Proven HFU640UY400J Replacement Filter Cartridge | Pall Compatible High Flow Filter
HFU640UY400J Replacement High Flow Filter Cartridge for Heavy-Duty Industrial Filtration
The HFU640UY400J Replacement Filter Cartridge from MemKway is designed for industrial filtration applications where high contaminant loading, stable flow performance, and extended service intervals are critical. Featuring a 40 micron polypropylene filtration media, this cartridge is optimized for removing larger suspended solids and protecting downstream filtration equipment, membranes, pumps, and process systems.
As a reliable Pall compatible filter and Pall high flow cartridge equivalent, the HFU640UY400J Replacement provides an economical alternative for customers who require dependable high flow filtration performance without relying on original OEM cartridges.
1. Core Specifications
| Parameter | Value |
| Brand | MemKway |
| MemKway Model | MK-U-640PP400E |
| Equivalent Pall Model | HFU640UY400J |
| Compatibility | Pall Compatible Filter Cartridge for HFU Series High Flow Filter Housings |
| Filtration Rating | 40 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: EPDM
3. Operating Conditions
| Operating Parameter | Value |
| Max Operating Pressure | 10.3 bar (150 psi) |
| Operating Temperature Range (Aqueous) | 4–82 °C (39–180 °F) |
| pH Range (Operating) | 1–14 |
| Recommended Flow Velocity | 0.1–0.3 m/s |
4. Pressure Drop on Flow Rate
| Flow Rate (L/min / gpm) | Pressure Drop (bar / psid) |
| 325 / 86 | 0.13 / 1.88 |
| 650 / 172 | 0.27 / 3.91 |
| 975 / 258 | 0.51 / 7.39 |
| 1300 / 343 | 0.78 / 11.31 |
Note: Data is measured at 23°C (73°F) with clean water, for reference only. Pressure drop increases as the filter accumulates contaminants.
5. Key Features of HFU640UY400J Replacement
- Direct replacement for Pall HFU640UY400J
- 40 micron absolute filtration rating
- Designed for high suspended solids removal
- High dirt-holding capacity
- Large filtration surface area
- Low pressure drop
- Long service life
- Chemical-resistant polypropylene structure
- Suitable for continuous industrial operation
- OEM and private label service available
6. Advantages of Choosing the HFU640UY400J Replacement
Choosing the HFU640UY400J Replacement provides:
Improved Equipment Protection
Removes larger particles before they damage downstream systems.
Longer Service Intervals
High dirt-loading capability reduces frequent filter changes.
Lower Filtration Cost
A practical alternative to OEM cartridges with competitive pricing.
Stable Industrial Performance
Designed for continuous high-flow applications.
7. Pall HFU Series Cross Reference
The table below helps buyers quickly identify the correct HFU640UY400J Replacement and other compatible Pall HFU series models.
| Pall Model | MemKway Replacement | Replacement Type |
|---|---|---|
| HFU640UY045J | MK-U-640PP045E | Direct Replacement |
| HFU640UY060J | MK-U-640PP060E | Pall Compatible |
| HFU640UY400J | MK-U-640PP400E | Equivalent Filter |
| HFU660UY100J | MK-U-660PP100E | OEM Replacement |
| HFU660UY200J | MK-U-660PP200E | Alternative Filter |
8. 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
9. 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.
10. 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 (HFU640UY400J) is for comparison and compatibility information only.
Why Choose Our HFU640UY400J Replacement Filter?
Designed for High Contamination Environments
The HFU640UY400J Replacement is developed for applications where water contains higher levels of suspended solids and larger particles.
Compared with finer filtration grades, the 40μm design allows:
- Higher dirt loading capacity
- Longer operating cycles
- Reduced cartridge replacement frequency
- Better protection of downstream equipment
Reliable Pre-Filtration Performance
The cartridge works effectively as a first-stage filtration solution before:
- RO membranes
- Fine cartridge filters
- UV systems
- Process equipment
By removing larger contaminants at an early stage, the HFU640UY400J Replacement helps improve overall system reliability.
High Flow Capacity with Lower Maintenance Cost
The large-format design provides a larger filtration area compared with conventional cartridges.
Benefits include:
- Higher flow rates
- Fewer cartridges required
- Less frequent maintenance
- Reduced operating expenses
For industrial users managing large water volumes, this makes the HFU640UY400J Replacement a cost-efficient filtration solution.
Professional OEM Filter Manufacturing Capability
MemKway specializes in manufacturing replacement high flow cartridges compatible with:
- Pall
- Pentair
- Parker
- 3M
As an experienced OEM filter manufacturer, we support distributors, EPC companies, and industrial filtration projects worldwide.
Frequently Asked Questions (FAQ)
A1: Yes. The HFU640UY400J Replacement is designed as a direct replacement for compatible Pall HFU640UY400J applications.
A2: The main difference is filtration rating.
- HFU640UY200J: 20μm filtration, suitable for medium particle removal.
- HFU640UY400J: 40μm filtration, optimized for higher contaminant loading and pre-filtration applications.
Q3: Where is HFU640UY400J Replacement commonly used?
A3: It is commonly used in:
- RO pretreatment
- Desalination
- Raw water filtration
- Mining
- Power plants
- Industrial water treatment
A4: Yes. The cartridge is manufactured as a Pall high flow cartridge equivalent, providing compatible installation and reliable filtration performance.
A5: Yes. MemKway is an experienced OEM filter manufacturer offering private label production, customized solutions, and global supply support.
A6: MemKway provides reliable replacement cartridges, competitive pricing, stable production capacity, and technical support for distributors, EPC contractors, and industrial filtration users worldwide.
Looking for a Reliable HFU640UY400J Replacement?
Need a dependable HFU640UY400J Replacement for your industrial filtration system? Contact MemKway today for technical support, OEM manufacturing, pricing, or a free quotation. Our team will help you select the right HFU640UY400J Replacement for your application.