EEJ – Two horizontal multistage electric pumps + jockey pump

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

EDJ series fire pump set consists of Electric pump + Diesel pump + Jockey pump and all accessories.
The pressure switch and control cabinet can automatically turn on/off three pumps-the electric pump and jockey pump operate when there is electricity and the diesel pump activates when the power cuts.
Flow Capacity Range:50-5000 GPM
Pressure Range:4-14 Bar
Power Range：4-325 KW

The diesel engine fire pump has the advantages of light weight, small size, flexible movement, quick start, fast water discharge time, large fuel tank capacity, corrosion resistance, reliable use, convenient maintenance, etc., fast automatic start and self-priming, and self-priming after dry running. Heavy-duty pump bearings – longer life; other parts are made of high-quality copper and stainless steel or customized by customers. The high-efficiency open impeller design of the diesel engine fire pump can handle large solids and abrasive materials while maintaining a high flow rate, and the large-capacity air treatment can be used for more “well point dewatering projects”.

·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

Using a fire pump efficiently and reasonably is crucial to ensure its optimal performance and effective firefighting capabilities. Here are some key considerations for using a fire pump efficiently:

Proper Sizing: Ensure that the fire pump is properly sized for the specific application.

Regular Maintenance: Perform regular maintenance on the fire pump to keep it in optimal condition.

Optimal Operating Speed: Operate the fire pump at the optimal speed based on the required flow rate and pressure.

Water Management: Manage the water supply efficiently to avoid unnecessary waste.

Training and Familiarization: Provide training to firefighters and operators on the proper operation of the fire pump.

Monitoring and Control: Utilize monitoring and control systems to optimize pump operation. These systems can provide real-time information on flow rates, pressures, and energy consumption. Use this data to adjust operating parameters as needed and identify any anomalies or inefficiencies that may require attention.

Shut Down When Not in Use: When the fire pump is not actively needed, consider shutting it down to conserve energy and reduce wear on the equipment.

Record Keeping: Maintain records of pump operation, maintenance activities, and any performance issues.

Efficient and reasonable use of a fire pump not only helps conserve resources but also ensures its readiness to combat fires effectively. By following proper operating procedures, conducting regular maintenance, and promoting a culture of efficiency among operators, the fire pump can operate optimally and provide reliable firefighting capabilities when needed most.

Fire pumps have a wide range of uses. In addition to providing water for fire-fighting piping systems, they can also be used for industrial water delivery. Fire pumps can also be used for water supply and drainage systems in cities. There are also other relatively long-distance water delivery tasks, such as heating boilers, hot and cold water circulation pressurization of bathroom boilers and multi-stage fire pump furnaces, etc., can all be completed by means of fire pump systems.

Discover how a high-performance diesel-driven fire pump enhances emergency response with continuous operation, fast startup, strong pressure output, and exceptional reliability in demanding firefighting environments. Perfect for industrial sites, remote areas, and critical fire protection systems.

small flow fire pump set ready to dispatch
100gpm 5bar ED fire pump set

Explore the comprehensive advantages and design of diesel engine fire pump units in this detailed article. Learn how these self-powered fire pumps ensure reliable operation, even in power outages, offering unmatched safety and efficiency for industrial, commercial, and remote applications.

As a fixed fire-fighting equipment, the diesel engine fire-fighting pump set has been widely used in fire-fighting diversion, especially for fire-fighting water supply in unexpected situations such as no power supply or abnormal power supply (mains power). The fire pump equipped in the unit is a horizontal single-stage and multi-stage fire-fighting special pump. It is mainly composed of diesel engine, fire pump, connection device, fuel tank, radiator, battery pack, intelligent automatic control panel, etc.

The fire-fighting pressure-stabilizing pump unit consists of a vertical pump combined with a pressure tank. It maintains a stable pressure within the fire-fighting piping network through pressure monitoring and automatic water replenishment. Characterized by a compact design, a fully integrated configuration, and stable operation, it is suitable for fire-fighting water supply systems in both buildings and industrial facilities.

In modern building fire protection systems, energy efficiency and performance have become essential selection criteria. This electric fire pump set perfectly embodies those priorities. Featuring a high-efficiency motor and advanced hydraulic design, it delivers reliable pressure and flow while significantly reducing energy consumption. Its modular construction ensures easier installation, faster maintenance, and a compact footprint suitable for various on-site environments. Equipped with a smart control panel, the system enables automatic start/stop, fault alerts, and enhanced operational safety. Whether for high-rise buildings, commercial complexes, or industrial facilities, this pump set ensures continuous and dependable fire protection.

