What role do firefighting pumps play in specialized firefighting scenarios?

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

With the continuous development of society, people have higher requirements for the quality of life, and the safety of diesel engine fire pumps is more important. All places need to be equipped with fire-fighting facilities, and fire pumps are water intake equipment for fire-fighting facilities. A fire pump Our commonly used fire pumps are electric fire pumps and diesel engine fire pumps. The difference between them is that electric fire pumps need power system supply. In the event of a power failure, the diesel engine fire pump can be started at any time to make up for the original position of the electric fire pump.

Fire Pump Set Components :
Electric pump:kinds of end suction pump, split case pump, multistage pump. made of cast iron, stainless steel. Impeller can be bronze.
Diesel pump:Flow is the same with electric pump. It connects the pump set with High elastic coupling or universal joint. It also includes water tank, oil tank, fans, control screen etc.
Jockey pump:horizontal or vertical, small flow, head is higher than electric or diesel pump
Control panel:control the pumps automatically with overload, overcurrent protection

Flow: 30-9000 GPM
Head: 3-20Bar
Speed: 740-2900r/min
Material: HT200, SS304, Bronze
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 jockey pump of the jockey fire water supply system must be kept running at ordinary times to maintain the pressure of the pipe network. When a fire occurs, it should still be able to run for a period of time until the main fire pump is started. It must be set according to the main and standby pumps. pressure pump. Due to the need for the stabilizing pump to keep running, energy is wasted, and the stabilizing pump is in working condition for a long time.

A fire pump is a critical component of a fire protection system. It is designed to increase the pressure and flow of water to ensure an adequate water supply for firefighting.

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.

1.Electric pump, can use single stage pump, horizontal split case pump, end suction pump, multistage pump, material can be cast iron, stainless steel, and bronze impeller
2.Diesel engine pump, with capacity and head equal to electric pump, with fuel tank, water tank,fan
3.Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump, this jockey pump is optional
4.Control panel: Auto Control for all pumps with overload, over current protection.
5.Accessories: valves, pressure vessel, Pressure Gauge, Pressure Sensor, Common Base plant

Diesel engine fire pump has the advantages of light weight, small size, flexible movement, fast start, fast water discharge time, large fuel tank capacity, corrosion resistance, reliable use, convenient maintenance, fast automatic start, self-starting, and can be refueled after dry operation . Heavy-duty pump bearings last longer; other components are made of high-quality copper and stainless steel or customer. Diesel engine fire pump high efficiency open impeller design can handle large solids and abrasives while maintaining high flow rates and high volume air handling for use in more “well point dewatering projects”.

Diesel engine fire pumps are mainly used for emergency fire fighting on ships. At the same time, it is also suitable for industrial and mining enterprises, port terminals, warehouses and freight yards and other places. 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 engines according to the needs of users.

Provide a comprehensive guide on fire pump regulations, such as NFPA 20 (Standard for the Installation of Stationary Pumps for Fire Protection), local building codes, and UL/FM certification requirements. Discuss how these regulations impact the design, installation, and maintenance of fire pumps, why they’re essential for safety, and how to ensure your fire protection system meets all necessary legal and insurance requirements.

The fire-fighting dual-power water supply equipment is suitable for all kinds of emergency backup pumps. When the mains is normal, the electric pump set is put into work. When the power supply fails and the electric fire pump cannot be put into use normally, the diesel engine fire pump set can be automatically put into operation to ensure firefighting. Fire extinguishing is carried out normally, and the diesel engine fire pump set is equipped with various automatic functions to meet the requirements of national standards, ensuring that the equipment is in a normal standby state for a long time, and can be put into fire fighting work at any time.

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

1. Inspect and test the fire pump, piping, valves, and relief valves annually for proper operation and water flow.

2. Make sure the fire pump is in good working condition and that all safety systems are in place and operational.

3. Check the fire pump’s pressure gauge and make sure it’s properly calibrated.

4. Inspect the motor, couplings, and belts for proper alignment and condition.

5. Clean the fire pump’s suction and discharge strainers regularly.

6. Ensure that the fire pump is properly lubricated and that all bearings and seals are in good condition.

7. Test the fire pump with a certified flow test annually.

8. Inspect the fire pump’s control panel and make sure it’s in proper working order.

9. Test the fire pump’s jockey pump and make sure it is operational.

10. Check all electrical connections and wiring for proper operation.

EDJ fire pump package
without suction welding mainfold pipe
have more competitve price and beautiful look
including one electric pump，one diesel pump，one jockey pump ，with accessories and controller，baseframe etc.

