When it comes to industrial water treatment and high-purity filtration, efficiency and longevity are paramount. The Veolia High Flow Z depth filter represents the next generation of filtration technology, designed to handle large volumes of liquids while protecting downstream equipment like Reverse Osmosis (RO) membranes. Distributed by Purecowater, this filter utilizes advanced Z.Plex technology to deliver superior performance in desalination, oil & gas, and power generation applications.
What is the Veolia High Flow Z Filter?
The High Flow Z is a large-diameter (6.5 inch) depth filter cartridge manufactured by Veolia (formerly GE Water & Process Technologies). Unlike traditional pleated filters that rely on surface filtration, the High Flow Z utilizes a true depth media design. It is engineered using Veolia’s patented Z.Plex filter technology, which employs a graded-density filter matrix.
This unique construction allows the filter to trap larger particles in the outer layers and finer particles near the core. The result is a filter that utilizes its entire volume for dirt retention, preventing premature surface blinding and significantly extending service life [complete-water.com].
Key Advantages of Z.Plex Technology
- Graded Density: Retains particles throughout the full diameter of the filter, not just the surface.
- Melt-Bonded Construction: Ensures structural integrity and prevents media migration, even under high differential pressure.
- 3D Filter Matrix: Provides unmatched dirt-holding capacity compared to standard filters.
Performance Characteristics
The Veolia High Flow Z is designed to lower the total cost of filtration operations (OPEX) by reducing maintenance frequency and disposal costs. A single High Flow Z cartridge can replace dozens of standard filters, simplifying system design and change-outs.
| Feature | Benefit |
|---|---|
| High Dirt Holding Capacity | Holds up to 6,800g of contaminants, equivalent to approx. 60 standard 40″ depth filters [complete-water.com]. |
| High Flow Rates | Supports 60–100 GPM (13–23 m³/h) per cartridge, reducing the number of housings required. |
| Low Pressure Drop | clean pressure drop often < 0.5 psi, saving energy on pumping costs. |
| SDI Reduction | Superior Silt Density Index (SDI) reduction, critical for protecting RO membranes. |
Specifications and Operating Conditions
The High Flow Z is available in various micron ratings and lengths to suit specific industrial needs. It comes in both Absolute (99.9% efficiency) and Nominal ratings.
General Specifications
| Filter Medium | Polypropylene |
| Outer Diameter | 6.5 inches (16.5 cm) |
| Lengths | 40 inch (101.6 cm), 60 inch (152.4 cm) |
| Micron Ratings (Nominal) | 1, 5 micron |
| Micron Ratings (Absolute) | 15, 25, 40, 70 micron [complete-water.com] |
| Max Temperature | 160°F (71°C) |
| Maximum Forward DP | 50 psid (3.4 bar) @ 77°F 35 psid (2.4 bar) @ 160°F |
Target Applications
The robust design of the High Flow Z makes it an ideal choice for industries requiring high throughput and reliable contaminant removal. Common applications include:
- RO Pretreatment & Desalination: Protecting sensitive RO membranes from fouling by effectively removing particulates and lowering SDI.
- Oil & Gas: Used in amine filtration, well injection, produced water filtration, and enhanced oil recovery [watertechnologies.com].
- Food & Beverage: Ensuring water quality compliant with FDA CFR Title 21 and EC 1935/2004 standards.
- Power Generation: Pre-filtration for boiler feed water and other high-purity water systems.
Certifications and Compliance
Veolia High Flow Z filters meet rigorous international standards for safety and quality:
- NSF 61: Certified for drinking water system components.
- FDA Listed: Materials meet FDA Title 21 requirements for food contact.
- USP Class VI: Meets biosafety standards for plastics.
- ISO 9001: Manufactured under strict quality control criteria.
Why Choose High Flow Z over Standard Filters?
Replacing standard 2.5-inch diameter filters with High Flow Z cartridges can dramatically improve operational efficiency. Because one High Flow Z filter can handle the flow of up to 5 standard 40-inch cartridges—and hold the dirt of up to 50—facilities can reduce the footprint of their filtration systems. Fewer cartridges mean faster change-outs, less downtime, and reduced labor costs.
If you are experiencing rapid pressure buildup, frequent filter changes, or high SDI values in your current system, upgrading to Veolia High Flow Z elements could be the solution.
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