How Filter Elements Work – Part 1

To help you understand how filters work and make sure that you are purchasing the best product for your situations we have made a two part guide to go over our elements.

What is the difference between a depth filter and surface filter element?

This is a good place to start as this is a common question we get asked a lot. Below we describe the different types in more detail to help you get a better understanding.

Depth Filters

Depth filter elements generally consist of a layer of microfibers of varying thickness. The structure of depth filter elements consist of individual microfibres entwined with each other in a random pattern, resulting in a uniform porous structure. Particulates are trapped within the depth of the elements.

Borosilicate Glass Microfibres - Depth Filter
Borosilicate Glass Microfibres – Depth Filter

Surface Filters (Sieving)

With surface or sieve filter elements, separation of particles takes place on a surface positioned to the direction of flow. Because there is only one effective layer of filter media the service life of these elements is less than a depth filter. Stainless steel mesh elements are typical surface filters.

Stainless Steel Filter Element
Stainless Steel Filter Element – Single Layer Mesh


More Infomation

Next time we will talk about the physical principles involved in filtration. In the mean time if you need more information or maybe want to ask us something special? Just let us know if you have any questions. Contact us on +44 (0)1634 724224 or email us at [email protected]



Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *