The difference between diesel fire pump and electric fire pump

Air in a centrifugal pump usually occurs because of a suction issue. Air can be introduced into the pump either because of a piping issue, such as low water level, or an internal issue, such as incorrect impeller clearance. To prevent air from entering the inlet pipe and pump body, the piping should be checked to ensure it is properly sealed and the pump should be regularly inspected to check impeller clearance.

This high-efficiency and durable fire pump features stable pressure output, energy-saving operation, high corrosion resistance, and long-term reliability. It is suitable for fire protection systems in industries, buildings, warehouses, and facilities, ensuring rapid water supply and continuous fire extinguishing capabilities during fire emergencies. It is an ideal fire protection equipment choice that offers safety, stable performance, and low maintenance costs.

The multi-pump parallel pressure-stabilizing fire pump system has high stability and intelligent constant pressure control capabilities. Through the coordinated operation and automatic switching of multiple pumps, it can achieve continuous and stable pressure in the fire pipeline network, effectively reduce energy consumption, improve system reliability, and is suitable for the fire pressure stabilization water supply needs of high-rise buildings, industrial parks and large public facilities.

Electric fire pump: It is an important part of the fire water supply system. Divided into ordinary type and foam type. The ordinary type is used for general fire water supply; the foam type is equipped with an adjustable proportion mixer and a cam pump, which can deliver the mixed liquid to various foam launching devices to extinguish various oil fires. The electric fire pump consists of two parts, the motor and the pump. The pump and the motor are coaxial. The pump structure includes pump body, rotor, pump cover, mechanical seal and other components.

High-performance diesel fire pump sets with independent energy supply, strong power and stable operation are suitable for high-rise buildings, factories, petrochemical sites and other places to ensure continuous water supply and fire safety.

The stable high-pressure output fire pump system has the advantages of high head, large flow, and continuous and stable output. It adopts advanced hydraulic design and intelligent control to achieve automatic start and stop and constant pressure water supply. It is suitable for various fire protection scenarios such as high-rise buildings, industrial parks, and municipal projects. It ensures rapid water supply and efficient fire extinguishing in fire emergencies. It is an ideal core equipment for modern fire protection systems.

The diesel fire pump set is easy to maintain, has a high degree of automation, reliable performance, and a wide range of equipment pressure and flow. XBC type automatic diesel engine fire pump set, as a fixed fire extinguishing equipment, has been widely used in fire diversion, especially in fire water supply under unexpected circumstances such as no power supply or abnormal power supply (mains power).

Fire pumps are designed to adapt to varying water supply conditions, such as fluctuating pressures or varying water levels in a reservoir. They achieve this through features like variable speed drives, which adjust the pump’s speed to maintain consistent water pressure and flow, regardless of changes in the supply.

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 EJ model is basically a combination of an electric drive and a jockey pump. They consist primarily of an end suction pump driven by an electric motor, with no backup pump. It is also combined with a jockey pump for maintenance to form a complete skid.

The complete EJ-style skid is assembled with all discharge line accessories and connected to the skid-mounted control panel.

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.

Packaging and delivery

Packaging details: standard export wooden cases or as required delivery detail: within 30 days

Specification

Compact structure, stable performance
Install and maintain conveniently  
Mechanical or packing seal

Application 

Use in fire system water supply, and also suitable for water supply plant, irrigation, drainage pumping plant, electric plant, air conditioning water supply, industry water supply, fire system, shipping industry, oil refining system, mining and other water supplying situations.

Application areas: commercial, municipal and residential high-rise buildings, large industrial plants and warehouses, offshore and remote facilities, airports, power stations.
Industrial fields: various petroleum, petrochemical, chemical, oil fields, management bureaus, oil depots, oil terminals, oil refineries, offshore platforms, etc.; national grain depots, thermal power plants, steel mills, shipyards, paper mills, etc.;
Commercial fields: five-star hotels, hospitals, schools, supermarkets, office buildings, large commercial complexes, highway tunnels, subway stations, railway stations, airports; fire engineering companies;

EDJ fire pump set is composed of electric pump + diesel engine pump + jockey pump. The fire pump set has the characteristics of high efficiency and energy saving, reliable quality, strong overload capacity, compact structure, convenient maintenance and high degree of automation. Suitable for any emergency firefighting occasion.

With proper maintenance, a fire pump can last 15-20 years or longer. However, components such as seals, bearings, and impellers may need replacement during this period.

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.

– 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.

This is a fire pump set with a flow rate of 2500gpm and a pressure of 70m. It consists of electric pump + diesel pump + jockey pump. For fire pump set, we have different types of components. It is suitable for fire-fighting occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas, textiles, ships, oil tankers, etc.

Flow: 5-120L/s

Head:0.2-1.6MPa

Caliber: 50-250mm

Power: 3-220kW

Speed: 1500-2600r/min

Working Pressure: 1.6MPa

The intelligent pressure-stabilizing fire pump utilizes a highly efficient automatic control system, precise pressure monitoring, and energy-saving frequency conversion technology to achieve zero-delay water supply response, ensuring continuous and stable operation of the fire protection system. Its compact structure, reliable performance, and easy maintenance make it widely applicable to high-rise buildings, industrial plants, and commercial complexes, making it an ideal choice for ensuring fire safety and energy-saving water supply.

Intelligent electric control fire pump system with integrated automation, remote monitoring, and efficient performance, ensuring reliable water supply in emergencies for high-rise buildings, industrial facilities, and public areas.

·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

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

Flow: 14-2700 GPM
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.

In fire emergencies, a stable and reliable water supply is crucial. The powerful fire pump, with its high efficiency and exceptional durability, ensures continuous and strong water pressure at critical moments, providing solid support for firefighting operations.

Equipped with a high-performance diesel engine or electric drive system, this fire pump features rapid start-up, high head, and large flow capacity. Even in extreme environments, it operates steadily, guaranteeing a sufficient water supply without being affected by external power failures. Rigorously tested and internationally certified, this product meets the highest industry standards and is widely used in industrial, commercial, petrochemical, and high-rise building fire protection systems.

Choosing a high-power fire pump means securing both safety and efficiency. It not only ensures a reliable water supply but also acts as a strong safeguard for lives and property when it matters most.

Fire pumps are used to pump various liquids. They are ideal pumps and fire protection systems for building non-leakage, pollution-free civilized workshops and civilized factories. They are often installed on fire trucks, fixed fire extinguishing systems or other fire-fighting facilities for transportation Special pumps for liquid extinguishing agents such as water or foam solutions. Fire pumps are widely used in environmental protection, water treatment, fire protection and other departments.

Equipped with control valve groups and piping systems, the diesel fire pump achieves precise and stable water supply and rapid emergency start-up. It features high head, large flow rate, and strong environmental adaptability, making it suitable for various building and industrial fire protection 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

The various types of fire pump sets produced by our company mainly have the following characteristics: reliable performance, compact structure, convenient operation and maintenance, wide range of pressure and flow selection, and are highly praised by users. At the same time, our company can equip diesel engine cooling water preheating and engine oil pre-lubricating devices according to user needs, so that the fire pump set is always on standby to meet the emergency fire fighting equipment and improve the life of the fire pump set. The product is based on GB6245-1998 “Fire Pump Performance Requirements and Experimental Methods”.

Learn how to choose the ideal fire pump for your building by evaluating system demand, pump type, NFPA 20 compliance, and water supply conditions.