Introduction to cooling tower parts
Cooling tower parts are the core components that ensure the long-term stable and efficient operation of the cooling tower. Different accessories each undertake important functions such as heat exchange, air supply, water distribution, anti floating, and structural support. The following is a systematic introduction to common cooling tower accessories, which can be used for product description, technical information, or market promotion content:
The fan is the "heart" of the cooling tower, responsible for drawing air into the tower and removing the heat generated by the evaporation of water. Common materials include aluminum alloy, FRP (fiberglass reinforced plastic), and stainless steel, which have the characteristics of high strength, light weight, corrosion resistance, and low noise. High efficiency fans can significantly reduce energy consumption and improve overall heat transfer efficiency, and are one of the key components for energy-saving renovation of cooling towers.
2. Cooling tower filling (Fill/Packing)
The main function of fillers is to increase the contact area and contact time between water and air, thereby improving heat exchange efficiency. The commonly used materials are PVC, PP or CPVC, which have good temperature resistance and corrosion resistance. According to different structural forms, it can be divided into film type fillers, splash type fillers, and suspension type fillers, which are widely used in power, chemical, steel, and central air conditioning systems.
3. Spray Nozzle&Distribution System
The water distribution system consists of nozzles, water distribution pipes, and brackets, used to evenly spray hot water on the surface of the filling material. High quality nozzles have the characteristics of not being easily blocked, spraying evenly, and having low water resistance, which can effectively avoid local dry areas of the filler, improve heat transfer efficiency, and reduce water pump energy consumption.
4. Drift Eliminator
The water collector is used to recover water droplets carried away by the airflow, reducing water loss and environmental pollution. Usually designed with multiple twists and turns, the float rate can be controlled below 0.001%, while reducing the risk of icing outside the tower. It is one of the key components of environmentally friendly cooling towers.
5. Cooling tower gearbox
The reducer is used to convert the high-speed speed of the motor into the low-speed high torque operation required by the fan, and is an important power component of the mechanical ventilation cooling tower. Its characteristics include high load-bearing capacity, low vibration, long lifespan, and stable operation, commonly found in large industrial cooling towers.
6. Motor
Cooling tower motors are mostly waterproof, moisture-proof, and corrosion-resistant specialized motors, which can operate stably in high humidity environments for a long time. According to application requirements, ordinary motors or variable frequency motors (VFDs) can be selected to achieve energy-saving control and noise regulation.
7. Transmission System
Including couplings, pulleys, belts or direct connection structures, used to connect motors and fans. A reasonable transmission system can reduce energy loss, lower vibration and maintenance costs, and improve equipment reliability.
8. Cooling tower structural parts
The tower frame, air duct, maintenance platform, guardrail, etc. are generally made of FRP, stainless steel or galvanized steel, which has good corrosion resistance and mechanical strength, ensuring the long-term safe operation of the cooling tower in outdoor environments.
9. Cold Water Basin
Used to collect cooled water and reflux it back to the system, usually equipped with a makeup valve, drain outlet, and filtration device to prevent impurities from entering the circulating water system.
10. Silencer&Safety Parts
Including air inlet muffler, protective net, protective cover, etc., it can effectively reduce operating noise and prevent foreign objects from entering the fan area, improving operational safety.
Structural diagram of cooling tower parts
Why are cooling tower parts so popular in the Japanese market
Cooling tower parts are popular in the Japanese market mainly because Japan has extremely high requirements for equipment stability, energy conservation, environmental protection, and precision manufacturing. Many factories and commercial buildings tend to extend equipment life and reduce maintenance costs by replacing high-quality accessories; At the same time, the Japanese market focuses on low noise, corrosion resistance, and safety standards, which has driven a sustained demand for high-performance, long-life, and rigorously certified cooling tower components.
TOP 5 Cooling Tower Parts Manufacturer in Japan for 2026
1. Power Tower Cooling Technology (Shaoxing) Co.,Ltd（China）
Company profile
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". We specialize in manufacturing cooling tower fill, cooling tower fan, cooling tower nozzles, cooling tower reducer, cooling tower motor, etc., widely used in different types and brands of the cooling tower, such as closed loop cooling tower, open type cooling tower,counter flow cooling tower,cross flow cooling tower,BAC cooling tower,Spx cooling tower,liangchi cooling tower,kingsun cooling tower,spindle cooling tower,kuken cooling tower,brentwood cooling tower,evapaco cooling tower and Ebaba cooling tower,etc... The company has over 40 product inventions practical technology patents, and has iS09001, 1S014000, and other certifications.
2. Ebara Corporation
Company profile
Founded in 1912 and listed on the Nikkei 225, Ebara Corporation is a major Japanese industrial machinery maker whose product portfolio extends into cooling towers and critical parts such as pumps, blowers, and chillers. Ebara’s cooling tower solutions and component technology emphasize precision engineering for industrial and environmental applications, making them a go-to supplier for parts that demand reliability and performance in heavy-duty heat-rejection systems.
3. Kobelco Eco-Solutions Co., Ltd.
Company profile
Part of the Kobe Steel Group, Kobelco Eco-Solutions is a leading cooling tower manufacturer in Japan with more than 5,000 installations worldwide across industrial plants, district cooling systems, and commercial facilities. They deliver comprehensive cooling tower systems and related structural parts with a focus on water reuse, durability, and green manufacturing — drawing on decades of experience in large-scale infrastructure and process cooling.
4. BAC Japan Co., Ltd. (Nippon B.A.C. Co., Ltd.)
Company profile
BAC Japan is the Japanese joint venture of the global Baltimore Aircoil Company brand, specializing in manufacturing and selling cooling towers (open and closed circuit), evaporative condensers, and heat exchange systems. Leveraging BAC’s international technology with Japanese manufacturing quality, BAC Japan supports local markets with cooling tower systems and replacement/upgrade parts engineered around energy conservation and sustainability.
5. Murakami MFG. Co., Ltd.
Company profile
Murakami MFG is a Japanese industrial fan and blower manufacturer whose products are key components in cooling towers and other HVAC and industrial systems. With decades of experience producing high-efficiency, low-noise fans and air movement solutions, Murakami parts help improve airflow
