EJ (Electric+ jockey) Fire Pump Set

The fire pump is the necessary water intake equipment for fire-fighting facilities. At least one or two fire pumps are equipped. The commonly used fire pumps are electric fire pumps and diesel engine fire pumps. The difference between the two is that the electric fire pump needs power system supply. The electric diesel engine fire pump can be started at any time to fill the position of the original electric fire pump.

– Diverse Area Coverage: Ensuring comprehensive coverage for offices, retail spaces, dining areas, and other facilities.
– High Occupancy Management: Implementing systems that handle high occupancy and prioritize occupant safety.
– Integration with Building Management Systems: Coordinating with HVAC, security, and other building systems for comprehensive safety.
– Compliance with Commercial Building Codes: Adhering to fire safety regulations specific to multi-purpose commercial buildings.

Flow testing is a critical aspect of fire pump maintenance and compliance with safety standards. This article explores the fundamentals of fire pump flow testing, including procedures, equipment, and the significance of accurate testing to verify system performance. It discusses the relationship between flow testing and water distribution and highlights the need for regular testing to ensure optimal fire protection.

The Fire Pressure Stabilization Equipment, coupled with the CDL Vertical Multistage Fire Pump, offers a comprehensive solution to elevate fire safety measures. This powerful combination ensures a consistent water pressure for effective fire suppression. By incorporating pressure stabilization technology, this system guarantees an uninterrupted fire water supply, efficient water distribution, and reliable operation of fire hydrants and sprinkler systems. With advanced infrastructure and the ability to maximize firefighting capabilities, this configuration significantly enhances overall fire safety standards. Investing in fire pressure stabilization equipment is a proactive step towards ensuring superior fire protection and providing peace of mind in critical situations.

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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.

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.

UL Flow：50-3000 GPM
UL Head： 5-20 Bar (72.5-290 psi)

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.

Diesel fire pumps are suitable for the discharge of heavily polluted industrial wastewater, sewage discharge stations in major residential areas, water distribution systems in urban sewage treatment plants, drainage stations in civil air defense systems, water supply equipment in waterworks, sewage discharge in hospitals and hotels, municipal engineering construction sites, mine auxiliary machines , Rural biogas digesters, farmland irrigation and other industries. Sewage and dirt with conveyor belt particles can also be used for clean water and weakly corrosive media.

The fire pump is naturally used in the fire water system, and the technology and raw materials used are all required on site. There are many types of fire pumps and different performances. There may be overlapping performance ranges or large differences in performance. We need to consider the specific functions of the site, such as electric motor fire pumps or diesel engine fire pumps, vertical long-axis fire pumps or horizontal split double pumps. Suction fire pump, horizontal single-stage fire pump, etc., we should choose according to actual needs.

·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 EDJ fire pump set equipment produced by Better Technology Group Co., Ltd. is composed of electric fire pump and diesel fire pump. It is designed and manufactured according to the fifth part of GB 27898.5-2011 fixed fire water supply equipment <>, in line with the new 3CF Require certification and obtain 3CF certification for fire protection products.

The electric fire pump can supply fire water supply in general occasions. It has complete performance and a wide range of models. It can use single-stage single-suction pumps, multi-stage single-suction pumps, self-priming pumps, long-axis pumps and other pumps, and can also be combined in parallel. Wide range of flow and pressure. Electric fire pumps are widely used in fire water supply in warehouses, docks, airports, petrochemical, power plants and other industrial and mining enterprises. Larger flow and head. The temperature of the conveying medium can reach 80°C.

Diesel engine fire pump is a kind of mechatronics equipment that is directly driven by diesel engine fire pump and can start and complete water supply in a short time. Diesel engine pump set is driven by diesel oil without external power supply. Diesel engine pump is suitable for agricultural irrigation, emergency rescue, smelting, hangars, petrochemical oil depots, power plants, liquefied gas stations, textiles and other fire-fighting water supply occasions, especially in the absence of electricity, When the power grid is not satisfied, it is the safest choice to use a diesel engine to drive the water pump.

