Gas-fired boilers use gaseous flammable gases (including liquefied combustible gases) as fuel. These gaseous fuels have relatively higher calorific value and less pollutant emissions, and are gradually becoming popular among corporate users.
Some common gas-fired boilers and gas fuels are mainly these types. The small-scale boilers are simple to introduce to you, and compare the cost-effectiveness of each fuel.
1. LPG (Liquefied Petroleum Gas): LPG
Main ingredients: propane, other ingredients: butane, ethane, etc.
The calorific value is approximately 46,000 KJ/kg.
2. LNG (Liquefied natural Gas): natural gas
Main components: methane, a small amount of ethane and other gases
The calorific value is approximately 8600 Kcal/Nm3.
3. Gas
Gas hungry components are more complex, with a calorific value of about 3000-4000 Kcal/Nm3.
4. Air mixing (LPG-AIR)
A mixture of liquefied gas and air with a calorific value of approximately 9000-10000 Kcal/Nm3.
Comparison of calorific value: liquefied petroleum gas>air-mixed gas>natural gas>gas
Economic level: gas > natural gas > air admixture > liquefied petroleum gas.
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.






