Daily use of diesel engine fire pump

The EDJ fire pump unit consists of a fire pump, a double-shaft motor and a diesel engine. One end of the output shaft of the double-shaft motor is connected to the input shaft of the fire pump, and the other end of the output shaft of the double-shaft motor is connected to the One end of a clutch is connected, and the other end of the clutch is connected with the output shaft of the diesel engine. The fire water pump, the double-shaft extension motor, the clutch and the diesel engine are all fixed on the base. The double shaft extension motor, the clutch and the diesel engine are respectively electrically connected with a control circuit through an action drive circuit. With dual-power fire pumps, there is no need to configure a second fire pump, which reduces floor space and saves manufacturing costs.

Diesel engine fire pump is simple in structure, reliable in performance, small in size, light in weight, good in corrosion resistance, low in power consumption, easy to use and maintain, suitable for urban environmental protection, construction, fire protection, chemical industry, pharmaceuticals, dyes, printing and dyeing, brewing, electricity, electroplating , papermaking, petroleum, mining, equipment cooling, tanker unloading, etc. Diesel engine fire pumps are used in warehouses, wharfs, airports, petrochemicals, power plants, liquefied gas, textiles, ships, tankers, enterprise backup and other fire-fighting water supply in various occasions, and can also be used for domestic water supply.

Our fire pump utilizes advanced low-pressure compensation technology to ensure a strong and stable water flow even in conditions of insufficient water pressure. The high-efficiency power system, combined with an intelligent control module, enables rapid startup and precise adjustments, enhancing firefighting efficiency. Made from high-temperature resistant and corrosion-proof materials, our pump remains reliable in extreme environments, providing robust protection for building safety.

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 is designed to enhance fire safety in various applications. From powering fire hydrants and stabilizing sprinkler systems to safeguarding residential areas, industrial buildings, and high-risk environments, the Outdoor Fire Pump Set delivers optimal performance and unmatched reliability.

The minimum rated fire pressure of dual power is 0.3MPa, and the minimum rated fire
rated work flow is 2L/S. Dual power includes motor pumps, engine pumps, pressure
stabilization pumps, diaphragm pneumatic tanks, pipes, valves, electrical control systems,
control sensors and other related accessories driven by at least two power sources. Fire
water supply equipment is continuously supplied to the fire control network by preset mode.
The arrangement is reasonable, the installation is firm, the connection is reliable, the
structure is compact and neat, and is convenient for maintenance and overhaul

Learn how to choose the ideal fire pump for your building by evaluating system demand, pump type, NFPA 20 compliance, and water supply conditions.

The box-type fire pump set can be used outdoors, without the need to build an additional pump room, saving costs, small footprint.There is a complete set of standard EDJ fire pump set in the box, which is composed of electric pump, diesel pump and stabilized pump, equipped with control cabinet, which is more convenient to use.

EDJ fire pump set is suitable for any emergency firefighting occasions, such as: firefighting water supply and emergency water supply in warehouses, docks, airports, petrochemicals and other occasions. This product can run in the case of power failure, the product has strong stability and is more reliable, and the jockey pump and pressure vessel can save some electricity and save costs.

1. Perform regular maintenance on the fire pump as recommended by the pump manufacturer.

2. Visually inspect the fire pump periodically and repair any damages or leaks detected.

3. Make sure that the fire pump is adequately cooled and lubricated as specified by the manufacturer.

4. Test the fire pump regularly with a suitable hydrostatic pressure test to ensure that it is functioning as designed.

5. Replace the seals of the pump regularly as necessary.

6. Ensure all electrical connections are proper and secure to avoid short circuits or other electrical problems.

7. Keep the fire pump area clean and free from dirt, dust, and debris.

Diesel engine fire pump can not be short of a good helper, the rapid development of social science and technology, it has been widely used in the society. The use of diesel engine fire pump is very wide, for the fire has played a very important role, with it can also solve a lot of problems we can not solve before, to bring great help to firefighters, save time and effort is out of efficiency.

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.

The fire pump is mainly used to pressurize and send water to the fire system pipeline. It can also be applied to industrial and urban water supply and drainage, high-rise building underpressure water supply, long-distance water supply, heating, bathroom, boiler cold and warm water circulation pressurized air conditioning refrigeration system water supply and equipment matching and other occasions. The fire pump produced by Better Technology Group Co., Ltd. has the advantages of simple structure, stable performance, high speed, small size, light weight, high efficiency, large flow, easy operation and maintenance, etc.

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.

Flow: 2500gpm
Head: 10bar
This pump uses horizontal split case pump.
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.

The motor of this fire pump set is directly connected to the fire pump, which simplifies the intermediate transmission structure and enhances the stability of operation. The equipment occupies a small area, saves costs, and is a cost-effective fire pump set.

The diesel engine fire pump is usually used as a backup facility. It will only start automatically when the electric water pump fails or is powered off when the fire signal comes. When equipped with an ultra-low pressure pump starting device, the matching electric pump control cabinet should also be equipped with an ultra-low pressure pump starting device, and the lower limit of the pump should have a certain pressure difference. Of course, it is also possible to design a control system that is more suitable for customer needs according to customer requirements.

