
HFU640UY150H13 Replacement High Flow Filter Cartridge
Introduction:If you are sourcing HFU640UY150H13 replacement high flow filter cartridge for industrial raw water pretreatment and RO security filtration, this coreless UY-series pleated filter delivers stable 15μm filtration accuracy. Adopting exclusive crescent pleat layout, it features ultra-large filtration area, outstanding dirt holding capacity and superior single-cartridge flow rate. It efficiently intercepts suspended solids, fine sediment, rust particles and colloidal contaminants, providing stable membrane protection for reverse osmosis systems and lowering system differential pressure growth. As a cost-effective drop-in replacement for Pall Ultipleat series, it fits all standard HFU640 filter housings and is widely used in seawater desalination, power plant water treatment, petrochemical process water and large-scale municipal water projects.
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Product Overview
HFU640UY150H13 is a high-performance coreless high flow filter cartridge belonging to the Pall Ultipleat UY series. It features 40-inch standard length and 6-inch large outer diameter, adopting single open-end structure and inside-to-outside radial filtration mode. The entire filter body is made of high-purity polypropylene material with full thermal welding process without adhesive, ensuring no secondary contamination. The crescent overlapping pleat structure greatly increases effective filtration area, enabling higher flow throughput with fewer cartridges and reducing overall housing investment and maintenance frequency. The integrated reinforced polypropylene lifting handle supports fast tool-free replacement on site. Standard EPDM O-ring provides reliable sealing performance, while silicone, Buna-N and FKM sealing options are available for various corrosive and high-temperature working conditions. It is widely applied in seawater desalination pretreatment, power plant boiler feed water, petrochemical process liquid filtration, industrial circulating water and wastewater reuse systems.
Working Principle
HFU640UY150H13 high flow filter cartridge follows inside-to-outside filtration principle. Raw water enters the inner cavity from the top open end and flows radially outward through multi-layer gradient polypropylene pleated media. Large particulate impurities are trapped on the inner pleated layers, while fine particles and colloids are intercepted through deep gradient filtration. The optimized crescent pleat structure evenly distributes water flow, avoids local overloading and clogging, and effectively slows down differential pressure rising speed. After complete purification, qualified water flows out from the outer surface of the filter cartridge. Precision O-ring sealing prevents unfiltered fluid bypass, ensuring stable 15μm filtration efficiency throughout the service cycle. All intercepted pollutants remain inside the cartridge, making replacement safer and more convenient.
Core Technical Specifications

Core Advantages
Core-free crescent pleat design:
No internal support skeleton, maximizes effective filtration area, greatly improves flow capacity and reduces the total number of filter cartridges required for system operation.
15μm balanced precision filtration:
Moderate filtration accuracy balances high flow performance and impurity interception effect, perfectly suitable for general industrial RO pretreatment working conditions.
Full PP chemical stability:
Integrated polypropylene structure provides excellent acid and alkali resistance, adapting to most industrial water and process liquid environments.
Tool-free quick maintenance:
Built-in lifting handle realizes fast replacement, greatly saving on-site maintenance time and labor cost.
Glue-free thermal welding molding:
No shedding, no secondary pollution, stable structure and long service life.
100% compatible interchange:
Fully matched with original Pall HFU640 series filter housings, plug-and-play without any modification.
Main Application Scenarios
Seawater desalination RO security pre-filtration system
Power plant boiler feed water and circulating water treatment
Petrochemical and fine chemical process liquid filtration
Large-scale municipal tap water pretreatment projects
Industrial circulating water filtration and wastewater reuse
Ion exchange resin protection filtration
Compatibility & Cross Reference

FAQ
Q1: Is HFU640UY150H13 fully interchangeable with original Pall housings?
A1: Yes. Standard 40-inch, 6-inch large-diameter, coreless single open-end inside-out structure ensures 100% compatibility without modification.
Q2: When to replace the filter cartridge?
A2: Replace immediately when system differential pressure reaches 2.0 bar (29 psid). Actual service life depends on raw water turbidity and impurity concentration.
Q3: What is the maximum temperature resistance?
A3: The maximum continuous operating temperature is 82℃. Long-term operation beyond the limit will cause media deformation and reduce filtration efficiency.
Q4: Are customized specifications available?
A4: Yes. Various seal materials and special precision grades are supported for bulk project orders.
Q5: What is the production lead time?
A5: Standard products are delivered within 7-15 working days. Customized orders require extra production cycle.
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