End suction EJ pump set

Product Advantages:

1.Reliable
It can run in the condition of power cut.
It can fully run in 15 seconds after the start signal.
Use Universal Joint, high transmission efficiency. good stability, vibration proof.

2.Economic
Jockey pump and pressure vessel can save some electric power.
Convenience:It can be remote controlled by App in phones.

3.Professional Technological
Motor pump is duty pump, diesel engine is for standby
Completely automatic control panel.
Suitable for any emergency firefighting occasions.
Customized product.

First, what’s a water pump? It’s a device used to transport liquid, pressurize the liquid, and make the liquid from the first liquid position to the high liquid position. The first water pump constructed by the Chinese is called” water windmill”. latterly, around 300 BC, the emergence of the” Archimedes screw pump” is more analogous to ultramodern pumps. In addition, the following introductory knowledge points are what you must understand.
1. Centrifugal pump

Centrifugal pump is the most common type of pump. In simple terms, the working principle of centrifugal pump is to rotate the impeller to drive the liquid under the action of centrifugal force. The liquid leaves the impeller and enters the volute. As the inflow passage of the volute gradationally expands, the fluid haste slows down, and the pressure rises continuously, and eventually it’s discharged through the conduit.
2. Impeller
The impeller is one of the main factors in the water pump, and it’s the core element that transmits mechanical energy to the liquid. The impeller is substantially divided into three types open type,semi-open type and closed type. The material conditions for the impeller are high, wear resistance is needed, and the manufacturing process is good.

3. Cavitation

Cavitation is the conformation of numerous bitsy recesses when the liquid connections the liquid under high- speed inflow and pressure, and gradationally expands into grottoes when serious, and cavitation frequently occurs in the impeller and pump covering.

Engineered for extreme conditions, the ZJ-BETTER enclosed diesel fire pump delivers powerful performance, intelligent control, and all-weather reliability—your ideal solution for emergency firefighting scenarios.

The integrated fire pressure stabilization system features advanced variable frequency constant pressure control technology, offering intelligent pressure regulation, energy efficiency, and remote monitoring. It is widely used in high-rise buildings, commercial complexes, and public facilities to ensure stable pressure and rapid emergency response.

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.

The EDJ 2000kw 10kv 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.

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.

Fire pumps are often required to have backup power sources, such as diesel generators or uninterruptible power supplies (UPS), to ensure they function during power outages.

There are many types of fire pumps to deal with more fire water environments. Fire pumps are used in buildings, factories, storage and other places, and the performance requirements and quality requirements are different. The commonly used types of fire pumps are vertical electric fire pumps, diesel fire pumps, horizontal single-stage fire pumps, vertical single-stage/multiple Level fire pumps and horizontal double-suction fire pumps, etc., the specific head, flow and power are selected according to different projects.

The 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.

– Audience Safety: Ensuring reliable fire protection to safeguard audiences and performers.
– Discreet Installation: Designing systems that are discreet and do not interfere with the aesthetics or acoustics of the venue.
– Coverage for Complex Layouts: Providing comprehensive coverage for various areas, including stages, seating, backstage, and storage.
– Compliance with Performance Venue Regulations: Adhering to fire safety regulations specific to theaters and performance venues.

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.

As the name implies, the fire pump is a pump used in fire protection. The fire pump is an imported product. It is divided into different types according to different classification methods. It is fully sealed, leak-free, and corrosion-resistant. It is widely used in environmental protection, water treatment, fire protection, etc. The department is used to pump various liquids, and it is an ideal pump and fire protection system for creating a leak-free, pollution-free civilized workshop and civilized factory. The pump types are similar, but the head and flow are different.

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.

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.

Using a fire pump efficiently and reasonably is crucial to ensure its optimal performance and effective firefighting capabilities. Here are some key considerations for using a fire pump efficiently:

Proper Sizing: Ensure that the fire pump is properly sized for the specific application.

Regular Maintenance: Perform regular maintenance on the fire pump to keep it in optimal condition.

Optimal Operating Speed: Operate the fire pump at the optimal speed based on the required flow rate and pressure.

Water Management: Manage the water supply efficiently to avoid unnecessary waste.

Training and Familiarization: Provide training to firefighters and operators on the proper operation of the fire pump.

Monitoring and Control: Utilize monitoring and control systems to optimize pump operation. These systems can provide real-time information on flow rates, pressures, and energy consumption. Use this data to adjust operating parameters as needed and identify any anomalies or inefficiencies that may require attention.

Shut Down When Not in Use: When the fire pump is not actively needed, consider shutting it down to conserve energy and reduce wear on the equipment.

