DJ fire pump equipment with good starting characteristics

It’s a customized EJ fire pump set consisting of electric pump, jockey pump along with control panel, and accessories. It is equipped with priming tank for doing negative suction.

EJ fire pump set is a fire water supply equipment composed of an electric pump and a jockey pump designed and manufactured by Better Technology Co., Ltd. according to the <> standard, and has obtained 3CF certification. There are many models of Better dual-power fire pumps, which can be customized according to needs.

In today’s world of increasingly extreme weather and complex installation conditions, the enclosed fire pump set offers a robust and reliable solution for modern fire protection systems. With its fully enclosed cabinet design, this unit provides exceptional protection against dust, rain, and corrosion, while also delivering outstanding impact resistance. It is well-suited for tough environments such as construction sites, oil fields, ports, and underground parking facilities.

The system integrates a diesel engine, fire pump, control panel, and fuel tank within a weather-resistant metal housing. This design not only saves valuable space but also eliminates the need for a traditional pump room, reducing construction and maintenance costs significantly. Its louvered ventilation and multi-layer insulation effectively control heat and noise, ensuring quiet and efficient operation even under pressure.

Whether facing scorching heat, coastal humidity, or dusty desert climates, the enclosed diesel fire pump set remains a reliable safeguard—ready to perform at any moment and in any condition.

The standard DJ fire pump set consists of one diesel pump + one jockey pump, which is suitable for fire protection occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas, textiles, ships, and oil tankers.

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.

1.Flow: 50-5000GPM
2.Head: 3-20Bar
3.Speed: 740-2900r/min
4.Power: Electric pump: 1.5-710 kw, Jockey pump: 0.55-160kw
The EEJ Fire Pump System includes two electric pumps and a jockey pump.With exceptional performance and efficiency, the EEJ Fire Pump System delivers high pressure and large flow capacity, enabling rapid and effective fire suppression.

When selecting a fire pump, understanding the advantages and suitable scenarios for electric fire pumps and diesel engine fire pumps is essential. Each type of pump has its unique features, providing different fire protection solutions to meet varying needs.

Electric fire pumps are ideal for environments with stable power supply. They typically have lower operational costs and higher efficiency. Electric pumps start quickly, produce less noise, and require less maintenance, making them the perfect choice for most modern buildings and commercial facilities. Their intelligent control system supports automatic start-stop, fault diagnosis, and remote monitoring, ensuring the system operates efficiently and safely.

Diesel engine fire pumps, on the other hand, are better suited for locations with unstable or no power supply. Diesel pumps can operate independently in the absence of electricity, ensuring a stable water source during emergencies. Although diesel pumps are usually more expensive and require more maintenance, they have exceptional emergency capabilities and can operate reliably in any environment, making them particularly suited for industrial parks, mining areas, and remote regions.

Choosing the right fire pump system should depend on the site’s power supply situation, operating costs, maintenance capabilities, and the required emergency response capacity. Whether opting for an electric fire pump or a diesel engine fire pump, we are committed to providing you with the most reliable and efficient fire protection solutions.

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 DJ Fire Pump Set is a combination system consisting of a diesel engine pump and a jockey pump, designed for fire safety in the construction and industrial sectors. This system utilizes the powerful power output of the diesel engine pump, ensuring reliable operation even in the event of a power outage. The jockey pump maintains a constant water pressure, optimizing the performance of the fire suppression system. The DJ Fire Pump Set offers a reliable and efficient solution for prompt response to fire incidents, making it an essential component for protecting property and ensuring occupant safety.

Flow: 30-500GPM
Head: 3-20Bar
Speed: 740-2900r/min
Frequency: 50 HZ or 60 HZ

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.

Energy-saving twin fire pump unit suitable for multiple applications such as residential, industrial, and warehouse use. Features intelligent control, high efficiency, and reliable operation to enhance overall fire safety.

High-performance stainless steel pressure stabilization unit engineered for modern fire protection systems, delivering reliable pressure control, corrosion-resistant construction, intelligent monitoring, and long-term stable operation for commercial, industrial, and high-rise applications.

Product Introduction of EDJ Fire Pump System
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, control box
3. Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump
4. Control panel: Auto Control of electric pump, diesel engine pump and Jockey Pump with overload, over current protection。
5. Accessories: check valve, gate valve, pressure vessel, generally 0.6mpa, 1.0mpa, 1.6mpa, Pressure Gauge, Pressure Sensor, Common Pipe for Suction and Discharge, Flexible Joints and Flanges, Common Base plant

Complete electric fire pump system designed for sprinkler and hydrant applications, providing stable pressure and reliable water supply for building fire protection. Features automatic control, backup pump operation, energy-efficient performance, and easy installation, ideal for commercial, industrial, and residential fire safety systems.

