Industry-Leading Filter Cartridges for Industrial, Life Sciences and Water Applications
Filter cartridges are one of the most standard filtration formats requested by customers and Pall offers over 20 different product families to suit a broad array of application requirements. Depending on pore size, construction, and media or membrane selected, they can be used for pre-filtration, membrane filtration, and final (or polishing) filtration. Designed to fit in most standard filter housings, capsules and casings, Pall’s filter cartridges are available in:
- Four construction configurations (Depth, Pleated Depth and String or Spiral Wound)
- Multiple pore sizes (removal) ratings and cartridge lengths
- Standard 2.5 inch OD with multiple length options (Also available in larger formats)
Why Pall? Pall offers a comprehensive range of filter elements in nominal and/or absolute removal ratings, ensuring the optimum filtration solution for virtually every fluid filtration challenge. Additionally, Pall filter cartridges have broad fluid compatibility and are manufactured from 100% synthetic materials with low disposal or incineration costs.
About Filter Cartridges: Cylindrical filter cartridges are used to fulfill particulate control and fluid cleanliness requirements by removing solid contaminants from water, oils, solvents, fuels, aqueous solutions and other process fluids. Disposable, filter cartridges are generally categorized as either a prefilter (rated for particulate removal) or a membrane filter (rated for final filtration or microbial removal) and may be classified as either sterilizing grade or reducing grade.
Generally, coarse pore size removal rated filters will be used as a pre-filter upstream in a process whereas finer pore size membrane filters will be used downstream in final filtration. Filter cartridges use a direct-flow membrane type filtration method using either depth or surface filtration. A filter with a uniform pore design will trap contaminants larger than the pore size of the media on the surface, whereas a depth filter will capture contaminants at multiple levels within the tapered pore structure.
Common materials of construction for the filter cartridge media or membrane can include: Cotton, cellulose, glass fiber, polypropylene, nylon, polyphenylene sulfide (PPS) and other polymeric materials. For the removal of coarse particulates (usually over 5 micron), generally a nominal or sometimes absolute rated filter is considered. In more critical micro-filtration (fine prefiltration and final filtration) with requirements under 5 micron (µm), an absolute rated prefilter or membrane filter may be used.
Food Contact Compliance (W-Code) Filters
Food contact compliant filters are available. Cartridge filter products may be noted with “W” or “W480” in the part number or material description. When in doubt, contact a Technical Specialist to confirm product specifications and compliance.
Please refer to the following link for a Declaration of Compliance to specific National Legislation and/or Regional Regulatory requirements for food contact use, and to consult applicable part numbers.
In addition, the following link is available to review the Technical Guidance for Food Contact
Pharmaceutical GMP Q Grade
The application of Good Manufacturing Practices (GMP) within Active Pharmaceutical Ingredients (API) processes as described in the ICHQ7A guidance document is becoming increasingly important. Pall Q Grade cartridges are high quality, economical filters aimed specifically at applications within API processes. These products are supplied with a “Q” certificate of quality, incorporating essential product and manufacturing quality details.