Applications of diesel fire pump system

EDJ fire pump is a kind of electric and diesel engine dual-drive fire water supply equipment designed and manufactured by Better Technology Co., Ltd. according to the <> standard, and has obtained 3CF certification. Better dual-power fire pump has many models and can be customized according to needs.

·UL Standard
Flow：50-3000 GPM
Head： 5-20 Bar (72.5-290 psi)
Speed：740-2900 r/min
·Non-UL Standard
Flow：30-9000 GPM
Head： 3-20 Bar (40-300 psi)
Speed：740-2900 r/min

The EDJ Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations.

Electric fire pumps are used in various water environments, not only to meet the general water supply but also to be a good helper for fire-fighting water. The electric fire pump is manufactured with good structure and workmanship. It has a wide range of performance, and is easy to use and operate for a long time. The electric fire pump is aimed at various fire water environments, so the selection should also be based on the actual demand environment, performance parameters, etc.

The EEJ Pump Set is designed according to the customer’s specifications which is including 2 electric pumps, 1 jockey pump and 1 control panel.

EDJ diesel engine fire pump is used for various fire hydrants and sprinkler fire main pumps; it is suitable for various fire boosting and pressure stabilizing pumps; various villas, residential areas and other fire protection systems; industrial and civil building fire protection systems; suitable for Various oil depots, oil loading and unloading docks, logistics parks and other places with high fire protection requirements.

Fire pump systems play a crucial role in fire protection. When selecting a system, it is essential to consider factors such as building size, flow requirements, head pressure, and power source to ensure stable water supply in emergencies. Properly matching the pump model not only prevents overload or mismatches but also extends the equipment’s service life. Additionally, focus on product quality, manufacturer credentials, and compliance with national and international standards. Regular maintenance and inspections after installation further enhance the system’s overall safety and reliability.

If the fire pump is corroded, it should be inspected by a qualified professional. Depending on the extent of the corrosion, the pump may need to be repaired or replaced. The professional may also need to inspect the entire system for any other potential issues. In some cases, a fire pump may need to be replaced if the corrosion is severe and cannot be repaired.

The fire pump unit can be classified according to the following rules:
1 according to the form of power source, it can be divided into:
A) diesel engine fire pump unit
Motor fire pump unit
C) gas turbine fire pump unit
D) gasoline engine fire pump unit
(2) it can be divided into:
A) water supply fire pump unit
Stabilized pressure fire pump unit
C) hand lift motorized fire pump unit
3. According to the auxiliary characteristics of the pump unit, it can be divided into:
A) common fire pump unit
Deep well fire pump unit
C) submersible fire pump unit
The above is the basic classification, but various types can be combined with each other, such as medium and low pressure fire pumps, high and low pressure vehicle fire pumps, ordinary fire pump sets, electric submersible fire pump sets, etc

This diesel engine fire pump set is engineered to perform in challenging and unpredictable environments. Completely independent of the power grid, it delivers exceptional operational reliability, ensuring continuous water supply in critical moments. Powered by a world-class diesel engine, it features rapid start-up, robust torque, and consistent performance during power outages, extreme weather, or emergencies—making it ideal for mines, chemical plants, airports, and high-rise buildings.

The unit comes equipped with an intelligent control panel offering automatic start/stop, fault alarms, and real-time monitoring for simplified operation and easy maintenance. Its compact design allows it to fit into space-constrained installations. Whether in high-temperature, high-humidity, or freezing conditions, this diesel fire pump system delivers stable and efficient performance—an ideal solution for industrial-grade fire protection.

EDJ fire pump set is composed of electric pump + diesel pump + jockey pump. The pump set adopts ISO pump,ISO series centrifugal pump is a single-stage single-suction centrifugal pump developed by China Better Technology Co., Ltd. with reference to international similar products using modern fluid mechanics to meet the international standard ISO9908 secondary energy efficiency standard.
This product combines the strengths of similar products in China and abroad and is designed with excellent hydraulic models, therefore, its excellent hydraulic performance and structural features ensure that the user can effectively reduce the operating cost of the pump in various applications.

The dual power fire pump is composed of a fire water pump, a double shaft extension motor and a diesel engine. One end of the output shaft of the double shaft extension motor is connected to the input shaft of the fire pump, and the other end of the output shaft of the double shaft extension motor is One end of a clutch is connected, and the other end of the clutch is connected with the output shaft of the diesel engine. The fire water pump, the double-shaft extension motor, the clutch and the diesel engine are all fixed on the base. The double shaft extension motor, the clutch and the diesel engine are respectively electrically connected with a control circuit through an action driving circuit. With dual-power fire pumps, there is no need to configure a second fire pump, which reduces floor space and saves manufacturing costs.

Yes, fire pumps can be integrated with water mist systems, providing a fine water spray for fire suppression. The combined system is effective in controlling and extinguishing fires, especially in enclosed spaces.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar
The EDJ Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations.

UL Standard
Flow：50-3000 GPM
Head： 5-20 Bar (72.5-290 psi)
Speed：740-2900 r/min
Non-UL Standard
Flow：30-9000 GPM
Head： 3-20 Bar (40-300 psi)
Speed：740-2900 r/min

A multistage pump refers to a pump with two or more impellers, which can absorb and press water in stages and multiple stages, so as to lift the water to a high position, and the lift can be increased or decreased according to the needs of the pump impeller. The multistage pump can be equipped with a four-stage motor by increasing the number of impellers when the single-stage pump head needs to be equipped with a two-stage motor, which can improve the service life of the pump and reduce the noise of the unit. It is placed flat on the ground, with better stability, large flow and head, and wider application.

