Large Flow Diesel Engine Fire Pump

Diesel engine fire pump units offer autonomous startup, powerful water delivery, and excellent adaptability, making them essential fire protection equipment for critical facilities such as petrochemical plants, airports, and data centers, meeting modern intelligent and high-reliability safety standards.

Fire pumps can be integrated into smart building systems through advanced controllers and sensors that allow for remote monitoring and control. These systems can track the performance of the fire pump, alert maintenance teams to potential issues, and even adjust pump operation in real time to optimize efficiency and response during emergencies.

The DJ Fire Pump Set is a combination system consisting of a diesel engine pump and a jockey pump, designed for fire safety in the construction and industrial sectors. This system utilizes the powerful power output of the diesel engine pump, ensuring reliable operation even in the event of a power outage. The jockey pump maintains a constant water pressure, optimizing the performance of the fire suppression system. The DJ Fire Pump Set offers a reliable and efficient solution for prompt response to fire incidents, making it an essential component for protecting property and ensuring occupant safety.

·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

Many people buy fire pumps for the first time and don’t know how to choose a fire pump. They know very little about fire pumps and don’t know how to choose. So today, on the issue of fire pump selection, here is a explanation for everyone to help you better choose a more competitive fire pump.

The minimum fire rated pressure of small fire fighting package set water supply equipment is 6 bar, and the minimum fire rated capacity is 25 GPM. EDJ small fire fighting package set water supply equipment includes at least two power or power source driven pumping units, pressure tanks, pipes, valves and accessories, measurement and control instruments, control cabinets, outdoor rain cover, etc.

The engine provides the power necessary to drive the pump, allowing it to generate the high-pressure water or firefighting agent needed to combat fires.

This electric fire pump system features an integrated design that combines the pump, motor, control panel, pressure tank, and other core components on a single base. Its compact structure minimizes the footprint, making it ideal for space-sensitive installations.
Fully assembled and tested before delivery, this unit only requires connection to inlet/outlet pipes and a power source on-site—enabling fast and easy commissioning while significantly reducing installation time.
The intelligent control panel supports automatic start/stop, pressure monitoring, and fault alarms, offering high stability and quick response. It is especially suitable for commercial buildings, residential complexes, and industrial facilities that demand high fire protection performance and system reliability.
This is an efficient, safe, and easy-to-install solution tailored for modern fire safety systems.

The DJ fire pump set consists of a pump connected to the diesel engine, jockey pump, pressure vessel, controller for manual or automatic operation of the system and standard accessories mounted on the base. The fire pump system can be customized for different uses, such as high-rise buildings, facilities, hospitals, supermarkets, shopping malls, villas, apartments, etc. This fire pump set can be used in fire hose and fire hose reel systems, fire sprinkler systems, fire water monitoring systems, fire alarm systems and fire hydrant systems.

Electric fire pump sets offer energy-saving, high-efficiency, zero-emission, and smart control features, making them the ideal fire protection solution for green buildings. This article explores their key benefits in sustainability, reliability, installation, and maintenance, supporting carbon reduction goals

1.Flow：30-9000 GPM
2.Head： 3-20 Bar
The DJ Fire Pump Set is a combination system consisting of a diesel engine pump and a jockey pump, designed for fire safety in the construction and industrial sectors. This system utilizes the powerful power output of the diesel engine pump, ensuring reliable operation even in the event of a power outage.

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.

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.

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

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

This diesel engine-driven fire pump set is engineered for emergency water supply in critical environments. Featuring powerful performance, fast start-up, and stable operation, it integrates a globally recognized diesel engine and a high-efficiency centrifugal pump for continuous duty. The compact design ensures easy installation and maintenance, while the intelligent control panel supports auto start, fault alarms, and remote monitoring. Built to withstand harsh conditions like high temperature and humidity, this pump set meets international standards such as NFPA 20, making it ideal for petrochemical plants, power stations, storage facilities, and high-rise buildings.