Learn how to read fire pump performance curves to evaluate flow, pressure, and efficiency for selecting the right pump and ensuring optimal fire protection.

·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

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.

Diesel engine fire pump sets are mainly suitable for fire water supply and foam fire extinguishing systems in petrochemical, natural gas, power generation, cotton and linen textiles, warehouses, airports, docks, high-rise buildings and other industries. It can also be used in occasions such as water ships, offshore oil tankers and fire fighting ships. The unit adopts imported diesel engine and fire pump. It has the characteristics of quick start, reliable water diversion, reasonable power reserve, stable operation, high degree of “three modernizations”, wide range of pressure and flow, etc. It is an advanced and reliable fire-fighting equipment.

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.

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.

Diesel engine fire pumps are fire-fighting equipment produced by our company for many years to meet the actual needs of users and the requirements of modern fire-fighting technology. Manufactured with mature control technology and reliable components. The system has the advantages of high technical content, high degree of automation, and perfect performance, all of which meet the relevant requirements of national standards.

There are many types of fire-fighting equipment, fire hydrants and fire extinguishers are a common category, and there is also a category of fire pumps, which can be described as the heart of the fire-fighting system and play an important role in pressurising the water supply for the fire-fighting system. Among the many fire pump products, fire pumps can be divided into multi-stage and single-stage fire pumps.

Multi-stage pumps have high efficiency, corrosion resistance, reliable operation and other properties, strong bearing capacity of the pump body, strong resistance to overload and more sensitive start. Ltd. introduces you to the relevant features of multi-stage pumps. First of all, Shanghai Xizhiquan multi-stage pumps have a compact structure, with small spacing between parts and small volume. The equipment runs smoothly, has a long service life and produces less vibration during operation, so the practical life of the equipment is correspondingly long.

With its unique structure, the direction of the water inlet and outlet can be adjusted according to different needs, so it is suitable for various place environments. The direction of the inlet and outlet is horizontal, which reduces the number of bends in the pipeline connection, thus simplifying the pipeline connection and greatly enhancing the efficiency of the fire fighting system.

The efficient operation of the multistage pump is used in many larger, more demanding fire-fighting locations. Its role is mainly to play a role in the fire fighting pipeline system to pressurise and send water, multi-stage pumps are not only suitable for all kinds of fire fighting systems, but also for industrial drainage, high-rise building water pressure supply, long-distance water delivery, water circulation pressure and other occasions.

·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

A diesel engine main pump. a jockey pump(used in the place where the pump runs entirely through the diesel engine)

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.

3 sets 100gpm 7bar EDJ fire pump set

The EJ (Electric pump + Jockey pump) 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.

1. When the pipeline fire pump noise occurs, the most likely fault is the imbalance of the fire pump rotor. Since the water output of the fire pump mainly depends on the high-speed rotation of the rotor, when the rotor is unbalanced for some reason, it will cause the fire pump to deviate from the original rotation track during the rotation process, resulting in the fire pump appearing in the pipeline. When judging the failure of the rotor, it is mainly to replace the rotor of the pump or make a balance hole on the rotor blade of the pump to find out the balance difference.

2. The production noise of the fire pump pipeline has a certain effect. For example, forcing a small flow of a pipe “fire pump” to increase power to increase the original flow will create vibrations in the fire pump. Therefore, whether you use a pipeline fire pump or other types of water pumps, you should follow the water pump use standards to prevent the water pump from making noise, which will affect the service life of the water pump. The solution is to use the pump according to the instructions. If the efficiency of use is affected, it is recommended to replace the appropriate pipeline “fire pump” for use.

3. The installation did not meet the standards, resulting in abnormal noise from the pipeline fire pump. Fire pumps and fire hydrant pumps vibrate at a high frequency during operation, so they must be fixed during installation. If the bolt between the pump body and the base or between the base and the base is loose when installing the pipe fire pump, the transmission shaft between the pump body and the motor of the pipe pump will be bent. It lowered the concentricity and caused an imbalance in the fire pump rotor. This is one of the noise phenomena of fire pumps. In order to improve this phenomenon, the pump shaft of the fire pump needs to be balanced and then reinstalled. Finally, the base of the pump was reinforced.

4. Blockage of the impeller passage can also cause fire pump noise. When the internal flow channel of the fire pump is blocked by foreign matter, it will cause uneven resistance of the fire pump impeller and vibrate the fire pump. Therefore, it is necessary to regularly disassemble and maintain the fire pump to prevent foreign matter from blocking the pipeline.

5. The bearing of the fire pump is damaged. Bearing damage generally does not occur on the main body of an in-line fire pump. If there is a problem with the quality of the pump, or because some hard objects enter the pump body of the tube pump, the bearing is damaged, and the rotor is unstable at first. Causes noise from pipeline fire pumps.

6. Finally, cavitation, cavitation occurs in any type of pump, but some are obviously not noticeable. If cavitation occurs, consider raising the fire pump or increasing the pressure in the piping. If the cavitation phenomenon cannot be changed, the fire pump model needs to be redesigned and replaced.