What is electric fire pump set?

As the name implies, fire pumps are classified into different types according to different classification methods, and are widely used in environmental protection, water treatment, fire protection and other departments because of their fully sealed, leak-free, and corrosion-resistant characteristics. liquid-like. The pump types are similar, but the head and flow are different. The selection basis of the fire pump should be considered according to the process flow, water supply and drainage requirements, and other five aspects.

In the fire fighting pipeline pump, according to the different installation methods can be divided into vertical fire pumps and horizontal fire pumps, many people have questions about these two common pumps, what is the difference between the two? Shanghai Xizhiquan will explain the difference between horizontal and vertical pumps.

Obviously, different installation methods take up different space. Vertical pipeline pumps are installed vertically, covering a relatively small area, and vertical fire pumps do not require a foundation, while horizontal fire pumps need to be equipped with a base.

According to the different structures of the two pumps, it can be concluded that there is also a certain difference in the ease of maintenance of the two types of fire fighting pipeline pumps. The impeller of the vertical fire pump needs to be dismantled from top to bottom, which makes maintenance more difficult; the horizontal fire pump only needs to have the inlet pipe removed so that the impeller can be overhauled, which is relatively simple.

Due to the different inlet and outlet pipe directions, the pipeline connection between vertical and horizontal is also different. As the vertical pump is a bottom-up structure, while the horizontal fire pump is longitudinally arranged on the base, so the motor of the vertical pump and the pump body are connected in the form of sub-mouth connection, while the horizontal pump needs to use couplings to connect with the motor, and the horizontal pipeline pump needs to be corrected regularly.

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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.

Fire pumps generate heat during operation, and preventing overheating is essential to maintain their efficiency and longevity. This article explores various cooling methods for fire pumps, including air cooling, water cooling, and heat exchangers. It highlights the role of cooling systems in preserving pump performance.

There are many applications for fire pumps, and different motors are selected according to the flow rate and head size. The commonly used motors include electric motors and diesel engines, and domestic and foreign brands can match the application. The fire pump can choose vertical or horizontal structure according to the pipeline requirements, and the head size is also different.

A fire pump system typically includes the pump itself, a driver (usually an electric motor or diesel engine), a controller, and various accessories like suction and discharge piping, check valves, and pressure gauges.

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). According to the needs of users, it can also be equipped with other diesel engines as power engines.

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.

While the primary purpose of fire pumps is firefighting, some systems may incorporate them for other water supply needs, such as industrial processes or water distribution. However, their design and functionality are optimized for firefighting applications.

Fire pumps can be installed in locations with limited space, but it’s important to follow space requirements outlined in the manufacturer’s specifications and local codes. Proper clearances around the pump ensure ventilation and accessibility for maintenance.

Fire pumps should be tested on a regular basis according to national and local regulations. Common testing frequencies are monthly, quarterly, annually, and five-yearly, with different tests conducted at each interval.

Yes, diesel fire pumps can often be retrofitted or upgraded to improve performance, reliability, and compliance with current regulations or standards. This may involve replacing outdated components, installing new safety features or emission control technologies, or integrating digital monitoring and control systems. Retrofitting or upgrading diesel fire pumps can extend their lifespan, enhance their efficiency, and ensure continued compliance with evolving regulatory requirements.

Fire pumps are more commonly used in commercial and industrial settings. Residential buildings often rely on municipal water pressure for fire protection. However, in some cases, residential structures with specific design requirements may incorporate fire pumps.

150gpm 150 psi EJ fire pump set ready dispatch

This series of pumps meets the requirements of fire pumps in terms of performance, structure, materials and matching. Due to the use of excellent hydraulic models, this series of pumps has the advantages of meeting user requirements, high efficiency and wide performance range, which can better save floor space; high-quality motors with high-quality bearings make the pump run more safely. Reliable, low noise, low vibration; the use of hydraulic balance axial force can make the operation more stable. The scope of application is suitable for fire water supply in various occasions such as residences, hotels, office buildings, commercial buildings, factories, hospitals, etc.

