The use of thermal insulation materials in industrial boilers can effectively reduce the heat loss of the boiler, thereby improving the overall operating efficiency of the boiler. Related tests show that compared with boilers that do not use thermal insulation materials, industrial boilers using thermal insulation materials can save at least 20% of the input cost per year, which is enough to see the importance of thermal insulation materials to industrial boilers.
At present, there are many types of insulation materials on the market, mainly rock wool, aluminum silicate fiber cotton, etc.; aluminum chlorate fiber cotton is mostly used for boiler insulation.
So, what is the appropriate range for the thickness of the insulation material used in industrial boilers? The Qiugong of Zhengzhou Fangkuai boiler manufacturer will answer for you.
The insulation thickness of the thermal insulation material selected for industrial boilers needs to be calculated. It needs to be calculated according to the internal temperature, the external surface temperature requirements or the heat loss requirements. The heat preservation of the boiler body and pipes is generally between 100mm-200mm. If you feel this calculation method is more difficult, you can remember this sentence: if the internal temperature is high, keep it thicker, and if the temperature is low, keep it thinner.
We, Zhengzhou Fangkuai Boiler Co., Ltd. (Fangkuai), are excited to announce our participation in the Indonesia International Heating Technology Exhibition 2025. We will be showcasing our advanced boiler systems engineered for higher efficiency, lower emissions, and sustainable energy performance. Join us at Booth No. B1-08 from November 5–7, 2025 at the Jakarta Convention Center.
The event brings together EXPO BOILER, EXPO BIOMASS, EXPO PUMPS & VALVES, and EXPO CRANE — creating a comprehensive platform for technology exchange and business collaboration across the industrial heating and energy sectors in Southeast Asia.
At the exhibition, we will present our integrated solutions including biomass boilers, industrial steam systems, and full power plant EPC services. Our products emphasize:
Event Details
Date: November 5–7, 2025
Venue: Jakarta Convention Center, Indonesia
Booth: B1-08
We welcome industry partners, plant owners, EPC clients, and technology scouts to visit our booth and explore collaboration opportunities. Whether you are planning a biomass retrofit, a new power plant EPC project, or seeking high-efficiency boiler equipment, our engineers will be available for technical discussions and project consultations.
Visit our booth / Contact us












Wins Another Invention Patent
Brilliant Glory, Continuing to Write a Brilliant Chapter
Striving for "Innovation" and "Quality"
Focusing on Cutting-Edge Technologies
Creating New Momentum and New Advantages
Promoting the Continuous "Innovation" of New-Quality Productivity
On June 17th, our company was awarded another national invention patent. To date, the company has secured 162 national patents and 13 invention patents, and has been deeply involved in the formulation of eight national and industry standards. We continue to lead industry development with technological breakthroughs.

Overcoming challenges and achieving remarkable results
Attaching great importance to technological innovation
While pursuing superior quality, Fangkuai also attaches great importance to technological innovation.
Developing product diversity
To better meet the diverse needs of consumers, Fangkuai develops diverse product images during R&D and production.
Fangkuai family portrait

Gloriously writing a new journey
The company has always adhered to the philosophy of
"Building Character, Creating Quality Products"
Using technological R&D as the core driving force
Also promoting application
Effectively promoting technological advancement in the industry and engineering products
Future

Continued
Scientific and technological R&D and technological achievement transformation
Generate more core independent intellectual property rights
Solidly promote the company's high-quality development