What is cooling tower fill?

If you’ve never worked in a cooling tower you might be tempted to think that the heart of a water cooling tower is the water. While the purpose of a cooling tower revolves around water, the true heart of any cooling tower is the fill.

Fill, or wet deck or surface, is a medium used in cooling towers to increase the surface area of the tower. Increased surface area allows for maximum contact between the air and the water, which allows for greater evaporation rates.

Splash vs. Film Fill

There are two basic types of fill: splash fill and film fill. Splash fill is designed to interrupt the water and cause, as the name suggests, splashing. Film fill, on the other hand, is made up of sheets of material that the water travels across. Pieces of fill are assembled together to create larger blocks which, in turn, are used to create various thickness and heights to suit the particular cooling tower they will be used for.

If you have any other question of cooling tower fill, please feel free to contact us.

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