The integrated electric fire pump system, highlighting its compact design, smart control, high efficiency, and ease of maintenance—ideal for various firefighting applications.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar (40-300 psi)
3.Power：Diesel & Electric Pump:1.5-710kw Jockey Pump:0.55-160kw
4.Speed：740-2900 r/min
The EDJ Fire Pump Set includes diesel engine pumps, electric pumps and jockey pumps.
In various fields, our products find applications in large hotels, hospitals, schools, office buildings, supermarkets, commercial residences, subway stations, train stations, airports, various transportation tunnels, petrochemical plants, thermal power plants,oil storage tanks, large warehouses, industrial and mining enterprises, seawater injection, etc.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar 40-300 psi
3.Power：Diesel & Electric Pump:1.5-710kw Jockey Pump:0.55-160kw
4.Speed：740-2900 r/min
The EDJ Fire Pump Set is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water.

Flow: 30-9000 GPM
Head: 3-20Bar
Speed: 740-2900r/min
Material: HT200, SS304, Bronze

The EJ Fire Pump Set is combined an electric pump and a jockey pump.

·UL Standard
Flow：50-3000 GPM
Head： 5-20 Bar (72.5-290 psi)
Speed：740-2900 r/min
·Non-UL Standard
Flow：30-9000 GPM
Head： 3-20 Bar (40-300 psi)
Speed：740-2900 r/min

Diesel engine fire pump is a kind of mechatronics equipment that is directly driven by diesel engine fire pump and can start and complete water supply in a short time. Diesel engine pump set is driven by diesel, no external power supply is required. Diesel engine pump is suitable for agricultural irrigation, emergency rescue, smelting, hangar, petrochemical oil depot, power plant, liquefied gas station, textile and other fire-fighting water supply occasions, especially in the absence of electricity, When the power grid is not satisfied, it is the safest choice to use a diesel engine to drive the water pump.

Measure pump head: Plot flow vs. pressure to establish head-capacity relationships.
Use test results: Compare actual performance to manufacturer data.
Identify pump efficiency: Evaluate power consumption at different operating points.

The fire pumps used in diesel engine fire pump sets can be IS series single-stage type, S, D type series segmental multi-stage type produced by our company. The diesel engines used in this series of equipment are domestic or imported high-quality products, which have the characteristics of good starting characteristics, strong overload capacity, compact structure, convenient maintenance, simple use, and high degree of automation. It is an advanced and reliable fire-fighting equipment.

Diesel engine fire pump is also called “engineering diesel engine fire pump set”. The diesel engine fire pump set has the characteristics of good starting characteristics, strong overload capacity, compact and reasonable structure, convenient maintenance, simple and reliable use, etc. The unit is equipped with protection functions such as overspeed, low oil pressure, three start failures, high water temperature, low oil level, and low battery voltage. It can completely meet the fire water supply in various occasions of warehouses, docks, airports, petrochemicals, power plants, liquefied gas stations, textiles and other industrial and mining enterprises.

Flow: 750GPM

Head:3-20Bar

Speed: 740-2900r/min

Power: Diesel pump / Electric pump: 1.5-710 kw, Jockey pump: 0.55-160kw

The equipment is suitable for fire water supply and emergency water supply in various occasions such as warehouses, docks, airports, petroleum, chemical, factories, power plants, liquefied gas, textiles, ships, cruise ships, etc.

As the core component of a fire protection system, the performance of fire pumps directly affects fire suppression efficiency. To ensure optimal performance, we maintain strict control over every stage, from design and manufacturing to installation and maintenance.

In the design phase, we utilize advanced fluid dynamics technology to optimize the pump structure, minimizing energy loss and maximizing water flow efficiency. The carefully designed impeller and flow channels enable the pump to maintain stable operation under high pressure while reducing noise and vibration, thereby extending its service life.

During the manufacturing process, we select high-strength, corrosion-resistant materials such as stainless steel and ductile iron to ensure durability in harsh environments. Precision machining and rigorous quality inspections guarantee that every fire pump meets industry standards before leaving the factory.

Proper installation is equally critical. Our professional team develops the best installation plan based on the site environment, ensuring tight pipe connections, smooth water flow, and stable electrical control system operation. The integration of intelligent control systems allows for automatic start-stop functions and remote monitoring, significantly improving response speed and operational convenience.

Finally, regular maintenance and inspection are essential for long-term efficiency. Our comprehensive after-sales services include routine inspections, spare parts replacement, and remote troubleshooting, ensuring the pump remains in peak condition.

Through scientific design, high-quality manufacturing, expert installation, and thorough maintenance, our fire pumps provide reliable fire protection solutions, helping to build highly efficient and secure fire suppression systems.

3 sets 100gpm 7bar EDJ fire pump set

Fire pump set test mainly tests pressure and flow. In all pump products, pressure and flow and two extremely important parameters. Pressure determines the pumping height or water delivery height of the pump, and flow determines the hourly water output of the pump. In addition. Product power and voltage, as well as environmental testing is also essential.