Some residential heating boilers with long residence time generally use normal pressure or pressure hot water boilers, but most of these boilers have the defects of complicated system, high operating cost, easy scaling, and serious influence by oxidation and corrosion. In recent years, vacuum hot water boilers have been widely favored by the heating industry, and because of their good safety performance and low floor space, they are very suitable as building heat sources.
The vacuum hot water boiler produced by FANGKUAI Boiler has the following advantages:
1. The boiler has good safety performance. The inner body of the vacuum hot water boiler has been kept in a negative pressure operation state, and even if there is a sudden failure, it will not cause a dangerous situation of outward explosion.
2. The actual thermal efficiency is extremely high. Due to the small heat capacity of the boiler, the heating time is short, and the heat loss of start-stop is low. At the same time, the high-quality insulation material is used to reduce the heat loss to an extremely low level, and the actual running heat efficiency is greatly improved.
3. Long service life. The boiler is kept in closed operation. The heat medium water is injected once before leaving the factory, and is treated with deoxidation and softening. It does not need to be replenished in the later stage of use, and it will not scale and ensure the long-term normal use of the boiler.
4. Little impact on air pollution. The vacuum hot water boiler produced by Fangkuang boiler adopts advanced combustion technology such as full premixing and FGR to greatly reduce the emission of harmful substances such as nitrogen oxides (NOx). The use of condensers and economizers makes full use of flue gas waste heat. Not only does it reduce the exhaust gas temperature, but also reduces NOx emissions, which is extremely environmentally friendly.
5. Small footprint. The vacuum hot water boiler produced by FANGKUAI Boiler adopts Ultagen high-quality heat exchange component-winged tube, which increases the heat exchange area by 5 times compared with the ordinary boiler heat exchange tube, the heat exchange efficiency is greatly improved, and the overall volume of the boiler is also reduced. It is the best choice for many shopping malls, hotels, schools, enterprises and institutions.
Recently, Zhengzhou Fangkuai Boiler Sales Co., Ltd. traveled to Dhaka, the capital of Bangladesh, to attend the Bangladesh International Textile, Knitwear & Garment Industry Exhibition (BTKG 2026). It showcased industrial thermal equipment and system solutions adapted to the whole process of textile printing and dyeing, actively expanding the South Asian market.
Bangladesh is an important global producer and exporter of textiles and garments. As a pillar local industry, the textile sector has long-term and strong demand for high-efficiency, stable and energy-saving industrial boilers and thermal equipment, with broad market potential. This exhibition participation is an important measure for Zhengzhou Fangkuai Boiler Sales Co., Ltd. to advance its internationalization strategy and further explore overseas markets.

Relying on its technological accumulation and manufacturing advantages in the field of thermal energy equipment, the company provides targeted thermal energy solutions for local textile, printing and dyeing, garment manufacturing and other industries, helping enterprises improve production efficiency and reduce operating costs. In the future, Zhengzhou Fangkuai Boiler Sales Co., Ltd. will continue to focus on overseas market demands, continuously optimize its product and service system, facilitate the high-quality development of the global textile industry with professional and reliable products, and steadily enhance the brand’s competitiveness and influence in overseas markets.

Trust stems from quality
At the beginning of the new year, Fangkuai Boiler and a leading domestic new energy company have reached another important cooperation, successfully signing an order for a total of 500 steam tons.






