How Do High-Performance Diesel Engines and Backup Systems Improve the Reliability of Firefighting Systems?

Flow: 14-2700 GPM
Head: 12-80 meter
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.

This is a set of EDJ fire pump set, which consists of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the joceky pump detects that the electric pump cannot operate normally, the diesel engine pump will start automatically. Can also be used, the fire pump set is widely used in various emergency firefighting occasions.

The diesel engine fire pump is suitable for unattended emergency water supply systems. The product has the characteristics of good technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. pipe network pressure.

This fire pump is equipped with an automatic monitoring and alarm system, which allows real-time monitoring of the pump’s operational status and sends timely alerts in case of any abnormalities. Users are immediately notified of any issues, enabling them to take appropriate action in the shortest possible time. This significantly enhances operational safety and effectively reduces the risk of equipment failure. The introduction of an intelligent control system ensures that the pump automatically starts when needed and maintains efficient operation, guaranteeing the reliability and timely response of the fire protection system. Additionally, the high-performance design and durability of this fire pump ensure stable performance in various environments, providing sustained, efficient water supply over extended periods.

Yes, fire pump rooms must meet certain requirements, including adequate ventilation, drainage, lighting, and accessibility. The room should also be protected from flooding and fire and have a reliable power supply.

With the continuous progress of the times, the application of diesel engine fire pumps is becoming more and more extensive. Diesel engine fire pump is a common necessary facility. Only when the fire signal comes, and the electric water pump fails or the power supply is cut off, the diesel engine fire pump will automatically start. The diesel engine fire pump is installed together with the electrical instrument, with complete functions, compact structure, automatic fault alarm, accepting the starting signal, and can automatically complete the starting procedure and run at full load quickly. When the diesel engine fire pump is insufficient in fuel, low battery voltage, and high lubricating oil temperature , enough to ensure that the diesel engine fire pump starts in a low temperature environment, the entire system of the diesel engine fire pump is safe, reliable, and easy to use.

The function of diesel fire pump is very powerful, we can set the control time during use, for example: preheating in advance, preparatory lubrication or timing start. The use of high-tech has made some complicated and time-consuming things easier in the past. The preheating setting greatly reduces the preparation time for rescue, allowing firefighters to rescue the first time. In the face of disasters, time is money and time. is life.

The enclosed diesel engine fire pump unit offers low noise, strong dust resistance, and easy maintenance—making it ideal for hospitals, data centers, and underground facilities. A high-performance, reliable fire protection solution for modern industrial and commercial sites.

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.

Yes, there are regulations and standards set by local, state, and national authorities that dictate the installation, testing, and maintenance of fire pumps. Compliance with these regulations is essential for ensuring the effectiveness of fire protection systems.

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.

Fire Pump Set Components :
Electric pump:kinds of end suction pump, split case pump, multistage pump. made of cast iron, stainless steel. Impeller can be bronze.
Diesel pump:Flow is the same with electric pump. It connects the pump set with High elastic coupling or universal joint. It also includes water tank, oil tank, fans, control screen etc.
Jockey pump:horizontal or vertical, small flow, head is higher than electric or diesel pump
Control panel:control the pumps automatically with overload, overcurrent protection

Flow: 30-9000GPM
Head: 3-20Bar
Speed: 740-2900r/min
Frequency: 50 HZ or 60 HZ

The ED Fire Pump Set combines electric and diesel engine pumps to ensure uninterrupted fire protection and a reliable water supply.
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.

When installing a fire pump, it is essential to adhere to specific requirements to ensure its proper functionality and compliance with safety standards. Here are some important installation requirements to consider:

Codes and Standards: Familiarize yourself with local fire codes, regulations, and industry standards applicable to fire pump installations.

Location and Accessibility: Choose an appropriate location for the fire pump that allows for easy access, maintenance, and serviceability.

Foundation and Mounting: Ensure that the fire pump is installed on a stable and level foundation capable of supporting its weight and minimizing vibration.

Electrical Connections: Electrical connections should be performed by licensed electricians following electrical codes and regulations.

Water Supply: Ensure an adequate and reliable water supply for the fire pump.

System Piping and Valves: The piping system should be installed following the pump manufacturer’s specifications and relevant standards.

