Trailer-Mounted Diesel Fire Pump – Mobile Deployment for Temporary Fire Water Supply

In cold climates, jockey pumps must be designed and installed with specific considerations to prevent freezing and ensure reliable operation. This includes using heat tracing or insulation on piping and pump components exposed to low temperatures to prevent ice formation that could block water flow. Jockey pumps may also be housed in heated enclosures or indoor pump rooms to maintain a consistent temperature around the equipment. Additionally, the selection of antifreeze solutions or special materials resistant to cold temperatures can help protect the pump from damage. Regular monitoring and maintenance are also essential to ensure that the jockey pump remains operational and that the fire protection system is always ready to respond, even in harsh winter conditions.

The diesel engine-driven independent power fire pump unit has the advantages of strong power, power outage availability, automatic control, high head and large flow. It is suitable for high-rise buildings, industrial parks, petrochemicals, power plants and remote areas, ensuring continuous and stable fire water supply and providing safe and efficient fire extinguishing solutions.

With the continuous progress of the times, the application of diesel engine fire pumps is becoming more and more extensive. Diesel engine fire pump is a common necessary facility. Only when the fire signal comes, and the electric water pump fails or the power supply is cut off, the diesel engine fire pump will automatically start. The diesel engine fire pump is installed together with the electrical instrument, with complete functions, compact structure, automatic fault alarm, accepting the starting signal, and can automatically complete the starting procedure and run at full load quickly. When the diesel engine fire pump is insufficient in fuel, low battery voltage, and high lubricating oil temperature , enough to ensure that the diesel engine fire pump starts in a low temperature environment, the entire system of the diesel engine fire pump is safe, reliable, and easy to use.

120≤Q≤3000GPM
100＜H≤600m
horizontal multistage centrifugal pump is multistage single suction sectional centrifugal pump with excellent hydraulic model, it has advantages of high-efficiency, energy-saving, wide performance range, operating safely and steadily, low noise, long life and convenience for installing and repairing etc.

Advanced integrated control diesel fire pump with auto start-stop, remote monitoring, and multiple safety alarms—ideal for factories, warehouses, petrochemical, and energy sectors to ensure uninterrupted industrial fire protection.

The ZWX box-type non-negative pressure water supply equipment is a pressurized water system designed to address inadequate municipal water pressure in critical settings such as hospitals and hotels, where water cannot be shut off. It also serves as an ideal solution for meeting the domestic water needs of high-rise buildings and, specifically, fulfilling the water requirements of schools. This equipment ensures a continuous water supply, even during maintenance or emergency situations, effectively resolving the challenges posed by low water pressure. With its efficient pressurized water supply and advanced control technology, the ZWX equipment offers stable water pressure and flow rates, catering to the diverse demands of different settings. Furthermore, its intelligent operation and energy optimization contribute to reduced energy consumption.

EDJ fire pump after packaged
250gpm 10bar EDJ fore pump set

1. Whether the fire equipment is in good condition, including whether the fire extinguisher is leak-proof and whether the alarms, lights, fire hydrants, fire doors and other equipment are working properly.

2. Whether the personnel of the unit have received professional fire safety training.

3. Whether the layout of the office space follows the fire safety regulations, such as whether the aisle and emergency routes are unblocked and whether the relevant structural objects are in good condition.

4. Whether the management of flammable and explosive materials meets the relevant regulations and whether their storage places and transportation are kept in good condition.

5. Whether the fire exits are unobstructed and clear, and whether the signage and lighting is normal.

6. Whether the underground pipelines, cable linings, and other equipment that are easy to cause a fire accident are managed in accordance with relevant regulations.

7. The integrity and security of the fire-fighting equipments.

8. Whether alarm systems are set up in the internal and external parts of the structures and at important points in the facilities.

9. Whether the fire-fighting system is in good condition and whether the drafting of emergency evacuation plans is in compliance with applicable regulations.

Modern fire protection system-specific energy-saving fire pressure stabilizing pumps adopt an integrated design of vertical multistage centrifugal pump, high-efficiency motor, intelligent control system and pressure tank. They have advantages such as constant pressure water supply, automatic start and stop, energy-saving operation, stable pressure, convenient maintenance and high reliability. They are widely used in automatic sprinkler systems, fire hydrant systems, high-rise buildings, commercial complexes, hospitals, schools and industrial fire protection projects, providing efficient, stable and intelligent pressure stabilization solutions for modern fire water supply systems.

