High-Efficiency Depth Filtration Modules
At Purecowater, we specialize in providing advanced filtration solutions that tackle complex solid and liquid separation challenges. Among our premier offerings are the ErtelAlsop Pak® Lenticular Filters. Designed to combine the superior particle retention of depth filter sheets with the convenience of a cartridge format, these modules are the ideal upgrade for industries relying on traditional plate and frame filters.
Whether you are processing pharmaceutical ingredients, distilled spirits, or industrial chemicals, the Pak® Lenticular Cartridges conduct reliable, leak-free filtration in a totally enclosed system.
What is a Pak® Lenticular Filter?
The ErtelAlsop Pak® is a depth filter module comprised of stacked filter cells. Each cell is made from a pair of MicroMedia®, AlphaMedia®, or MicroClear® depth filter sheets. The edges of these sheets are sealed using a patented polypropylene molding process, creating a hermetically sealed unit that resembles a stack of double convex lenses—hence the term “lenticular.”
This design offers significant advantages over standard flat-sheet filtration:
- Enclosed System: Eliminates leakage and external contamination.
- Rapid Change-Out: Modules can be replaced in a fraction of the time required for plate and frame presses.
- Scalability: Available in 12-inch (30.5 cm) and 16-inch (40.6 cm) diameters with varying cell counts (5 to 18 cells) to match flow and dirt-holding requirements.
Key Features and Benefits
The Pak® Cleanable and disposable designs are engineered to support a wide array of applications, from coarse clarification to sterile-grade filtration.
| Feature | Benefit |
|---|---|
| Depth Filter Media | High solids loading capacity and excellent haze removal. |
| Polypropylene Core | Provides structural integrity and chemical compatibility. |
| Wide Micron Range | Nominal retention ratings from 0.25 to 15 microns. |
| Multiple Configurations | Available in flat gasket or double O-ring (Bio-Pak®) ends for sanitary assurance. |
Product Grades and Configurations
ErtelAlsop manufactures different versions of the Pak® to suit specific regulatory and operational needs. Choosing the right configuration is critical for optimizing your process.
Zeta-Pak® (Industrial & General Purpose)
The workhorse of the product line, the Zeta-Pak® utilizes Micro-Media® containing cellulose and filter aids (such as Diatomaceous Earth) to provide high flow rates and exceptional retention of ultra-fine particles. It is widely used in chemical and food and beverage applications.
Bio-Pak® (Pharmaceutical Grade)
Designed for critical applications, the Bio-Pak® features a Double O-Ring plug-in style connector. This design eliminates the need for stainless steel flat gaskets and center posts, ensuring a positive seal between cartridges and the housing. It is the preferred choice for biotech and pharmaceutical processes requiring high purity and sterilization.
Technical Specifications
Below are the general specifications for the ErtelAlsop Pak® cartridges. Purecowater can assist in sizing the correct number of modules for your specific flow rate.
| Specification | Details |
|---|---|
| Diameters | 12″ (30.5 cm) and 16″ (40.6 cm) |
| Micron Ratings | 0.25 µm – 15 µm |
| End Cap Types | Flat Gasket / Double O-Ring (222/226) |
| Number of Cells | Standard stacks: 9, 12, 16 cells (Customizable 5-18) |
| Gasket Materials | EPDM, Buna-N, Viton, Silicone, Teflon Encapsulated |
| Surface Area | 16″ Module (16 cell): Approx. 3.6 m² (39 ft²) 12″ Module (16 cell): Approx. 1.8 m² (19 ft²) |
Applications
The versatility of the Pak® Lenticular Series allows it to serve a diverse range of industries. Common applications include:
- Botanical Extracts: Removal of waxes and lipids while maintaining high flow.
- Food & Beverage: Filtration of corn syrup, distilled spirits, wine, and soft drinks.
- Pharmaceuticals: Clarification of broths, API processing, and sterile pre-filtration.
- Chemicals: Filtration of solvents, resins, and inks.
- Utilities: Dielectric oil and turbine lube oil reconditioning.
Why Partner with Purecowater?
As a distributor for premium filtration brands, Purecowater ensures you receive not only the best products but also the technical expertise to implement them effectively. We can help you transition from labor-intensive plate and frame systems to efficient ErtelAlsop lenticular technology, reducing your downtime and maintenance costs.
For inventory inquiries, sizing assistance, or to request a quote for ErtelAlsop Pak® Cartridges, please reach out to our team.