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. With its lightweight and portable design, coupled with versatile functionality, the EDJ Diesel Engine Fire Pump System is suitable for various scenarios. Whether you are part of a fire department or an industrial enterprise, the EDJ Diesel Engine Fire Pump System is your indispensable rescue partner.

The intelligent fire control cabinet integrates automatic control, remote monitoring, fault alarm, data logging, intelligent linkage, and multiple safety protections. It is suitable for electric fire pumps, diesel fire pumps, and fire water supply systems. The product supports remote communication, automatic start/stop, real-time monitoring, and integration with smart fire protection platforms. It is widely used in industrial, municipal, commercial buildings, data centers, and large-scale fire protection projects, providing efficient, stable, and intelligent control solutions for modern fire protection systems.

1.Flow: 50-5000GPM
2.Head: 3-20Bar
3.Speed: 740-2900r/min
4.Power: Electric pump: 1.5-710 kw, Jockey pump: 0.55-160kw
The EEJ Fire Pump System includes two electric pumps and a jockey pump.With exceptional performance and efficiency, the EEJ Fire Pump System delivers high pressure and large flow capacity, enabling rapid and effective fire suppression.
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.

The horizontal split case fire pump offers high flow capacity, double-suction design, low noise, and easy maintenance—making it the ideal solution for stable fire protection in modern buildings, industrial zones, and municipal projects. Discover its structure, performance, and wide-ranging applications.

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. With its lightweight and portable design, coupled with versatile functionality, the EDJ Diesel Engine Fire Pump System is suitable for various scenarios. Whether you are part of a fire department or an industrial enterprise, the EDJ Diesel Engine Fire Pump System is your indispensable rescue partner.

·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

Fire pumps are necessary to ensure an adequate and consistent water supply for firefighting, especially in buildings or areas with low water pressure. They help maintain the required pressure to operate fire sprinkler systems and standpipes.

Firefighting pumps can be powered by various sources, including gasoline engines, diesel engines, electric motors, and even manual operation in some cases. The choice of power source depends on factors such as portability, availability of fuel, and the intended application.

Automatic control diesel fire water supply units integrate a diesel engine, a high-efficiency fire pump, and an intelligent control system. They have advantages such as automatic start-up, rapid response, independent power supply, stable water supply, intelligent protection, and continuous operation. They can effectively reduce the operational risks of fire protection systems and are widely used in industrial parks, high-rise buildings, commercial complexes, warehousing and logistics, ports, power facilities, and municipal fire protection projects, providing safe and reliable emergency water supply solutions for fixed fire water supply systems.

·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

Vertical fire circulating pumps adopt a high-efficiency hydraulic design and a vertical coaxial direct-drive structure, offering advantages such as continuous water supply, high head, high efficiency, low vibration, energy-saving operation, and convenient installation and maintenance. These products are widely used in fire hydrant systems, automatic sprinkler systems, industrial fire protection, high-rise building fire protection projects, and municipal fire protection engineering. They can be used in conjunction with fire control cabinets, pressure stabilizing equipment, and fire pump systems, providing a stable, reliable, and efficient circulating water supply solution for modern fire water supply systems.

High-performance fire-fighting pressure tanks have advantages such as stable pressure, rapid response, pressure resistance, corrosion resistance, and intelligent control. They are widely used in commercial buildings, high-rise projects, and large-scale fire protection systems to improve the stability of fire water supply and fire safety assurance capabilities.

Skid-mounted diesel fire pump units integrate diesel power, high-efficiency centrifugal pumps, and intelligent control systems. They offer advantages such as emergency start-up in the event of a power outage, rapid installation, stable operation, and convenient maintenance. They are suitable for industrial plants, warehousing and logistics, municipal and emergency fire water supply systems.

The conventional electric pump is the main pump, the diesel engine pump is the backup pump, and the voltage stabilizer pump plays a role in the stabilization of the whole system. When the electric pump fails or the mains is cut off, the control cabinet will receive the pressure gauge from the electric contact. When the signal comes, the diesel engine pump will be started within 5 seconds, and the rated working condition will be reached within 20 seconds to ensure the normal operation of the fire extinguishing work.

While fire pumps are designed to run for extended periods during emergencies, continuous operation under normal conditions is not recommended. Prolonged operation can lead to wear and tear, and regular testing is preferred over continuous running.

·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

BETTER auto-start diesel fire pump system offers independent, intelligent fire protection for industrial and municipal use. NFPA20 & CE certified.

The ED Dual-Power Fire Pump System combines electric and diesel engine pumps to ensure uninterrupted fire protection and a reliable water supply. In the event of power outages or electrical failures, the diesel engine pump seamlessly takes over, guaranteeing continuous operation of the fire protection system. This dual-power configuration offers both reliability and flexibility, providing comprehensive coverage for fire safety needs.