DJ fire pump set 30gpm at site
diesel engine fire pump 30gpm, 3bar with 10gpm, 4bar with controller and accessories.

The EEJ Fire Pump System is an innovative solution designed to enhance fire safety in various settings. With exceptional performance and efficiency, the EEJ Fire Pump System delivers high pressure and large flow capacity, enabling rapid and effective fire suppression. Its intelligent features, including real-time monitoring and remote control capabilities, contribute to the system’s reliability and ease of operation. Overall, the EEJ Fire Pump System is a reliable choice for safeguarding lives and properties, making it an ideal fire protection solution for commercial buildings, industrial facilities, and residential areas.

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

Using Instruction
Altitude: ≤ 1000m;
Ambient temperature: +5 °C ~ +40 °C;
Relative humidity: <= 90%.

The diesel engine fire pump has the characteristics of good starting performance, serious load operation, compact structure, time-saving and labor-saving maintenance, simple application, and high level of automatic control technology. It is a security monitoring device with reliable performance.

The DJ Fire Pump Set is a combination system consisting of a diesel engine pump and a jockey pump, designed for fire safety in the construction and industrial sectors. This system utilizes the powerful power output of the diesel engine pump, ensuring reliable operation even in the event of a power outage. The jockey pump maintains a constant water pressure, optimizing the performance of the fire suppression system. The DJ Fire Pump Set offers a reliable and efficient solution for prompt response to fire incidents, making it an essential component for protecting property and ensuring occupant safety.

ED fire-fighting complete sets of water supply equipment are usually equipped with electric pumps, diesel pumps, and it is very important for fire-fighting installations to jockey pumps, so that the pressure level of the system can be maintained without starting the main pump. ED fire-fighting complete set of water supply equipment has reasonable layout, firm installation, reliable connection, compact structure, neatness and convenient maintenance. ED fire water supply equipment is used in hotels, shops, stores, warehouses, workshops, residences and other places with high fire protection requirements.

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.

Horizontal multistage fire pump is the latest energy-saving series product developed and produced. It has significant advantages such as high efficiency, low operating noise, good anti-cavitation performance, reasonable structure and long service life. It is used for conveying clean water without solid particles and liquids with physical and chemical properties similar to water. Fire pumps are mainly used for pressurized water supply in fire protection systems, and can also be used in factory and mine water supply and drainage, high-rise building pressurized water supply, long-distance water supply, and heating. , bathroom, boiler hot and cold water circulation pressurization, air conditioning refrigeration system water supply and equipment matching and other occasions.

Diesel engine fire pump, as a fixed fire extinguishing equipment, has been widely used in fire diversion, especially in emergencies such as no power supply or abnormal power supply, it can also be equipped with other diesel engines as power machines according to the needs of users.

There are several types of fire pumps, each designed for specific applications. Two common categories are centrifugal and positive displacement pumps.

Centrifugal pumps are widely used in fire protection systems due to their simplicity and reliability. They work by imparting kinetic energy to the water, which then exits the pump under pressure. These pumps are well-suited for maintaining consistent water pressure for fire suppression.

Positive displacement pumps, on the other hand, use a different mechanism. They trap water in a chamber and then force it into the discharge piping, creating pressure. Positive displacement pumps are typically used in situations where high pressure or low flow is required.

The choice of pump depends on the specific needs of the fire protection system and the facility it serves.

This equipment is a customized EEJ fire pump set which can meet 500GPM@80m. The duty pump and standby pump are XA series pump.

1. Better is a professional fire pump manufacturer with 18 years of industry experience

2. Professional sales team and R&D team, strong technology, self-produced control system

3. The motor is self-produced, which can produce 50/60Hz

Flow: 30-9000 GPM
Head: 3-20Bar
Speed: 740-2900r/min
Material: HT200, SS304, Bronze

The EJ Fire Pump Set is combined an electric pump and a jockey pump.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.

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.

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 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.