CHVAC (Shanghai) Machinery Co., Ltd., established in 1999, specializes in the trade of large, new, and pre-owned refrigeration units and HVAC solutions. The company’s extensive product range includes:
New and ex-stock centrifugal chilled water air conditioning units
Screw chilled water and heat pump ice-making units
Air-cooled screw cooling and heating units
Air-cooled vortex cooling and heating units
Air-cooled piston cooling and heating units
Centrifugal screw compressors
Host machine accessories
Why Choose Us?
Affordable parts
We provide parts at the lowest prices, making it economical to maintain your product and keep it running efficiently.
24/7 service centers
Our service centers operate around the clock, offering support whenever you need it, including evenings and weekends.
Rich experience
The company has long market experience and stable technical skills. The team understands project needs and offers clear solutions. Customers receive reliable support in every step.
Integrated business system
The company covers chiller sales, parts supply, and maintenance service. It manages multiple CHVAC brand companies in China and overseas. Customers get full support from one service platform.
Natural draft cooling towers
As their name implies, natural draft cooling towers rely on natural convection to circulate air throughout the tower, which then cools the water. Air movement occurs due to differences in density between the entering air and the internal air within the tower. Warm, moist air, which is denser than cool air, will naturally rise through the tower, while the dry, cool air from outside will fall, creating a constant cycle of airflow.
Cooling tower build type
Cooling towers can differ by build as well as heat transfer and air generation methods. When it comes to cooling tower build, there is the:
Package type. These are small, compact, and pre-fabricated cooling towers used for smaller industries, such as hospitals or schools. These are factory-fabricated and shipped on trucks.
Field erection type. These are large, specified units used for power plants and other larger industrial factories. These are fabricated on-site and are larger than a typical house.
Mechanical draft cooling towers
Unlike natural draft cooling towers, mechanical draft cooling towers employ fans or other mechanics to circulate air through the tower. Common fans used in these towers include propeller fans and centrifugal fans. Mechanical draft towers are more effective than natural draft towers, and can even be located inside a building with the proper exhaust system. However, they consume more power than natural draft cooling towers and cost more to operate as a result.
Crossflow towers
In a crossflow tower, air flows horizontally through the cooling tower’s structure while hot water flows downward from distribution basins. Crossflow towers can be as tall as counterflow towers, but they’re also more prone to freezing and are less efficient.
Counterflow cooling towers
This type of cooling tower moves air upward through the tower while water flows downward to cool the air. These towers are often more compact in footprint than crossflow towers and can save energy in the long run.
Power plants
You’ve probably seen those massive chimney-like structures that spew steam into the air next to power plants. Those are the most prominent examples of cooling tower applications in industry – power generation. In this particular sector, where efficiency and safety are paramount, cooling towers are of critical importance.
They dissipate a formidable amount of heat generated during electricity production, maintaining the optimal working conditions of equipment, thereby ensuring peak efficiency of the power generation process.
Manufacturing facilities
A wide variety of manufacturing processes, such as those in chemical, petrochemical, and metal industries, generate incredible amounts of heat. In these settings, cooling towers are indispensable, as their cooling capabilities contribute not only to the operational efficiency but, also, to the overall safety of personnel and equipment.
Commercial buildings
Cooling towers are an essential component of large-scale HVAC systems, the likes of those used in massive office buildings, hotels, and shopping malls. While heat generated in these facilities is negligible compared to most others on our list, the imperative of comfort makes cooling towers an irreplaceable part of their infrastructure.
Data centers
In the digital age, ensuring the reliability, efficiency, and longevity of the IT infrastructure is absolutely paramount, and data centers are at the very heart of that infrastructure. These facilities house countless servers, storage systems, networking equipment, and other electronic devices. When combined, these units generate substantial amounts of heat, and cooling towers are the only devices with enough heat dissipation power to keep them from overheating.
Pharmaceutical:
Maintaining precise temperatures for chemical reactions and product preservation;
Food & beverage:
Ensuring the quality and safety of products;
Textile:
Expediting and stabilizing dyeing and finishing processes;
Breweries & distilleries:
Maintaining optimal temperatures for fermentation and distillation processes.
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FAQ
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Cooling Tower HKD 616 FLJ C3, Cooling Tower NX1025PAN2FPK, other chiller parts