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. Elevate your fire safety standards with this powerful solution and gain peace of mind knowing that your property and lives are protected. Choose the Outdoor Fire Pump Set and experience the ultimate fire protection solution.

Electric-driven stainless steel centrifugal fire pumps offer advantages such as high-efficiency water supply, corrosion resistance, and stable operation. They are suitable for chemical, coastal, and industrial fire protection systems, providing reliable and efficient fire water supply solutions.

High-performance emergency fire pump equipment designed for reliable, high-pressure and high-flow water supply in critical firefighting situations. Features fast diesel engine startup, stable continuous operation, intelligent control system, and durable construction, making it ideal for industrial facilities, municipal systems, and remote fire protection applications.

In cold climates, fire pumps must be designed and installed to prevent freezing and ensure reliable operation in low temperatures. This includes using heated enclosures or pump rooms to keep the pumps and associated piping above freezing temperatures. Insulation and heat tracing can be applied to pipes to prevent water from freezing, particularly for outdoor or exposed piping. Additionally, anti-freeze solutions may be used in sprinkler systems to protect against freezing. Fire pumps in cold climates must also be tested and maintained regularly to ensure that all components, including heaters and insulation, are functioning correctly. Special considerations are also given to the type of fire pump selected, with diesel-powered pumps often preferred over electric ones in areas where power outages during winter storms are common.

High-reliability electric fire pump units are suitable for sprinkler and fire hydrant systems, featuring stable pressure output, rapid start-up performance, continuous water supply capability, and comprehensive safety control design, providing reliable emergency water supply for building and industrial fire protection systems.

The electric fire pump set has the advantages of quick start, reliable water diversion, stable operation, high degree of automation, wide range of pressure and flow, etc. It is an advanced and reliable fixed fire-fighting equipment. It is mainly used in fire water supply and foam fire extinguishing systems in industries such as petroleum, chemical industry, natural gas, power plants, textiles, wharves, gas stations, storage, high-rise buildings, etc.

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

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.

Diesel integrated fire pump system for harsh environments, offering stable pressure, fast startup, and modular installation for 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.

ED small fire pump set (referred to as ED small fire complete set of water supply equipment) refers to a highly integrated electromechanical system with a flow rate of less than 100GPM and composed of electric centrifugal pumps, multi-stage centrifugal pumps (booster pump sets), diesel engine centrifugal pumps, pressure limiting protection Device (safety valve), valve fittings, control system, pressure sensor system, waterless protection device, backflow preventer, soft joint, bypass pipeline, common base, filter, etc. It is a fire-fighting water supply equipment that continuously supplies water to the fire-fighting pipe network at a preset pressure.

There is a combination equipment that uses diesel as fuel for firefighting, but it is usually used as a backup firefighting facility, because it can only be started automatically when the firefighting signal comes, and the electric water pump fails or the power supply is cut off, that is, the diesel engine firefighting pump set. It is very different from the electric fire pump in that it has its own independent power supply and storage system.

Integrated fire pump units for fixed fire protection systems combine fire pumps, pipelines, valves, and control systems. They are compact, easy to install, start up quickly, and operate stably. They are suitable for high-rise buildings, industrial plants, and various long-term fire water supply scenarios, providing reliable and efficient fire water supply.

Fire pumps are subject to rigorous testing and maintenance protocols to ensure they are always ready to operate in an emergency. This typically includes regular weekly or monthly churn tests, where the pump runs without discharging water, and annual flow tests, which verify that the pump can achieve its rated flow and pressure. These tests are crucial for identifying potential issues, such as wear and tear on components, blockages in the piping, or problems with the power supply. Additionally, fire pumps must be inspected for leaks, corrosion, and other signs of deterioration. Regular maintenance, including lubrication, alignment checks, and part replacements, helps extend the pump’s lifespan and ensures its reliability when needed most.

500gpm8bar EDJ waiting for dispatch

Explore the advanced technology and reliability of diesel fire pumps in this detailed article. Learn how these pumps ensure safety, provide efficient firefighting solutions, and offer long-lasting performance in demanding environments. Discover how technological innovations enhance operational efficiency, reduce energy consumption, and minimize environmental impact for superior fire protection.