Performing a water pressure test before the boiler is officially started can grasp the problems existing in the boiler early and deal with them in a timely manner. Take oil-fired gas boilers for example.
The hydraulic pressure test of oil-fired gas boilers is generally divided into a hydraulic pressure test and a super-hydraulic test of rated working pressure. The overpressure test pressure of the boiler body is 1.25 times of the rated working pressure of the boiler shell or the rated pressure plus 0.4 MPa.
If one of the following situations occurs, our oil-fired gas boiler also needs to perform an overpressure water pressure test.
1. Before the newly installed boiler starts trial operation;
2. After the boiler's pressure parts have undergone major transformation or replacement;
3. The boiler in operation is performed every six years (combined with overhaul).
If one of the following situations occurs, our oil-fired gas boiler needs to perform a working pressure and hydraulic test.
1. Generally, after large or small repairs or rush repairs, the hydraulic pressure test of the working pressure is performed after the repairs;
2. If the furnace is shut down for more than 30 days, a hydraulic pressure test of working pressure must be performed before ignition.
Previously we said that it was better to perform a hydraulic test for the sake of safety. However, whether it is a steam boiler or a hot water boiler, after the boiler is installed, a hydraulic pressure test (that is, water pressure) must be performed. After long-distance transportation, loading, unloading, and installation, collision and damage are unavoidable. Boiler defects can be found through hydraulic tests, and appropriate measures can be taken in time to ensure the safe operation of the boiler.
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