Top 5 Cooling Tower Filler Manufacturers In US You Should Know
Introduce to Cooling Tower Filler
Cooling tower filler is the core heat exchange component inside the cooling tower. Its main function is to increase the contact area between circulating water and air, enhance heat and mass transfer processes, and thus improve the overall cooling efficiency of the cooling tower. Fillers are usually made of PVC, PP or UPVC materials, and through corrugated sheets, grid sheets or diagonal structures, water forms a uniform thin film or fine water droplets on its surface, prolonging the contact time between water and air and improving the evaporation and heat dissipation effect.
Advantage of Cooling Tower Filler
Cooling tower filler is one of the most important components in a cooling tower. Its job is to increase the surface area and contact time between air and water, improving heat transfer. Here are the key advantages:
1. Increase the heat exchange area and improve cooling efficiency
The filling material increases the water flow distribution area through special ripple, sheet or mesh structures, allowing water to form a thin film or small water droplets inside the tower, greatly enhancing the contact between air and water, thereby improving cooling efficiency.
2. Improve water distribution to make the water film uniform
High quality fillers can evenly distribute water, reduce local dry spots or blockages, and improve the overall stability of the cooling tower.
3. Reduce wind resistance and achieve good energy-saving effect
The design of PVC and PP fillers is reasonable, with low ventilation resistance, which helps to reduce fan energy consumption and improve the overall energy-saving effect of the equipment.
4. Corrosion resistance and long service life
Fillers are often made of materials such as PVC and PP, which have strong acid and alkali resistance, aging resistance, and are suitable for long-term operation in humid and hot environments.
5. Easy installation and simple maintenance
The filling material is lightweight, structurally simple, easy to operate during maintenance or replacement of cooling towers, and has low maintenance costs.
6. Widely applicable and adaptable
Different structures of fillers can be applied to different cooling towers such as counter current, cross flow, sewage type, seawater type, etc., and have good universality.
Why filler is necessary
Warm water entering a cooling tower needs to release heat to the atmosphere. The fill breaks the water into thin films or small droplets, greatly expanding the surface area. This improved air–water interaction helps the tower achieve maximum cooling performance.
How to dissipate heat from filler
The heat dissipation method of cooling tower filler is mainly achieved by increasing the contact between water and air, promoting evaporation and heat transfer. It can be divided into three core principles:
1. Evaporative heat dissipation (most importantly)
When hot water is divided into thin films or water droplets on the surface of the filler, air flows through between the fillers,
Part of the water will evaporate, absorbing a large amount of latent heat (latent heat of evaporation)
This accounts for 70% -80% of the cooling effect of the cooling tower.
2. Convection heat dissipation (hot air takes away heat)
The part of water that has not evaporated is carried away with heat through air convection.
Airflow enters from the bottom or sides, and is in reverse or transverse contact with the water flow, forming forced convection.
3. Heat conduction (small amount)
When water comes into direct contact with air, heat is also transferred through molecular heat conduction, but the proportion is minimal.
Top 10 Cooling Tower Filler Manufacturers In US
1.Power Tower Cooling Technology (Shaoxing) Co.,Ltd（China）
Overview：PT is an excellent domestic manufacturer of cooling tower parts. Since its establishment in 2009, PT has always adhered to the concept of "long-lasting quality and endless innovation".
Fill-Media Focus：PT produces various cooling tower fillers, such as S-wave fillers, cross-flow tower fillers, counter flow tower fillers，round fillers. Various brand fillers: Liangchi, Lanxun, Spindle, Ebara, Kingsun, etc. Materials include PP, PVC, UPVC.The company has over 40 product inventions practical technology patents, and has iS09001, 1S014000, and other certifications.
2.Brentwood Industries, Inc. (Reading, Pennsylvania）
Overview: Brentwood Ind. provides “expertly engineered cooling tower fill, drift eliminators, inlet louvers and other components” for the cooling-tower industry.
Fill-Media Focus: They offer a full line of film fills including cross-fluted, vertical-fluted, offset-fluted and hybrid designs. Their R&D team emphasises balancing high thermal performance with fouling resistance.
3.Tower Components, Inc.（USA）
Overview: A specialist fill-media manufacturer.
Fill-Media Focus: Their “Opti-Pac 1200” is described as a cross-fluted film fill media manufactured from rigid PVC sheets, conforming to the Cooling Technology Institute (“CTI”) Standard 136.
4.Midwest Cooling Towers (Chickasha, Oklahoma)
Overview: They manufacture film-fill media among other cooling-tower parts.
Fill-Media Focus: Their “Film Fill Media” is thermal-formed cellular PVC, with various series (1200 & 1900) offering cross-corrugated flutes, integral louvers & drift eliminators, and anti-fouling vertical flute designs. Key features: PVC construction, self-extinguishing fire rating, UV-protected, quick installation.
5.Universal Tower Parts, LLC (Glendale, Arizona)
Overview: A supplier of cooling-tower parts including fill media; while not purely a manufacturing specialist, they offer a wide variety of fill media and custom packs.
Fill-Media Focus: They provide fill packs like “XF-7500”, “CF-1200”, “CF-1900”, anti-fouling vertical fill, stainless-steel versions for extreme conditions. Their documentation indicates film vs splash fill differences, and emphasize that fills meet/exceed CTI standards.
