU640UY050H Replacement Filter Cartridge?
Our HFU640UY050H Replacement Pall HFU Filter Cartridge is designed to provide OEM-equivalent performance while significantly reducing filtration operating costs. As a dependable Pall filter cartridge replacement, it delivers the same installation compatibility, filtration efficiency, and flow performance expected from the original Ultipleat High Flow series.
Engineered as a HFU640UY050H Pall HFU compatible filter cartridge, it helps minimize downtime, reduce inventory costs, and improve procurement flexibility while maintaining consistent filtrate quality. The cartridge is also widely selected as a long-term replacement for Pall Ultipleat High Flow filter elements in water treatment and industrial process applications.
| Industrial Requirement | MemKway Solution |
|---|---|
| Exposure to chemicals | FKM sealing option |
| High flow filtration | Large diameter pleated media |
| Fewer maintenance shutdowns | Long service life |
| Easy replacement | Compatible dimensions |
| Stable sealing | Precision molded seal |
Frequently Asked Questions (FAQ)
A1: MemKway MK-U-640PP050V serves as a premium HFU640UY050H replacement filter, perfectly designed to substitute the original PALL HFU640UY050H high flow cartridge for industrial water treatment, RO pre-filtration and process fluid purification.
A2: Yes. This HFU640UY050H 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.
A3: The MemKway MK-U-640PP050V comes with 5 micron filtration accuracy and 40 inch standard length, fully consistent with the technical parameters of the original OEM HFU640UY050H model.
A4: Our HFU640UY050H 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.
A5: Our HFU640UY050H 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.
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.
