Energy-saving heating and air-conditioning systems are essential components of building energy efficiency. Among these, the balancing valve plays a crucial role in both heating and cooling systems. It is a key device for achieving hydraulic balance in hot and cold water systems, effectively addressing thermal imbalances and ensuring even distribution of heat or cooling.
Firstly, the balancing valve is a vital element in the water-saving system. It helps to eliminate imbalances in air conditioning, heating, and hot water systems by regulating flow and pressure, thus enabling precise thermal control. Secondly, it is an indispensable part of the billing system in heating and air-conditioning setups. Only by solving the issue of uneven flow can accurate thermal measurement be achieved.
Thirdly, the balancing valve ensures that the operating points of equipment, pipelines, and pumps align well with their characteristic curves, allowing for efficient and energy-saving operation. This leads to overall energy savings in the heating and air-conditioning system. Additionally, it guarantees safe and reliable operation, creates a comfortable indoor environment for all users, and significantly improves user satisfaction.
Thousands of real-world projects have demonstrated the effectiveness of balancing valves in improving energy efficiency, reducing consumption, lowering costs, and enhancing system reliability. As a result, they have become an essential component in modern HVAC systems.
The first balancing valve in China was developed by Beijing IKON Environmental Technology Development Company. The company pioneered both hardware (the balancing valve) and software solutions to address hydraulic imbalance. It holds the first Chinese patent for balancing valves and has won several prestigious awards, including the Chinese Patent Award for Excellence in Inventions and the Science and Technology Progress Award from the Ministry of Construction and the State Science and Technology Commission. It has been recognized as a national new product and has been promoted by the government.
Since 1989, the company has continuously improved its products, developing third-generation models that are more efficient, aesthetically pleasing, lightweight, and easier to adjust. Over the years, millions of balancing valves have been installed across more than 2,400 projects in 30 provinces and autonomous regions. These installations have led to significant energy savings and economic benefits, making them widely accepted by design departments, thermal companies, real estate firms, and end-users.
The application of balancing valves is expanding rapidly, from megacities to small towns. In the Three North Region alone, about 70 cities have adopted this technology. From heating companies to residential areas, institutions, and factories, the usage has reached over 20 million square meters in thermal companies and 10 million square meters in residential zones. The technology is now used as far south as Haikou and as far north as Harbin, with hundreds of air-conditioning projects benefiting from it.
Government agencies and local authorities increasingly recognize the value of balancing valves in ensuring user comfort, reducing complaints, and delivering social benefits. Heating and property management companies are also becoming more active in adopting these devices, as they help reduce energy consumption, increase heating area, and improve system efficiency.
Design units are also showing growing interest in integrating balancing valves into their standards and designs due to their cost-effectiveness and significant impact on system performance. Their inclusion in design procedures is seen as a critical step toward achieving energy-efficient buildings.
Several large-scale projects have validated the effectiveness of balancing valves. For instance, the Langfang Heating Company, Shitang Camp, Xi'an Huanghe Instrument Factory, and other major facilities saw improvements in temperature control, reduced energy use, and increased user satisfaction. By installing balancing valves, these systems achieved better hydraulic balance, leading to energy savings of up to 15% or more.
In another example, Baoji Thermal Power Co., Ltd. experienced high power consumption due to improper pump operation. After installing balancing valves, the system's efficiency improved, and power consumption dropped by nearly 31.5%. Similarly, in many heating projects, room temperatures became more uniform, reducing the need for excessive heating and saving energy.
Overall, balancing valves are not just technical tools—they are key enablers of energy efficiency, user comfort, and sustainable building practices. Their widespread adoption demonstrates their importance in modern heating and air-conditioning systems.
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