The difference between Multistage pump and single stage pump.

Users should be trained in the proper operation of the pump and follow all safety guidelines. It’s important to wear appropriate personal protective equipment, ensure proper ventilation, and be aware of potential hazards.

Although the electric fire pump has the advantages of simple operation and maintenance, the design specifications of most fire protection systems stipulate that when using the electric fire pump set, it should have the condition of double circuit power supply, and usually should have the diesel engine fire pump set as a backup pump set. Electric fire pump sets are driven by electric motors, and there are many varieties with 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.

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

• Automatic switching between three pumps, when the electric fire pump fails, the diesel engine backup pump will automatically start
• Works even with power outages
• Adopt high-quality NSK bearing, wear-resistant mechanical seal or packing seal
• Product parameters available upon request

The biggest difference between the diesel engine fire pump and the electric water pump is that it has its own independent power supply system – the storage battery. Therefore, the start and operation of the diesel engine fire pump can be completely separated from the mains.

It’s the 3D Display of Fire Pump Set and its working principle. The fire pump set is usually consisting of jockey, electric&diesel engine pump along with control panel and accessories.

Electrical systems for fire pumps include the power source (usually a dedicated circuit), control panels, and backup systems like generators. These components ensure reliable start-up, monitoring, and operation under emergency conditions. Key elements include overload protection, emergency stops, and regular testing.

Fire pump is one of the fire-fighting equipment, its function is mainly used to transport water or other fire-extinguishing liquid for fire-fighting. Pumping water with equipment such as fire pumps has a very high water delivery efficiency. There are many types of fire pumps, and the air pumping methods of different fire pumps are also different. Sprinklers, fire hydrants, and water cannons and window sprays commonly used in business have the same pump-starting principle, but the fire-fighting linkage principle is different.

Fire pumps are classified into various types based on their specific applications and operational characteristics. The common classifications of fire pumps include:

Horizontal Split Case Fire Pumps: These pumps have a horizontally split casing, which allows easy access to internal components for maintenance and repairs. They are typically used in large-scale fire protection systems, such as industrial facilities, commercial buildings, and high-rise structures. Horizontal split case pumps are known for their high flow rates and can handle a wide range of pressures.

Vertical Turbine Fire Pumps: Vertical turbine pumps have a vertical shaft and are designed to operate with submerged impellers. These pumps are commonly used in water sources such as wells, rivers, or lakes. Vertical turbine fire pumps are ideal for locations where space is limited, as they have a small footprint. They are also suitable for applications that require high pressures but lower flow rates.

Vertical Inline Fire Pumps: Vertical inline pumps have a vertical design with the motor located above the impeller. These pumps are compact and space-saving, making them suitable for installations where floor space is limited. Vertical inline fire pumps are commonly used in commercial and industrial applications, such as office buildings, hospitals, and manufacturing facilities.

End Suction Fire Pumps: End suction pumps have a single impeller mounted on the end of the shaft. They are widely used in various applications, including fire protection systems. These pumps are known for their simplicity, ease of maintenance, and cost-effectiveness. End suction fire pumps are typically used in smaller buildings, residential properties, and light commercial applications.

Multistage Fire Pumps: Multistage pumps consist of multiple impellers arranged in series. Each impeller adds pressure to the water, allowing these pumps to deliver high pressures. Multistage fire pumps are suitable for applications that require high-pressure delivery, such as high-rise buildings, industrial plants, and sprinkler systems with demanding pressure requirements.

Diesel-Driven Fire Pumps: Diesel-driven fire pumps are powered by diesel engines, providing a reliable source of power in situations where electricity may be unavailable or unreliable. These pumps are commonly used in remote locations, off-grid areas, and critical infrastructure where continuous operation is essential. Diesel-driven fire pumps are known for their durability and ability to deliver high flow rates and pressures.

It’s important to note that these classifications are not exhaustive, and variations of fire pumps exist within each category. The choice of fire pump classification depends on factors such as system requirements, available space, flow rates, pressure requirements, and power sources. Consulting with fire protection experts or system designers can help determine the most suitable fire pump classification for a specific application.

