Emergency Diesel Fire Pump Set for Locations with Unreliable Power Supply

Split case centrifugal fire pump package with jockey pump control design, delivering high flow, stable pressure and intelligent duty-standby operation. Ideal for high-rise buildings, industrial plants, warehouses and municipal projects, ensuring reliable automatic fire water supply and long-term continuous performance.

The EDJ （Diesel Pump:XA, Electric Pump:XA）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 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.

The fire pump set consists of electric pump + diesel pump + jockey pump, 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.

The complete set of diesel fire pump equipment integrates a diesel engine, fire pump, cooling system, control cabinet and pressure monitoring components. Through the coordinated operation of power, cooling and automatic control, it provides a stable and reliable emergency water supply for industrial, warehousing and building fire protection systems.

The EDJ fire pump set is composed of a fire pump, a dual-shaft extension motor and a diesel engine. One end of the output shaft of the dual-shaft extension motor is connected to the input shaft of the fire pump, and the other end of the output shaft of the dual-shaft extension motor is connected to the input shaft of the fire pump. 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 the action driving circuit. With dual-power fire pump, there is no need to configure a second fire pump, reducing floor space and manufacturing costs.

The electric fire pump unit is driven by an electric motor and has many different structures such as horizontal and vertical.

The electric fire pump set has a small footprint, light weight, low noise, and good start-up and operation performance.

Although the electric fire pump set has the advantages of simple operation and maintenance, most of the design specifications of the fire protection system stipulate that when using the electric fire pump set, it should have the condition of dual-circuit power supply. And usually there should be a diesel engine fire pump set as a backup pump set.

Small flow fire pump assemble process
This is for Philippines order for us, and flow as 50gpm 6bar
Normal use for small shop and hotel project

The DJ model is basically a combination of a diesel engine and a jockey pump. They consist mainly of end suction pumps driven by diesel engines and have no backup pumps. It is also combined with a jockey pump for maintenance to form a complete skid.

The complete DJ style skid is assembled with all discharge line fittings and connected to the skid mounted control panel.

Available DJ-type fire pump skid kits provide the following flows:
50, 120, 150, 250, 300, 350, 500, 750 and 1000 GPM.

Key Factors to Consider:
NPSHa vs. NPSHr: The Net Positive Suction Head Available (NPSHa) must always exceed the Net Positive Suction Head Required (NPSHr) to prevent cavitation.
Elevation & Water Source: Pumps drawing from underground tanks or reservoirs need to account for elevation changes and friction losses.
Pipe Sizing & Layout: Use properly sized pipes and minimize bends to reduce suction losses.
Compliance with NFPA 20: Follow recommended practices for suction piping to ensure smooth operation.

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.

When the fire pump is in operation, if the power supply of the motor fire pump power supply is turned off or the electric pump fails to start normally, the diesel engine fire pump will automatically start and run. During normal operation, there is a fully automatic switchover to an electric pump.

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

High-protection-level fire pumps possess superior waterproof, dustproof, and corrosion-resistant properties, making them suitable for complex environments such as docks, power plants, tunnels, and oil depots, providing efficient and stable fire water supply. Employing an intelligent control system, dual-power drive, and energy-saving design, they support remote monitoring and customized configurations, ensuring continuous operation in extreme weather conditions, meeting international fire protection standards, and providing reliable fire safety solutions for various industrial and municipal projects.

This highly reliable vertical fire pump system features a compact vertical design, offering rapid start-up, continuous high-pressure water supply, and stable operation. It is suitable for high-rise buildings, industrial plants, and critical fire protection applications, ensuring the safe and reliable operation of the fire protection system in emergency situations.

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.

Simplifies piping design
Single source unit responsibility
A complete package that will meet NFPA20 requirements
Packaged systems are performance and hydrostatically factory tested at an IS09001 certified manufacturing facility prior to shipment.
No material lost due to on-site material handling
Improves the speed of construction and reduces on-site installation time
Only external suction, discharge and power connection are required on-site
State of the art engineering design

Intelligent control fire pump systems achieve stable water pressure and continuous water supply through automated pressure regulation, rapid start-up and shutdown, and coordinated operation of the main pump and pressure-stabilizing pump. This article comprehensively introduces its structural advantages, power performance, safety protection, and application scenarios, serving as an important reference guide for selecting efficient fire water supply systems.

Fire pumps are specifically designed for firefighting purposes. While some may have other applications, their primary function is to provide water at the required pressure for fire protection systems.

Fire pumps are primarily designed for structural fire protection, and their use in wildfire prevention is limited. However, water pumps and other firefighting equipment may be employed for vegetation fire control in specific situations.

Fire pump as the name implies, fire pump, according to different classification is divided into different kinds of it is fully sealed, no leakage, corrosion resistance, widely used in environmental protection, water treatment, fire departments, is used to pump all kinds of liquid equipment.

The fire pump set adopts ISW pump. ISW series horizontal single-stage single-suction centrifugal pump is a new generation of energy-saving and environmentally friendly horizontal centrifugal pump developed by our company by absorbing the advanced technology of similar foreign products and adopting the general performance parameters of domestic centrifugal pumps.

In addition, according to different operation temperatures and mediums, we developed the hot-water pump(ISWR), corrosion-resistant chemical pump(ISWH) and oil pump (ISWB). This pump enjoys excellent performance, good reliability, long operation life, reasonable construction and nice appearance, which is outstanding in the industry.

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

Fire pumps are often required to have backup power sources, such as diesel generators or uninterruptible power supplies (UPS), to ensure they function during power outages.

The diesel-driven fire pump unit adopts independent diesel power, high-efficiency fire main pump, intelligent control cabinet and complete cooling system. It has the advantages of stable water supply, automatic response, multiple protections, continuous operation and convenient maintenance. It is suitable for industrial plants, warehousing logistics, high-rise buildings, petrochemical industry, electric power facilities and large-scale fire protection projects to provide reliable emergency water supply guarantee for fire protection pipe networks.

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 diesel fire pump designed for long-term emergency operation adopts an industrial-grade diesel engine, a high-efficiency centrifugal pump, an intelligent control system, and an enhanced heat dissipation design. It has the ability to operate independently, start quickly, provide continuous water supply, and work under high load for extended periods. It is widely used in petrochemical, power energy, port terminals, warehousing and logistics, and large-scale industrial fire protection systems, providing reliable emergency water supply for critical fire protection tasks.

In fire protection systems, noise control is crucial for the operating environment and user comfort. This fire pump is equipped with advanced noise reduction technology, optimizing its pump structure and power system to effectively minimize vibration and noise during operation. With high-precision balancing and premium vibration-damping materials, the equipment maintains a low-noise level while operating efficiently, making it ideal for environments with strict noise requirements, such as commercial buildings, hospitals, residential areas, and office spaces.

Additionally, the fire pump features a highly efficient cooling system, ensuring stable performance during extended operation while further reducing mechanical noise. With its outstanding silent design, this fire pump enhances the working experience for operators, minimizes disturbances to the surrounding environment, and provides a quieter, more efficient fire safety solution.

EDJ series fire pump set consists of electric pump + diesel pump + jockey pump and all accessories.
Pump – ISO Horizontal end suction 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.

High-lift deep well fire pump units are designed for large-scale projects and feature deep well water intake, high-pressure long-distance water supply, and stable operation. They are suitable for fire protection systems in industries, ports, and high-rise buildings, providing reliable and efficient fire water supply solutions.