Introduction to ErtelAlsop Pak® Lenticular Filters
In the world of industrial liquid filtration, efficiency and reliability are paramount. Purecowater is proud to distribute the ErtelAlsop Pak® Lenticular Filter Cartridges (modules), a premier solution designed to tackle complex solid and liquid filtration challenges. These depth filter modules serve as a superior alternative to traditional plate and frame filters, offering a totally enclosed, sanitary design that is easier to operate and maintain.
The Pak® cartridge system is engineered for applications requiring high-efficiency particle retention and substantial solids loading capacity. Whether you are in the pharmaceutical, food and beverage, or chemical utility sectors, these filters provide a scalable and robust solution for clarifying liquids.
Design and Technology
The innovation behind the ErtelAlsop Pak® lies in its “lenticular” design. The cartridges are constructed from stacked filter cells—ranging from 5 to 18 cells per unit depending on the specific model. Each cell is formed by a pair of depth filter media sheets (such as MicroMedia® or AlphaMedia®) with edges sealed using a patented polypropylene process. This assembly resembles a stack of double convex lenses, creating a compact yet highly effective filtration surface area.
Key design features include:
- Diameter Options: Available in 12-inch (30.5 cm) and 16-inch (40.6 cm) diameters.
- Core Construction: Rigid polypropylene core and supports to withstand hydraulic stress.
- Sealing: Edge sealing prevents bypass and ensures integral filtration.
- Compatibility: ertelalsop.com notes over 300 precision dies are available to fit virtually any filter press or housing configuration.
Filter Media Options
One of the strengths of the Pak® Lenticular system is the versatility of the media. Purecowater can supply cartridges tailored to specific chemical and physical requirements:
- Zeta-Pak®: The workhorse of the series, utilizing MicroMedia® with high zeta potential for retaining ultra-fine particles and haze. Ideal for life sciences and botanical extracts.
- Disc-Pak®: Designed for light to medium viscosity liquids like lubricating oils, dielectric oils, and coolants. It uses 100% cellulose AlphaMedia® without DE (Diatomaceous Earth) or Perlite, protecting active ingredients.
- Bio-Pak®: Geared towards biological and pharmaceutical applications.
- MicroClear®: Incorporates activated carbon for decolorization and impurity adsorption.
Key Benefits and Advantages
Why choose lenticular modules over traditional flat sheets?
- Enclosed System: Unlike open plate and frame presses, lenticular housings are sealed. This reduces leakage, minimizes product loss, and protects operators from exposure to process fluids.
- High Solids Loading: The complex matrix of fibers and particles in the depth media allows for significant accumulation of solids before a pressure drop occurs.
- User-Friendly Changeouts: Swapping out a stacked module is significantly faster and cleaner than changing dozens of individual filter sheets, reducing downtime.
- Scalability: Existing plate and frame specifications can be easily translated to lenticular formats, making upgrades seamless.
Technical Specifications
Below represents the general specifications for the Pak® series. For precise sizing, please contact Purecowater.
| Parameter | Specification Details |
|---|---|
| Micron Ratings (Nominal) | 0.25 µm to 15 µm (Standard options: 1.0, 2.5, 5, 10 micron) |
| Diameters Available | 12″ (30.5 cm) and 16″ (40.6 cm) |
| Cell Count | Typically 5 to 18 cells per module (16 cells is common for standard depths) |
| Max Operating Temperature | Dependent on media and gasket selection (EPDM, Silicone, etc.) |
| End Cap Configurations | Flat Gasket or Double O-Ring |
| Core Material | Polypropylene |
| Media Components | Cellulose, Diatomaceous Earth (DE), Perlite, Activated Carbon (Model dependent) |
Data sourced from manufacturer specifications clearsolutionscorp.com.
Applications by Industry
The ErtelAlsop Pak® filters are versatile enough to serve a wide range of industries:
| Food & Beverage | Clarification of syrups, distilled spirits, wine, and removal of hazes. |
| Pharmaceutical & Cosmetics | Filtration of perfumes, botanical extracts, and active ingredients where product purity is critical. |
| Chemical & Utility | Processing dielectric oils, lubricating oils, and coolants using the Disc-Pak® series. |
| Botanical Extraction | Removal of waxes and lipids using DE-impregnated media for high flow rates and superior retention. |
Solving Filtration Problems with Purecowater
Replacing old, leaky plate and frame filters with a lenticular housing and Pak® cartridges can revolutionize your production line. Whether you need the Zeta-Pak® for ultra-fine particle retention or the Disc-Pak® for industrial oil applications, Purecowater provides the expertise to select the right configuration for your facility.
We supply cartridges compatible with vertical and horizontal housings, ensuring you get the comprehensive support required for your specific liquid process.
Ready to optimize your filtration system?
Contact Us Today for a Quote