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.

Our pump for pumps has ISO centrifugal pump with high efficiency, XA centrifugal single-stage pump, ISW centrifugal pump which can be used for all customers with more competitive price, XBD centrifugal pump which has same specification as ISW centrifugal pump, OTS split case which has high capacity to meet the customers requirements, D multistage pump with high pressure up to 60bar. JC vertical turbine pump for the water level lower than the pump suction. XBC diesel engine fire pump for all pumps use diesel engine.

Minor repairs can often be made to fire pumps, but major issues may require replacement or extensive refurbishment. It’s important to consult with experts in fire pump maintenance for guidance.

EJ vertical turbine fire pump package is including one electric vertical pump and one CDL jockey pump with accessories of gate valve and check valve, pressure relife valve, pressure Gauge, pressure switch, pressure vessel,and mainfold pipe for suction and discharge

·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

EDJ fire pump set is our main product, 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 signal from the electric contact pressure gauge and start the diesel engine pump within 5 seconds, and reach the rated working condition within 20 seconds to ensure the normal operation of the fire extinguishing work.

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 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.

For research laboratories, quiet operation, reliability, and precise pressure control are essential. Electric fire pumps are often suitable, given their steady power flow and lower emissions, which may be critical for sensitive environments. Jockey pumps can also maintain pressure without large pumps constantly running.

Electric motor fire pumps are used in various water environments, not only for ordinary water supply but also as a good helper for fire water. The electric motor fire pump is manufactured with good structure and technology, with a wide range of performance, simple operation and long-term use. The electric motor fire pump is aimed at various fire water environments, so the selection should also be based on the actual demand environment, performance parameters, etc.

·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

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 lifespan of a fire pump depends on factors like maintenance, usage, and environmental conditions. With proper maintenance, fire pumps can last for several decades.

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.

EDJ fire pump set consists of diesel engine fire pump, electric pump set and stabilized pump to form an automatic fire water supply system

Fire pumps are subject to rigorous testing and maintenance protocols to ensure they are always ready to operate in an emergency. This typically includes regular weekly or monthly churn tests, where the pump runs without discharging water, and annual flow tests, which verify that the pump can achieve its rated flow and pressure. These tests are crucial for identifying potential issues, such as wear and tear on components, blockages in the piping, or problems with the power supply. Additionally, fire pumps must be inspected for leaks, corrosion, and other signs of deterioration. Regular maintenance, including lubrication, alignment checks, and part replacements, helps extend the pump’s lifespan and ensures its reliability when needed most.

Better technology specializes in the production of fire pump, novel product design, excellent performance, fast water flow, high head, complete varieties; The company independent research and development of fire pump production more than 15 years, and won a number of certification certificates.

Diesel fire pumps are ideal for applications where a separate pump room already exists or where the pump room is located on an exterior wall. Facilities using diesel fire pumps include warehouses, aircraft hangars and industrial facilities. Since they have a larger footprint than electric fire pumps, they are not suitable for installations where space is small. Unlike diesel pumps, electric fire pumps can be located inside buildings. 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.

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.

The motor of this EJ fire pump set is directly connected to the pump body, which saves costs. It adopts ISW pump, and its performance parameters and technical indicators meet relevant standards. It has the characteristics of high efficiency and reasonable structure. It is suitable for industrial and urban water supply and drainage, high-rise building increase Pressurized water supply, garden sprinkler irrigation, long-distance water supply, heating, bathroom and other hot and cold water circulation pressurization and equipment.

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.

Diesel engine fire pump has the characteristics of high efficiency, wide performance range, safe and stable operation, low noise, long life, convenient installation and maintenance, etc. This diesel engine pump set can transport clean water or other liquids whose physical and chemical properties are similar to water. It can also be used to transport hot water, oil, corrosive or abrasive media by changing the material of the pump’s flow parts, sealing form and adding a cooling system.