Record Keeping: Maintain records of pump operation, maintenance activities, and any performance issues.

Efficient and reasonable use of a fire pump not only helps conserve resources but also ensures its readiness to combat fires effectively. By following proper operating procedures, conducting regular maintenance, and promoting a culture of efficiency among operators, the fire pump can operate optimally and provide reliable firefighting capabilities when needed most.

ZJ-BETTER diesel fire pump set with advanced automatic control system ensures 24/7 fire safety in high-rises, petrochemical plants, and industrial sites. Smart monitoring, high efficiency, and compliance with ISO, CE, and UL standards.

The diesel engine fire pump has the advantages of light weight, small size, flexible movement, quick start, fast water discharge time, large fuel tank capacity, corrosion resistance, reliable use, convenient maintenance, etc., fast automatic start and self-priming, and self-priming after dry running. Heavy-duty pump bearings – longer life; other parts are made of high-quality copper and stainless steel or customized by customers. The high-efficiency open impeller design of the diesel engine fire pump can handle large solids and abrasive materials while maintaining a high flow rate, and the large-capacity air treatment can be used for more “well point dewatering projects”.

The diesel engine-driven fire pump complete set highlights its ability to supply water independently even in the event of power failure or emergency. The product integrates diesel engine, water pump, control system and piping system, with automatic start, stable performance, convenient operation and other characteristics. It is suitable for all kinds of places with high requirements for fire fighting, such as industrial parks, petrochemicals, power plants and municipal projects, etc., and is an important equipment for ensuring fire safety.

·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 dual-power fire pump is mainly used for various fire hydrants and spray fire main pumps. It is also suitable for various fire booster and pressure stabilizing pumps. It is also suitable for various villas, residential areas and other fire systems, industrial It is also suitable for various oil depots, oil loading and unloading docks, logistics parks and other places with high fire protection level requirements.

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.

The intelligent diesel engine water pump products produced by our company are equipped with an unattended intelligent system as standard configuration. The product has the characteristics of mature technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation and high cost performance. At the same time, in order to meet the different needs of users and reasonable investment, the products are divided into multiple application series such as fire pumps, industrial emergency pumps, agricultural water pumps, marine water pumps, trailer mobile water pump stations, etc., which can be linked and switched with electric fire pumps. Supporting water pumps: single-stage fire pump, multi-stage fire pump, single-stage split double-suction fire pump.

In challenging environments such as high temperatures, freezing cold, high humidity, or dusty industrial zones, conventional fire equipment often fails to perform reliably. To meet these demanding conditions, we proudly present our Heavy-Duty Diesel Fire Pump Set — a robust solution specifically designed for extreme working scenarios.

Powered by an industrial-grade diesel engine, this unit offers strong torque and excellent start-stop response. It is equipped with a high-flow, high-head end suction or split-case fire pump, delivering steady water pressure even under the most adverse conditions. Built on a solid steel base, the unit is resistant to vibration and corrosion, making it ideal for long-term continuous operation.

Its intelligent control system supports automatic start/stop, remote monitoring, and alarm linkage, ensuring safe and efficient performance even in unattended situations. Optional features include dual power switching, automatic battery charging, and preheating for rapid startup and stable operation.

Whether deployed in petrochemical plants, power stations, mining fields, or offshore platforms, this heavy-duty diesel fire pump set stands as a reliable line of defense for life and property.

Fire pumps are an important part of the fire protection system, especially in high rise structures.In basic 400 – 500 or advanced water situations, fire pumps are important to distribute water into water lines and sprinkler systems where the water pressure of the fire fighting equipment cannot reach. Especially in low-rise structures, fire pumps are important for fire control.
Stylistically, fire protection is a dangerous activity, but without a well-designed and professionally installed system and pump, it certainly becomes more dangerous and commercial assets and lives are less at risk.

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.

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.

The integrated electric fire pump unit combines system integration with intelligent control, offering high efficiency, safety, energy savings, and easy maintenance—ideal for high-rise buildings, industrial facilities, and modern fire protection systems.

The diesel engine fire pump unit is directly driven by the diesel engine fire pump, and it is a mechatronic equipment that can start and complete the water supply in a short time. The diesel engine pump set is driven by a diesel engine without external power supply. Diesel pumps are suitable for fire water supply occasions such as agricultural irrigation, emergency rescue, smelting, hangars, petrochemical oil depots, power plants, liquefied gas stations, and textiles. Especially in the case of no electricity and dissatisfaction with the grid, choosing a diesel engine-driven water pump is the safest choice.

1. Electric fire pump: various end suction pumps and split pumps.
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