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 fire-fighting water provided by most fire-fighting water sources needs to be pressurized by fire-fighting water pumps to meet the requirements for water pressure and water volume during fire-fighting, which is an important part of fire-fighting. In daily use, we often encounter fire pumps vibrating or making abnormal noises. What is the problem?
1. The installation is not firm and the fasteners are loos

2. Wear between impeller and seal ring

3. Improper installation of pump body and pump shaft

4. Cavitation causes abnormal sound inside the pump

Suction and Discharge Connections: The fire pump has dedicated suction and discharge connections for the water supply and the distribution system, respectively. The suction connection draws water from a water source such as a reservoir or hydrant, while the discharge connection delivers the pressurized water to the fire protection system.

750gpm@90m fire fighting package set

120≤ Q≤1000GPM
H＜150m
The EDJ fire pump group is composed of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the stabilized 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.

Electric fire pumps have a wide range of uses, of course the most important ones are still used in the fire protection industry, and they are also used in water treatment and environmental protection industries. Among these uses, the firefighting profession uses the most. The fire pump is the advantage of fast water pumping that the firefighting profession has fully utilized. Because most of the work of the firefighting profession is to fight fires, the fire pump has played a great role.

Fire pumps play a pivotal role in fire protection systems by ensuring a reliable and pressurized water supply for firefighting efforts. When a fire breaks out, immediate access to water at a sufficient flow and pressure is critical to containing and extinguishing the flames. In many cases, the water supply provided by municipal water mains may not be adequate, necessitating the use of fire pumps to boost water delivery to firefighting equipment.

Fire pumps are especially crucial in large industrial or commercial buildings, as they ensure that every corner of the facility has access to water for firefighting. Without fire pumps, there might be inadequate pressure or flow, resulting in a delayed response, potentially leading to greater fire damage.

Fire pumps are necessary to ensure an adequate and consistent water supply for firefighting, especially in buildings or areas with low water pressure. They help maintain the required pressure to operate fire sprinkler systems and standpipes.

Flow: 120GPM≤Q≤1500GPM
Rated pressure: ＜150m
Speed: 2950 to 3550 RPM
Frequency: 50Hz or 60Hz

Proper design and installation of suction and discharge piping are vital for the efficient operation of a fire pump system. The suction piping connects the fire pump to the water supply source, while the discharge piping carries water from the pump to the fire protection devices.

Key considerations for these piping systems include the sizing, material selection, and routing. Proper sizing ensures that water can be drawn from the source at the required rate, and the piping material must be compatible with the water and the environment. Piping routing should minimize friction losses and ensure that the system operates without cavitation or other issues.

Yes, there are regulations and standards set by local, state, and national authorities that dictate the installation, testing, and maintenance of fire pumps. Compliance with these regulations is essential for ensuring the effectiveness of fire protection systems.

Outdoor fire pump set, with heat exchanger diesel engine inside, more suitable for outdoor installation requirements, pipeline pre-installed, easy to install

Fire pump equipment has the characteristics of mature technology, high degree of automation, protection function, reasonable structure and easy installation. At the same time, in order to meet the different needs of users and reasonable investment, the products are divided into fire pump, industrial emergency pump, agricultural pump and other application series, can be linked with the electric fire pump switch use.

70m3/h@60m Fire pump set test
We manufacture in strict accordance with customer requirements. All products will be tested before leaving the factory to ensure that there are no problems. The design meets the national standard of general packaging, meets customer needs, and standard handling and transportation.

Safety measures include regular training for personnel, ensuring proper ventilation in pump rooms, and following manufacturer guidelines for maintenance and operation.

Electric fire pumps are pumps used to pump clean water and liquids with physical and chemical properties similar to water. They are mainly used in factories, mines, urban water supply, air conditioning systems, fire protection systems and agricultural irrigation. For pumps of the same specification, changing the outer diameter of the impeller can have different performance. The pump has simple structure, reliable performance, small volume, high suction lift, low energy consumption and easy maintenance.