EDJ Multistage Fire Pump Set is electric fire pump+diesel fire pump+jockey pump.It can meet 120GPM~3000GPM with 100m~660m.

At higher altitudes, the atmospheric pressure is lower, which can reduce the performance of fire pumps. To compensate for this, fire pumps may need to be oversized or specially configured to deliver the necessary pressure and flow in high-altitude environments. Proper planning and design are essential to ensure that the system functions effectively under these conditions.

The box-type fire pump is a combination of the advantages of all pumps, without the need to build a pump station, saving costs, mobile, including electric pumps, diesel pumps and jockey pumps. It is a standard fire pump set. In the form of equipment, there is no need to worry about the failure of the pump, the structure design is exquisite, the building space is effectively reduced, the construction is convenient, the maintenance is simple, and the comprehensive investment in fire protection is reduced.

·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

In cold climates or areas prone to extreme weather, fire pumps face unique operational challenges that require careful design and maintenance. Freezing temperatures can cause water to freeze in the pipes, potentially damaging the fire pump and other components of the fire suppression system. To mitigate this, fire pumps may be installed in heated enclosures, and antifreeze solutions or dry-pipe systems are often used to prevent freezing. Jockey pumps help maintain system pressure, but in extreme weather, they must be monitored closely to ensure they don’t overcompensate for changes in pressure caused by temperature fluctuations. High winds, flooding, or snow accumulation can also impact the performance of fire pumps, especially in outdoor or exposed installations. Ensuring that fire pumps have robust weather protection, backup power supplies, and regular winterization procedures is critical for maintaining their reliability in harsh conditions. Additionally, these pumps should be designed with durable, weather-resistant materials to withstand long-term exposure to extreme environmental factors while still delivering dependable fire protection.

Better Technology Group Co., Ltd. is a professional fire pump manufacturer with more than 20 years of industry experience and is deeply loved by domestic and foreign customers.
The diesel engine fire pump has a wide range of lift and flow, which can fully meet the fire water supply in various occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas stations, textiles and other industrial and mining enterprises.

The fire pump can be installed in multiple ways according to the on-site use conditions. And depending on the flow and head requirements, the required flow and head are increased in parallel and series. The bearing adopts low-noise closed bearing, which has been injected with grease before leaving the factory, which can ensure continuous operation for more than two years, and the components have high concentricity. The pump impeller has good performance. Dynamic balance, no vibration in operation, and improved use environment. The pump shaft seal is a mechanical seal, which solves the serious leakage of conventional centrifugal pump packing, increases the service life, and ensures that the operating site is clean and tidy.

The parts that may cause friction when the pump rotates are all made of wear-resistant, corrosion-resistant and high-anti-seize material combinations to ensure reliable operation, reduce noise, and avoid rust water, blocking spray and other fire-fighting devices, extending service life and after shutdown. Rust bite phenomenon.

Single-stage fire pumps have only one impeller, and multistage fire pumps can have two or more impellers. Because the pump core in them is different, the structure is different. The impeller of the multi-stage pump is more than that of the single-stage pump, which can achieve a larger head at the same flow rate. The multi-stage pump is the sum of the single-stage pumps, and the head and outlet pressure can be made very high.

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.

Yes, fire pumps can be integrated with water mist systems, providing a fine water spray for fire suppression. The combined system is effective in controlling and extinguishing fires, especially in enclosed spaces.

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.

The tank-pump integrated fire water tank includes a water tank, an air pressure water tank, a water pump unit, an electric control cabinet, a liquid level instrument, a pipeline, a bottom plate, and an internal and external ladder. The water tank, the air pressure water tank and the bottom plate are connected as a whole, and the water pump unit Located on one side of the water tank, the electric control cabinet is arranged in the water tank, the pipeline is connected with the water pump unit and the water tank, and the inner and outer ladders are connected on the side of the water tank. The fire-fighting equipment of the utility model is simple in structure, low in cost and easy to install. While meeting the fire-fighting needs, the project cost, construction period and floor space are reduced.

The ED fire pump set is composed of electric pump + diesel pump, equipped with a control cabinet, without a jockey pump. It is a small fire pump set, suitable for any fire emergency situation, not affected by the mains, and the control cabinet controls the pump. Start and stop, with the advantages of flexibility and small footprint.

Electric pump + diesel pump + joceky 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.

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.