100gpm, 7bar EDJ fire pump set & 50gpm, 6bar ED fire pump set

The EJ (Electric pump + Jockey pump) Dual Power Fire Pump System is an innovative and reliable fire protection solution. Combining an electric pump for robust water pressure and flow with a top-quality jockey pump for stable pressure maintenance, this system ensures efficient and timely water supply during fires. With advanced automation, remote monitoring, and energy-saving features, the EJ Dual Power Fire Pump System is a trusted choice for commercial, industrial, and residential applications.

Flow: 30-9000 GPM
Head: 3-20Bar
Speed: 740-2900r/min
Material: HT200, SS304, Bronze
The EJ Dual Power Fire Pump System is an innovative and reliable fire protection solution. Combining an electric pump for robust water pressure and flow with a top-quality jockey pump for stable pressure maintenance, this system ensures efficient and timely water supply during fires. With advanced automation, remote monitoring, and energy-saving features, the EJ Dual Power Fire Pump System is a trusted choice for commercial, industrial, and residential applications.

Fire pumps require regular maintenance to ensure their reliability. Maintenance tasks include routine inspections, lubrication, testing, and exercising the pump to prevent corrosion and ensure proper functionality.

The fire pump controller monitors and controls the operation of the fire pump. It ensures that the pump starts automatically when needed, maintains proper pressure, and follows safety protocols.

ED small fire pump set (referred to as ED small fire complete set of water supply equipment) refers to a highly integrated electromechanical system with a flow rate of less than 100GPM and composed of electric centrifugal pumps, multi-stage centrifugal pumps (booster pump sets), diesel engine centrifugal pumps, pressure limiting protection Device (safety valve), valve fittings, control system, pressure sensor system, waterless protection device, backflow preventer, soft joint, bypass pipeline, common base, filter, etc. It is a fire-fighting water supply equipment that continuously supplies water to the fire-fighting pipe network at a preset pressure.

We may encounter fire disasters in our lives. Once these things happen, we must take corresponding remedial measures, so fire extinguishing is an inevitable measure. At this time, fire pumps play an important role in fire extinguishing.

Diesel engine fire pumps are usually used as a backup facility, and will only start automatically when the electric water pump fails or the power is cut off when the fire signal comes. When equipped with an ultra-low pressure pump starting device, the matching electric pump control cabinet should also be equipped with an ultra-low pressure pump starting device, and the lower limit of pump starting should have a certain pressure difference. Of course, it is also possible to design a control system that is more suitable for customer needs according to customer requirements.

Diesel engine fire pump can not be short of a good helper, the rapid development of social science and technology, it has been widely used in the society. The use of diesel engine fire pump is very wide, for the fire has played a very important role, with it can also solve a lot of problems we can not solve before, to bring great help to firefighters, save time and effort is out of efficiency.

It is widely used in environmental protection, water treatment, fire protection and other departments. It is used to pump all kinds of liquids. It is the ideal pump and fire protection system to create no leakage, no pollution civilized workshop and civilized factory.

Fire pumps are not always running; they typically start automatically when a drop in water pressure is detected in the fire protection system.

In general, the equipment is designed to have one duty and one standby function. The main pump runs normally, and the standby pump starts automatically after the main pump fault . The Jockey pump will start and stop based on the pipe pressure, when the electric pump malfunction or mains power, control cabinet will receive signals from the electric contact pressure gauges and start the diesel engine pump in 5 seconds, and achieve the rated conditions in 20 seconds, ensure the normal conduct of fire fighting work.

·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 diesel engine fire pump unit is directly driven by the diesel engine fire pump, and it is a mechatronic equipment that can start and complete the water supply in a short time. The diesel engine pump set is driven by a diesel engine without external power supply. Diesel pumps are suitable for fire water supply occasions such as agricultural irrigation, emergency rescue, smelting, hangars, petrochemical oil depots, power plants, liquefied gas stations, and textiles. Especially in the case of no electricity and dissatisfaction with the grid, choosing a diesel engine-driven water pump is the safest choice.

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 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.