Controls and Monitoring: Install the pump’s control panel and associated instrumentation according to manufacturer guidelines.

Testing and Commissioning: Thoroughly test and commission the fire pump system before placing it into service.

Documentation and Training: Maintain comprehensive documentation of the installation, including drawings, equipment specifications, test reports, and maintenance records.

It is crucial to consult with fire protection professionals, including fire engineers and pump manufacturers, to ensure compliance with all relevant requirements during the installation process. Proper installation is essential for the reliable operation of the fire pump and the safety of the facility and its occupants.

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.

The EDJ fire pump group is composed of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the stabilized pump detects that the electric pump cannot operate normally, the diesel engine pump will start automatically. Can also be used, the fire pump set is widely used in various emergency firefighting occasions.

·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

Outdoor fire pump set
The box type double power fire pump is easy to install and does not need to build another pump room. The complete set of equipment leaves the factory with simple operation and reliable performance.

1. Electric fire pump: various end suction pumps and split pumps.
2. jockey pump: vertical, small flow, higher lift than electric or diesel pumps.
3. Control panel: Automatically control the water pump with overload and overcurrent protection.
4. Accessories: suction pipe, discharge pipe with flange, battery, gate valve, check valve, flexible expansion joint, pressure switch, pressure gauge, base, etc.

Single-stage fire pumps have only one impeller, and multistage fire pumps can have two or more impellers. Because the pump core in them is different, the structure is different. The impeller of the multi-stage pump is more than that of the single-stage pump, which can achieve a larger head at the same flow rate. The multi-stage pump is the sum of the single-stage pumps, and the head and outlet pressure can be made very high.

The fire pump set consists of two electric pumps & jockey pump along with control panel and accessories. It means duty pump and standby pump are electric pumps, without diesel engine pump. The fire pump set is designed to meet 65m³/h@60m.

EDJ fire pump set is composed of electric pump, diesel pump and stabilized pressure pump. In daily use, as an auxiliary pump, the stabilized pressure pump keeps the existence of liquid (water) in the fire pipeline at all times, and the electric pump works as the main power pump in normal work. When the circuit system is burnt out due to a serious fire, the diesel pump will start instead of the electric pump within ten seconds, which will not be affected by the circuit and complete the fire fighting work. In recent years, EDJ fire pump group has gradually become the first choice of fire protection systems in various office buildings and residential buildings, and its safety

Building occupants should receive training on the location and proper use of firefighting equipment, including fire pumps. Regular drills and educational sessions contribute to increased awareness and preparedness during a fire emergency.

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.

1. The fire pump should be capable of supplying the rated flow and pressure for a duration of two hours, at a rate of 150% of the rated capacity, and should not be affected by prolonged operation.

2. The fire pump should be able to start up automatically by a power source when activated.

3. All switches, gauges, alarms, controllers and monitoring systems should be certified to UL and FM standards.

4. The fire pump should be sized to meet the NFPA 20 standard for fire pump design.

5. The fire pump should be able to handle the maximum system flow and pressure required for the building.

6. The fire pump driver should match the requirements of the pump and meet NFPA 20 requirements for fire pump drivers.

7. The fire pump should be installed according to NFPA 20 standards for fire pump installation.

8. The fire pump should be tested and inspected in accordance with NFPA 25 standards for testing and inspection of fire pumps.

·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

ZJ-BETTER industrial diesel fire pump packages provide reliable emergency fire protection for large buildings and petrochemical projects, featuring auto control, corrosion resistance, and NFPA 20 compliance for critical fire safety assurance.

Heavy-duty fire pump equipment is designed specifically for the oil and gas industry. It features high flow, high head, corrosion resistance, and intelligent control. It can adapt to extreme environments and ensure long-term stable operation, providing reliable fire safety solutions for oil fields, refineries, storage and transportation stations, and offshore platforms.

– Marine-Grade Materials: Using materials that can withstand the corrosive marine environment.
– Integration with Ship Safety Systems: Coordinating with onboard safety systems for comprehensive fire protection.
– High Capacity Systems: Providing high-capacity systems to handle fires on large ships and offshore platforms.
– Compliance with Maritime Safety Standards: Adhering to fire safety regulations specific to the shipping and maritime industries.

The conventional electric pump is the main pump, the diesel engine pump is the backup pump, and the jockey 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.