Floating impeller axial force tone- balancing device for fire pumps

Small flow EJ fire pump set finish
Clients new order 50gpm 7 bar EJ fire pump finish
Waiting for test then dispatch

Advantages of OTS fire pump set:
1. Advanced hydraulic model, high efficiency and wide performance range.
2. Horizontal structure, easy installation and maintenance, small footprint.
3. Small vibration and low noise. Hydraulic balance of axial force is adopted to make the pump run smoothly, safely and reliably.
4. The inlet and outlet of the pump are on the same horizontal axis, which is convenient for pipeline connection and extremely convenient for loading and unloading.

1.Flow: 50-5000GPM
2.Head: 3-20Bar
3.Caliber: 25-800mm
4.Power: Electric pump: 1.5-710 kw, Jockey pump: 0.55-160kw
5.Speed: 740-2900r/min
6.Material: HT200，SS304，Bronze
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.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.

This group of fire pumps consists of two electric pumps + one jockey pump, and the motors are connected to multistage pumps.

A single-stage fire pump has only one impeller, and a multistage fire pump can have two or more impellers, which can achieve a larger lift at the same flow rate. Generally, it can be used as an industrial pump, a domestic pump and a fire pump.

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 outdoor fire pump set can be customized according to customer needs, and can include electric pumps, diesel engine pumps, and jockey pumps, with excellent appearance and easy installation.

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.

Standard EDJ fire pump set consists of electric pump + diesel pump + jockey pump.The pressure switch and control cabinet can automatically turn on/off three pumps-the electric pump and jockey pump operate when there is electricity and the diesel pump activates when the power cuts.
Flow Capacity Range:50-5000 GPM
Pressure Range:4-14 Bar
Power Range：4-325 KW

The EDJ （Diesel Pump:XA, Electric Pump:XA）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.

Fire pumps and jockey pumps work together to ensure that a fire protection system is always ready to operate at peak efficiency. The jockey pump is primarily responsible for maintaining the system’s normal pressure, compensating for minor leaks, and preventing the fire pump from running unnecessarily. When a fire occurs, and a significant drop in pressure is detected due to water discharge from sprinklers or hoses, the fire pump is activated to provide the necessary water flow and pressure. This interaction ensures that the system operates efficiently, minimizing wear and tear on the fire pump while keeping the system primed and ready for an emergency.

Fire pumps should be tested regularly to ensure their proper functioning. Monthly tests for a short duration and an annual full-load test are common practices. Regular testing helps identify and address any issues promptly.

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.

100gpm, 7bar EDJ fire pump set & 50gpm, 6bar ED fire pump set

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

The diesel engine fire pump set has the characteristics of good starting performance, strong overload capacity, compact and reasonable structure, convenient maintenance, simple and reliable operation, etc. The unit is equipped with first-level protection functions for overspeed, low oil pressure, three engine failures, high water temperature, low oil level, and low battery voltage. At the same time, the fire pump can be connected with the customer’s automatic fire alarm device or the centralized control cabinet of the fire protection system, and the characteristics of the diesel engine fire pump group can realize the function of remote monitoring.

EDJ fire pump set is composed of electric pump + diesel pump + jockey pump. This fire pump adopts ISW pump, which is easy to install. Our company has 20 years of industry experience and a professional sales team and R&D team.The control systems are produced by ourselves and the quality can be guaranteed as we have strong technical.The electric motors are also produced by ourselves, whether it is 50Hz or 60Hz.

The ED Dual-Power Fire Pump System combines electric and diesel engine pumps to ensure uninterrupted fire protection and a reliable water supply. In the event of power outages or electrical failures, the diesel engine pump seamlessly takes over, guaranteeing continuous operation of the fire protection system. This dual-power configuration offers both reliability and flexibility, providing comprehensive coverage for fire safety needs. With smart controls and automatic switching mechanisms, the transition between electric and diesel engine pumps is seamless, minimizing system downtime. Equipped with advanced safety features, including monitoring and alarm systems, real-time status updates allow for prompt action in case of any irregularities.

EDJ Fire pump set consists of a main electric pump(driven by electric motor),standby diesel pump(driven by diesel engine), and a jockey pump.Pumps are assembled with discharge pipe and suction pipe as well as ControlPanel.And this fire pump system can be customized for different purposes such as high rise buildings, warehouses,facilties,hospitals,supermarkets, shopping malls, vllas,apartments,etc.

Outdoor fire pump set
The box type double power fire pump is easy to install and does not need to build another pump room. The complete set of equipment leaves the factory with simple operation and reliable performance.

Diesel engine fire pumps are often used for emergency water supply in high-rise buildings, water companies, steel plants, wineries, chemical plants, hotels, hospitals, and other large-scale projects. Diesel engine fire pump is suitable for unattended emergency water supply system. The product has the characteristics of advanced technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. net pressure.

The electric motor fire pump is an important water supply equipment in the fire protection system. The electric motor fire pump has a wide range of head, flow and power, and can be used in many environments. Providing sufficient water supply is the key to ensure emergency use.

When selecting a firefighting pump, it’s essential to consider factors such as the type and size of fires likely to be encountered, the terrain and accessibility of the area, the availability of water sources, and the expertise of the operators. For example, wildland firefighting may require lightweight and portable pumps capable of drawing water from remote sources, while industrial settings may require high-capacity pumps with specialized features for handling flammable liquids or chemicals.

Measure pump head: Plot flow vs. pressure to establish head-capacity relationships.
Use test results: Compare actual performance to manufacturer data.
Identify pump efficiency: Evaluate power consumption at different operating points.

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.

A horizontal fire pump has its shaft aligned horizontally, making it suitable for installations with more floor space. A vertical fire pump, on the other hand, has a vertical shaft and is ideal for spaces with limited floor area but sufficient vertical space. The choice between horizontal and vertical configurations depends on the available space, system layout, and design preferences.

Application fields of fire pump set:
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.

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

Due to its stable performance and high frequency of use, diesel engine fire pumps can be matched with various domestic and foreign brands of diesel engines according to user needs, and can be selected according to the required head, flow, power and fire pump material requirements to ensure stable use by customers. Diesel engine fire pumps operate automatically It is simple, adopts good hydraulic design and structural design, and has high operating efficiency. It is very suitable for applications in warehouses, docks, power plants, textiles and other enterprises.

Before starting the electric motor fire pump set, the inspection work is indispensable. Check the condition of the power supply and motor, whether the water volume of the reservoir is sufficient, and whether the water inlet and outlet are normal. The inspection is normal and then starts; after the fire pump is started, attention should be paid to the vibration and temperature rise. It is necessary to set the maintenance time period to ensure the stable performance of the fire pump. According to the needs of system operation control and maintenance management, the electrical control cabinet of the fire pump mainly has the functions of starting and stopping the pump, switching between the main and standby pumps, manual automatic switching, dual power switching, patrol inspection, Protection, feedback mechanical emergency start and other functions.

1. Diesel pump: the flow rate is the same as that of the electric pump. It connects pump sets with highly elastic couplings or universal joints.
2. jockey pump: vertical, small flow, higher lift than electric or diesel pumps.
3. Control panel: Automatically control the water pump with overload and overcurrent protection.
4. Accessories: suction pipe, discharge pipe with flange, battery, gate valve, check valve, flexible expansion joint, pressure switch, pressure gauge, base, etc.

The video displays detailed analysis of fire pump set test. Fire pump sets manufactured by our factory are tested before delivery.