Seitz Filter sheets have a long-lasting tradition of more than 130 years on the market of depth filtration and play a key role within the Pall Depth Filter portfolio. The invention of Seitz filter sheets at the beginning of the 19th century and the market introduction of the Seitz-EK by Theobald Friedrich and Georg Seitz can be regarded as a milestone in beverage production. Back then, the use of Seitz-EK filter sheets allowed for the first time the "cold-sterile" bottling of beverages without the necessity of heat treatment and without noteworthy quality losses. Obviously, this invention can be considered as one of the most important pioneering achievements for the beverage industry.
What are Depth Filter Sheets?
Depth filter sheets are made of cellulose fibers, kieselguhr and perlite. They use surface filtration, depth filtration and adsorbtion as main filtration mechanisms. Both the used materials and the 3 filtration mechanisms provide key benefits to all processes in the F&B industry:
Seitz K Series Depth Filter Sheets
Developed to meet the entire range of removal requirements in the food and beverage industry. Available in multiple grades suitable for microbial reduction and pplications requiring fine, clarifying and coarse filtration.
Seitz T Series Depth Filter Sheets
Designed for coarse filtration. They are characterized by a coarse pore structure and combine high throughput with a high particle holding capacity. The filtration resistance is low so that they prove to be very successful for the filtration of viscous media and for the retention of gel particles or coarse disperse components.
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