
PALL HCP400UY020H13 Equivalent Coreless High Flow Filter Cartridge
Introduction:When building industrial raw water pretreatment and RO membrane protection systems, filtration engineers and purchasing teams select stable Liquid Filters and Self Cleaning Filter solutions to protect costly RO membrane components. The PALL HCP400UY020H13 high flow filter cartridge delivers ultra-fine particle retention for critical water treatment applications, yet many factories encounter high spare part costs and long delivery cycles for the original element. This equivalent coreless high flow filter cartridge is designed as a direct drop-in replacement. It features 0.2μm absolute polypropylene gradient depth media, inside-to-outside flow construction and EPDM sealing, fully matching the dimension and performance specifications of HCP400UY020H13 for water treatment and general chemical fluid service.
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Product Introduction

As a reliable industrial water filter, this high flow filter cartridge fits inside standard water filter housings for solid contaminant capture, and can work with a self-cleaning filter to establish multi-stage pretreatment protection for RO systems. The HCP400UY020H13 is a coreless high flow pleated filter cartridge adopting 100% polypropylene gradient depth media with no internal support skeleton. It is equipped with EPDM (H13) O-ring seals for water treatment and regular chemical fluid conditions. Many industrial facilities rely on this imported high flow filter element, but expensive pricing and extended lead times bring trouble to routine maintenance and project rollout. Our equivalent replacement cartridge retains the identical physical dimensions, inside-to-outside flow structure and sealing interface. It can be installed into your existing filter housing without modification, efficiently intercepting ultra-fine suspended particles and safeguarding downstream RO membranes from particulate fouling.
Working Principle

The HCP400UY020H13 cartridge uses inside-to-outside flow design, different from traditional outside-in high flow filters. Raw fluid flows first into the hollow inner core of the filter cartridge, then passes outward through the gradient-depth PP media. Ultra-fine particles and suspended contaminants are trapped within the progressive filter media, and clarified liquid flows out from the cartridge outer surface. The coreless structure eliminates the risk of skeleton-related dead zones. The upstream self-cleaning filter removes large sediment particles in advance, reducing the contaminant load and extending the service life of HCP400UY020H13 filter cartridge.
Technical Specifications Table
| Item | Parameter |
|---|---|
| Model | HCP400UY020H13 |
| Absolute Filtration Rating | 0.2 μm |
| Nominal Length | 40 inch (approx 1016 mm) |
| Nominal Outer Diameter | 6 inch, high flow size |
| Flow Structure | Inside-to-Outside, contaminants trapped inside filter media |
| O-ring / Seal Material | EPDM (H13), suitable for water treatment and regular chemical liquids |
| Filter Media | 100% Polypropylene (PP) gradient depth media, coreless (no inner support skeleton) |
Core Advantages
1:1 Drop-in Replacement for PALL HCP400UY020H13
Matching size, end cap interface, inside-to-outside flow path and EPDM sealing. No housing modification required for quick on-site replacement.
Coreless Gradient Depth PP Media Design
Without internal support skeleton, the progressive depth media structure provides consistent particle holding capacity, avoiding dead space and reducing residual contamination.
Ultra-fine 0.2μm Absolute Filtration Performance
Capable of capturing ultra-fine particulates, ideal for high-grade water pretreatment to minimize particle breakthrough and protect RO membranes.
Excellent Chemical Compatibility
Full polypropylene media with EPDM O-rings works well for water treatment and general chemical fluids, stable under normal industrial working conditions.
Compatible With Multi-stage Filtration With Self Cleaning Filter
Cooperated with upstream self-cleaning filter to remove coarse impurities, lower particle burden on the cartridge, stabilize differential pressure and prolong filter service cycles.
Application Scenarios

High-purity water RO pretreatment
Industrial raw water fine filtration
General chemical liquid clarification
Electronics manufacturing process water filtration
Power plant circulating water fine purification
Wastewater reuse advanced pretreatment
FAQ
Q1: Can this equivalent cartridge fully replace original PALL HCP400UY020H13?
A1: Yes. Dimensions, flow direction, media structure and EPDM seal are fully matched. Direct installation into your existing filter housing.
Q2: What is the feature of coreless filter construction?
A2: There is no inner support skeleton. The gradient depth polypropylene media itself maintains structural integrity, avoiding dead zones inside the filter.
Q3: What fluid is this cartridge suitable for?
A3: It is designed for water treatment and conventional chemical liquids. Not suitable for strong oxidizing, strong acid or strong alkaline media.
Q4: What is the absolute filtration rating?
A4: 0.2μm absolute filtration, same as the original HCP400UY020H13.
Q5: When should I replace the filter cartridge?
A5: Replace the cartridge when inlet-outlet differential pressure reaches the threshold, to stop particle breakthrough and protect downstream RO membranes.
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