What are the characteristics of diesel engine fire pumps?

Diesel engine fire pump systems are designed for power-deficient and extreme environments, offering independent operation, strong corrosion resistance, and intelligent control. Ideal for oil fields, ports, and industrial projects, they ensure reliable emergency fire water supply.

Scope of application of fire pump:
Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service.

Dual-pump fire system with automatic switch & standby ensures continuous water supply. Ideal for buildings, fire pump rooms, and municipal pressurization.

At the moment when fire safety is deeply rooted in the hearts of the people, diesel engine fire pumps are gradually replacing ordinary fire pumps, especially in manufacturing enterprises, with large flow water supply systems, excellent performance, and stable operation mode, they are the fire safety experts trusted by modern enterprises. However, the more expensive and high-tech products are, the more attention they need.

The size and capacity of a firefighting pump depend on factors such as the size of the area to be protected, the potential fire hazard, and the water supply available. Calculating factors such as flow rate, pressure requirements, and the distance water needs to be delivered can help determine the appropriate pump size and capacity.

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

1. Connection form

The vertical water pump is connected with the motor by the coupling, which needs to be aligned regularly; the perpendicular water pump is superimposed and connected from the bottom to the top, and the perpendicular water pump is generally called the channel pump.

2. Installation form

Compared with perpendicular water pumps, perpendicular water pumps are easier to install. The vertical pump set is handed with a base, and perfection adaptation is needed after installation.

3. conservation difficulty

Since the perpendicular water pump is composed of upper and lower layers, the conservation of the perpendicular water pump is more delicate. For illustration, to repair the impeller, it’s necessary to remove all the corridor above the impeller before repairing; while the vertical water pump is fairly easy. For illustration, the IS type pump can perform impeller conservation by removing the bay pipe.

4. bottom space

It can be seen from the appearance that the vertical water pump has a base due to its vertical structure, so it occupies a large area.

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.

Diesel engine fire pumps are suitable for use in high lift and high flow fire water supply environments or as backup fire water supply pumps. The reason is that the diesel engine has strong power and can be used with large flow fire deep well pumps, and the diesel engine fire pumps have the characteristics of self-starting when power is off. Emergency water supply is available, so diesel engine fire pumps are favored.

EEDJ Fire Pump Package ,The equipment is designed to have 2 electric pumps. one duty and one standby and one diesel pump stand by 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, Control panel site start.

Regular maintenance is crucial to keep fire pumps in optimal condition. It involves inspecting, lubricating, and replacing components as needed. Maintenance helps prevent malfunctions, ensures reliability, and extends the life of the pump.

In modern fire protection systems, rapid response to fire incidents is crucial for safeguarding life and property. The Pressure Stabilization and Dual-Function Pump System integrates powerful pressure regulation with dual power sources to ensure that the fire protection system quickly responds and maintains a continuous, stable water supply during emergencies.

This pump system is designed with two power sources—an electric motor and a diesel engine. When the primary power source fails, the diesel engine automatically starts, ensuring uninterrupted operation of the fire protection system even during power outages. Its pressure stabilization system automatically adjusts pressure during operation, ensuring stable water flow for fire suppression and preventing water interruptions due to insufficient or fluctuating pressure, ultimately improving firefighting efficiency.

The intelligent control system further enhances the efficiency of the pump system, allowing users to monitor the system’s status in real-time through a touch panel. The system is easy to operate, and any malfunction is quickly detected and alarms are triggered, activating backup systems to effectively prevent emergency issues caused by system failure.

This pump unit is ideal for applications in high-rise buildings, industrial zones, storage facilities, and other locations with high reliability requirements for fire protection, ensuring that the fire pump can be immediately activated and continue to supply water in any emergency.

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.

Outline the specific installation requirements for fire pumps, such as space considerations, accessibility, and adherence to NFPA 20. Explain how correct installation ensures reliability and ease of maintenance, and discuss the importance of proper alignment, securing power sources (for electric pumps), and ventilation (for diesel pumps).

Sizing diesel fire pumps involves evaluating factors such as the building’s occupancy classification, area of coverage, hazard level, and required flow rates for firefighting purposes. Hydraulic calculations are typically performed to determine the water demand and pressure requirements, which are then used to select a diesel fire pump with the appropriate capacity and performance characteristics. It’s essential to work with qualified engineers or fire protection specialists to ensure that the pump is sized correctly for the specific application.

The small DJ fire pump equipment is suitable for small public places or fire emergency use. The small fire pump occupies a small area and is easy to maintain. The pump set is composed of diesel engine pump + jockey pump, which is widely used and is not affected by the mains.

Electric fire pumps can be located inside the building. Office buildings and apartments are often equipped with electric fire pumps. In addition, upper floors sometimes install an additional electric fire pump above ground or basement to increase water pressure.

Learn how to troubleshoot common fire pump issues, including low pressure, cavitation, and motor failures.

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

Vertical long shaft pumps deliver high head, continuous performance, and corrosion resistance, making them ideal for petrochemical, power plant, and port applications. Perfect for deep well supply, cooling circulation, and fire protection in demanding industrial environments.

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.

The electric fire pump set has the advantages of quick start, reliable water diversion, stable operation, high degree of automation, wide range of pressure and flow, etc. It is an advanced and reliable fixed fire-fighting equipment. It is mainly used in fire water supply and foam fire extinguishing systems in industries such as petroleum, chemical industry, natural gas, power plants, textiles, wharves, gas stations, storage, high-rise buildings, etc.

Lifecycle management involves:

Regular Maintenance: Implement a scheduled maintenance program to keep the pump in optimal condition.
Upgrades and Retrofits: Upgrade or retrofit components as technology advances or as system requirements change.
End-of-Life Planning: Plan for the eventual replacement of the pump system, ensuring minimal disruption to fire protection coverage.
Performance Monitoring: Continuously monitor performance to identify when parts or the entire system need replacement or overhaul.

·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

Learn what a fire pump test header is, how it works, and why it’s a key component for performance testing and NFPA 25 compliance.

Highly efficient, energy-saving and durable horizontal centrifugal fire pumps offer excellent hydraulic performance, low energy consumption, long life and high reliability. Suitable for a variety of fire protection systems in high-rise buildings, industrial plants, warehousing and logistics, they ensure rapid and stable water supply in the event of a fire and comply with international standards and energy-saving and environmental protection requirements.

150gpm 150 psi EJ fire pump set ready dispatch

Learn the top 5 differences between fire pumps and booster pumps, including applications and pressure requirements.

The large-scale EDJ electric diesel dual-drive fire pump is a fire-fighting water supply equipment with dual drive of electric power and diesel engine designed and manufactured by Youbeide Technology Co., Ltd. according to the standard of <>, and has obtained 3CF certification. There are many models of Better dual-power fire pumps, which can be customized according to needs.