HFU640UY050J Replacement Filter Cartridge – 5 μm Pall Compatible High Flow Filter
HFU640UY050J Replacement High Flow Filter Cartridge for Pall Compatible Industrial Water Filtration
MemKway MK-U-640PP050E is a 5 μm high flow filter cartridge designed as a direct replacement for Pall HFU640UY050J. Its 40-inch, 6-inch-diameter pleated polypropylene construction provides high dirt-holding capacity and low pressure drop for demanding industrial water filtration applications.
Designed for installation in compatible Pall Ultipleat High Flow housings, the HFU640UY050J replacement cartridge is suitable for RO pretreatment, desalination, power generation, cooling water and general process water filtration.
Learn more about the differences between Pall HFU and 3M High Flow filter cartridges in our technical comparison guide.
1. Core Specifications
| Parameter | Value |
| Brand | MemKway |
| MemKway Model | MK-U-640PP050E |
| Equivalent Pall Model | HFU640UY050J |
| 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: 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
Direct Replacement for HFU640UY050J
Designed as a true HFU640UY050J replacement filter cartridge, ensuring seamless installation into existing Pall Ultipleat High Flow housings.
High-Capacity 5 Micron Filtration
The 5-micron filtration rating is ideal for removing larger suspended solids, rust particles, sand, and process contaminants while protecting downstream filtration equipment.
High Flow Rate Design
The 6-inch diameter pleated structure supports high flow rates while requiring fewer cartridges and smaller housings compared with conventional filter systems.
Superior Dirt-Holding Capacity
Advanced pleated polypropylene media provides exceptional contaminant loading capacity and longer operating cycles between filter replacements.
Reduced Operating Costs
As a reliable Pall HFU640UY050J replacement filter cartridge and alternative to Pall filter, this cartridge helps reduce maintenance downtime, replacement frequency, and overall filtration costs.
Broad Chemical Compatibility
Constructed from high-quality polypropylene materials, making it suitable for a wide range of industrial water and process fluid applications.
6. Typical Applications of HFU640UY050J Replacement Filter Cartridge
- Reverse Osmosis (RO) Pretreatment
- Seawater Desalination Systems
- Industrial Water Treatment
- Power Plant Water Filtration
- Oil & Gas Produced Water Treatment
- Petrochemical Process Water Filtration
- Municipal Water Treatment
- Cooling Water & Utility Water Systems
7. Why Choose a 5 μm HFU640UY050J Replacement?
The 5 μm rating provides a practical balance between particulate removal, dirt-holding capacity and system pressure drop. This makes HFU640UY050J replacement cartridges particularly suitable for RO pretreatment and industrial process water applications where downstream equipment requires protection from suspended solids without unnecessarily restricting system flow.
| Application Requirement | Recommended Rating |
|---|---|
| Fine particulate control | 1–2 μm |
| General RO pretreatment | 5 μm – HFU640UY050J |
| General process protection | 10 μm |
| Coarse pretreatment | 20 μm+ |
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 (HFU640UY050J) is for comparison and compatibility information only.
Why Choose This HFU640UY050J Replacement?
MemKway HFU640UY050J replacement filter cartridge is engineered for customers seeking a reliable Pall high flow filter replacement with OEM-equivalent fit and performance. Manufactured using premium polypropylene filtration media and strict quality controls, it delivers consistent filtration efficiency, excellent contaminant retention, and dependable service life.
| Challenge | MemKway Solution |
|---|---|
| High OEM costs | Factory-direct compatible replacement |
| Long delivery time | Fast production and export |
| Frequent cartridge changes | High dirt-holding capacity |
| High operating costs | Low pressure drop |
| Large system shutdowns | Long service life |
Pall Ultipleat HFU Series Cross Reference Table
MemKway manufactures Pall compatible high flow filter cartridges that are designed as direct replacements for the Pall Ultipleat High Flow series. Our replacement filters provide equivalent dimensions, sealing configurations, and filtration performance for industrial water treatment, RO pretreatment, desalination, power generation, mining, and oil & gas applications.
| Pall Models | Micron Rating | Length | MemKway Replacement |
|---|---|---|---|
HFU640UY005J |
0.5 μm |
40″ |
MK-U-640PP005E |
1 μm |
40″ |
MK-U-640PP010E | |
HFU640UY020J |
2 μm |
40″ |
MK-U-640PP020E |
HFU640UY045J |
4.5 μm |
40″ |
MK-U-640PP045E |
HFU640UY050J |
5 μm |
40″ |
MK-U-640PP050E |
HFU640UY060J |
6 μm |
40″ |
MK-U-640PP060E |
10 μm |
40″ |
MK-U-640PP100E | |
HFU640UY200J |
20 μm |
40″ |
MK-U-640PP200E |
HFU640UY400J |
40 μm |
40″ |
MK-U-640PP400E |
HFU640UY700J |
70 μm |
40″ |
MK-U-640PP700E |
How to Select the Correct Replacement?
Choose by Micron Rating
Need finer filtration?
→ Select 2 μm.
Need general RO pretreatment?
→ Select 5 μm.
Need coarse protection?
→ Select 10–20 μm.
Choose by Cartridge Length
40″
↓
HFU640 Series
60″
↓
HFU660 Series
80″
↓
HFU680 Series
Choose by Seal Material
EPDM
NBR
Silicone
FKM
Frequently Asked Questions (FAQ)
A1: Yes. MemKway MK-U-640PP050E is designed as a direct Pall HFU640UY050J replacement, matching the key dimensions, filtration rating, flow configuration, and sealing requirements for straightforward replacement without modifying compatible filter housings.
A2: HFU640UY050J has a 5 μm filtration rating. The MemKway MK-U-640PP050E is designed to provide the corresponding 5 μm filtration performance for industrial water and process filtration applications.
A3: Yes. MK-U-640PP050E is designed for installation in compatible Pall Ultipleat High Flow filter housings. Before ordering, we recommend confirming the OEM part number, cartridge length, end connection, and seal material to ensure correct fit.
A4: Yes. A 5 μm high flow filter cartridge is commonly used in RO pretreatment to reduce suspended solids and particulates before water enters downstream RO equipment. The appropriate micron rating should ultimately be selected according to feed-water quality and system requirements.
A5: Please provide the OEM part number (HFU640UY050J), required quantity, seal material, and any specific operating conditions or certification requirements. If the exact part number is unavailable, you can send us photos, dimensions, or an existing filter specification for cross-reference.
A6: Yes. MemKway supports sample orders, bulk purchasing, OEM/private labeling, and customized packaging for distributors and industrial filtration customers. Contact us with your required quantity and branding requirements for a quotation.
HFU640UY050J Ordering Information
| Item | Specification |
|---|---|
| OEM Reference | HFU640UY050J |
| MemKway Model | MK-U-640PP050E |
| Rating | 5 μm Absolute |
| Length | 40″ |
| Standard Seal | EPDM |
| Optional Seals | Buna-N / Silicone / FKM |
| Packaging | Individual protective packaging |
| OEM / Private Label | Available |
| Sample | Available on request |
Send us HFU640UY050J or your current cartridge specification for a compatibility check and quotation.