Robust electric fire pump designed for harsh industrial environments, delivering stable high-pressure and large-flow water supply for reliable fire protection. Features durable construction, energy-efficient motor, continuous operation capability, and advanced control system, ideal for factories, warehouses, and municipal fire systems.

Emphasize how regular maintenance keeps fire pumps in optimal working condition, prolongs equipment lifespan, and reduces unexpected breakdowns. Discuss what routine maintenance entails, from inspecting seals and lubricating parts to checking electrical connections. Highlight the potential consequences of neglecting maintenance, like costly repairs or failures during emergencies.

Discover the advanced features of next-generation diesel fire pumps with intelligent monitoring and remote control capabilities. Ensure reliable fire protection with real-time data, automatic alerts, and remote operation for industrial and commercial applications.

The water source for fire pumps should be reliable, with adequate capacity to meet the demands of firefighting. It can include dedicated water tanks, connection to a municipal water supply, or other approved water sources. Regular checks ensure the availability and quality of the water source.

Horizontal multistage fire pumps are high-efficiency, stable, and high-lift fire water supply equipment, widely used in fire protection systems of high-rise buildings, factories, and infrastructure. These pumps feature compact structure, low energy consumption, stable operation, and easy maintenance. They provide strong water pressure and stable flow during fires, ensuring reliable operation of fire protection systems and making them an ideal choice for ensuring safe water supply.

The pump will start to work when the pressure in the fire extinguishing system pipeline of EDJ small Fire Fighting water supply equipment drops suddenly. The first triggered pump is the jockey pump(pressure stabili-zation pump). The pressure stabilization pipeline of the jockey pump is allowed to start frequently within a certain range. In general, the pressure of the jockey pump is 1-1.5 bar higher than that of the main pump.

Motor-driven horizontal fire pump units have advantages such as high efficiency, large flow rate, stable operation and intelligent control, and are widely used in building and industrial fire protection systems, providing reliable and efficient fire water supply solutions.

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.
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.

The EDJ model is basically a combination of Electric, Deisel and Jockey pumps. They mainly consist of an electric motor driven end suction pump and a backup pump of a diesel engine driven end suction pump. It is also combined with a jockey pump for maintenance to form a complete skid.
The complete EDJ style skid is assembled with all discharge line fittings and connected to the skid mounted control panel.

Stainless steel pipe fire pump units offer excellent corrosion resistance, strength, and sanitation, ensuring long-term stable water supply and clean water quality. Highly efficient and energy-efficient, they are easy to maintain and are widely used in high-end buildings, industrial sites, and public facilities, providing safe and reliable protection for fire protection systems.

High-lift vertical fire pumps are designed for direct water supply to large fire water tanks. They feature high lift output, rapid start-up, stable operation, and continuous water supply capability, making them suitable for high-rise buildings and industrial fire protection systems, thus improving the overall safety of fire water supply.

This high-performance diesel fire pump is specifically designed for warehouse and factory fire protection systems. It features high temperature resistance, continuous long-term operation, independent power supply, and stable water delivery capabilities. It reliably starts even in extreme conditions such as power outages, making it suitable for high-risk industrial and warehousing fire protection applications.

·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

Large mobile pump trailer delivering high-flow drainage and long-distance fire water supply, offering fast deployment, strong power and reliable performance for emergency engineering.

Discover the advantages of modular fire pump stations with compact structure and powerful performance. Ensure reliable water supply, space-saving installation, energy efficiency, and intelligent control for modern fire protection systems.

Electric pump + diesel pump + joceky 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.

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.

Diesel engine fire pump is a kind of fire-fighting equipment that we often see and use in our life. The diesel engine fire pump has the characteristics of good starting performance, strong overload capacity, compact internal structure, convenient maintenance, simple operation and high degree of automation. It is a very reliable fire fighting equipment.

Electric motor fire pumps are used in various water environments, not only to meet the general water supply but also to be a good helper for fire water. The electric motor fire pump is manufactured with good structure and workmanship. It has a wide range of performance, and is easy to use and operate for a long time. The motor fire pump is aimed at various fire water environments, so the selection should also be based on the actual demand environment, performance parameters, etc.

Automatic fire pump skid unit designed for large-scale fire protection networks, featuring high-efficiency centrifugal pumps, intelligent automatic control, stable high-pressure water supply, and reliable performance for industrial facilities, commercial buildings, and infrastructure fire safety systems.

Small capacity electric fire booster pump designed for automatic fire protection systems, providing stable pressure maintenance, reliable performance, compact structure, and efficient operation for sprinkler systems, hydrant networks, and building fire safety applications.