Fire pump is one of the fire equipment

DJ series fire pump set consists of Diesel pump + Jockey pump and all accessories.
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.

The high-efficiency automatic water pump system for dewatering projects adopts advanced vacuum-assisted water priming technology and has advantages such as automatic water priming, high suction head, large flow rate drainage, continuous operation, intelligent control, and energy saving and environmental protection. It is widely used in building foundation pit dewatering, subway tunnel construction, municipal drainage, mine drainage, water conservancy projects and emergency rescue projects, providing efficient and reliable drainage solutions for complex working conditions.

A fire pump is a crucial component of a fire protection system that provides the required water pressure to deliver water to the fire sprinkler system or other firefighting equipment, ensuring an adequate supply of water in case of a fire emergency.

Automatic vacuum water priming fire-fighting equipment has the advantages of rapid self-priming, independent diesel drive, stable high-pressure water supply and intelligent control. It is widely used in the upgrading of high-standard fire protection systems and provides efficient and reliable fire protection for industrial buildings and key facilities.

Deep well submersible pumps are designed for narrow spaces and deep water extraction, featuring high head, large flow, corrosion resistance, low noise, and energy efficiency. With intelligent control and reliable long-term operation, they are ideal solutions for fire protection, urban buildings, tunnels, and mine drainage.

The automatic fire-fighting pressure stabilizing equipment for commercial buildings adopts a high-efficiency vertical multi-stage pressure stabilizing pump, intelligent control system and pressure tank buffer technology to realize automatic pressure replenishment, constant pressure water supply, remote monitoring and intelligent management of fire-fighting pipelines. It is widely used in fire protection systems of shopping malls, office buildings, hotels, hospitals and large commercial complexes, providing a stable and reliable pressure guarantee solution for building fire safety.

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.

Smart fire water supply system with intelligent control for automatic monitoring, pressure regulation and reliable operation. Designed for high-rise buildings, industrial facilities and commercial projects, ensuring efficient, energy-saving and stable firefighting water supply with remote management capability.

·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

Discover the power of ZJ-BETTER’s integrated diesel fire pump system—engineered for rapid response, stable water flow, and unmatched reliability in critical fire protection. Ideal for commercial, industrial, and off-grid applications worldwide.

Discover how a high-performance diesel-driven fire pump enhances emergency response with continuous operation, fast startup, strong pressure output, and exceptional reliability in demanding firefighting environments. Perfect for industrial sites, remote areas, and critical fire protection systems.

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.

High-durability diesel fire pump engineered for harsh environments, delivering stable high pressure and high head performance. Ideal for industrial, remote, and high-risk fire protection systems.

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.

There are numerous ways to maintain fire pumps and water pumps. The following styles are more effective. You can use them for reference
System 1 The installation of the pump set should be accurate and dependable, and there should be no egregious vibration duringoperation.However, or the bearing is hot to the touch( the temperature is advanced than 60 °C) and the water seepage in the seal of the pump shaft is further than 60 drops per nanosecond, the cause must be set up out and the fault should be excluded in time, If the pump makes abnormal noise when pumping water.
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system 2 Screws that are squinched daily, similar as packing gland screws, irrigation entrapments,etc., should be disassembled with a suitable wrench and a reasonable necklace. You can put some slicking oil painting on it or wipe it regularly with an oil painting cloth to help rust; if the water drain screw isn’t used constantly, it’s easy to rust, so after buying a new water pump, you should first wind the water drain draw, and apply some machine oil painting and white lead oil painting on the screw thread, Change the new oil painting two or three times a time in the future.
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System 3 If the pump is waxed with machine oil painting, the slicking oil painting should be replaced once a month; if it’s waxed with adulation, it should be replaced every six months. It should be noted that the water pump uses calcium- grounded grease, and the motor uses sodium- grounded grease, and they shouldn’t be used inaptly. Because sodium- grounded grease is hydrophilic, it’ll emulsify into froth and dissipate when it encounters water on the pump, while calcium- grounded grease is hysterical of high temperature, so it’s easy to melt when the temperature rises when used on a motor.

system 4 Don’t pump water with too important beach, so as to avoid unseasonable wear and tear of the impeller, mouth ring and shaft, and try to help water deficit operation. Running without water will damage the water seal, and the water pump is prone to water leakage or indeed no water.
System 5 After the irrigation and drainage season is over, the water pump should be precisely gutted and auditedimmediately.However, they should be repaired or replaced in time, and the corridor that should be waxed should be filled with suitable oil painting; Stylish stored in a dry place, If any damaged or misshaped corridor are set up to be unworkable.

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 independent diesel-powered fire pump unit is specifically designed for fire water supply during power outages and emergency situations. It features rapid start-up, continuous and stable operation, high flow rate and head, and an integrated structure. It is widely used in industrial plants, warehouses, large buildings, and critical fire protection systems.

Trailer-mounted fire extinguishing systems are characterized by their mobility, efficient water supply, long-range fire extinguishing capabilities, and adaptability to complex environments. They are widely used in industrial parks, forest fire prevention, construction sites, and emergency firefighting, improving fire extinguishing efficiency and fire safety assurance capabilities.

New Generation Diesel Split Case Fire Pump Systems deliver high-flow water supply, stable pressure performance, independent diesel-powered operation, rapid emergency start-up, continuous-duty reliability, and intelligent control capabilities for industrial facilities, airports, power plants, warehouses, commercial buildings, infrastructure projects, and large-scale fire protection engineering applications worldwide.

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

Fire pumps can be installed in locations with limited space, but it’s important to follow space requirements outlined in the manufacturer’s specifications and local codes. Proper clearances around the pump ensure ventilation and accessibility for maintenance.

The fire pump set is composed of a diesel fire pump and an electric fire pump. The pump set is a horizontal, single-suction, single-stage centrifugal pump. It has the characteristics of high efficiency, wide range of performance, safe and stable operation, low noise, long life, convenient installation and maintenance, etc. It is used to transport clear water or other liquids whose physical and chemical properties are similar to water. It can also be used to transport hot water, oil, corrosive or abrasive media by changing the material of the pump’s flow parts, sealing form and adding a cooling system.

The fire pump is mainly used for water delivery in the fire protection system. As an indispensable tool for the fire protection system, the fire pump has the characteristics of simple structure and stable performance. Due to these advantages of high performance and low energy consumption, the safety and efficiency of the fire pump are far ahead of the pipeline tools of the same purpose.

A multistage pump refers to a pump with two or more impellers, which can absorb and press water in stages and multiple stages, so as to lift the water to a high position, and the lift can be increased or decreased according to the needs of the pump impeller. The multistage pump can be equipped with a four-stage motor by increasing the number of impellers when the single-stage pump head needs to be equipped with a two-stage motor, which can improve the service life of the pump and reduce the noise of the unit. It is placed flat on the ground, with better stability, large flow and head, and wider application.

Diesel engine fire pump sets provide independent drive and continuous water supply for large industrial facilities. They have the advantages of fast start-up, high water pressure output, adaptability to harsh environments and intelligent control, ensuring safe and stable operation of fire emergency and production.

Diesel engine fire pump is a kind of mechanical and electrical integration equipment that is directly driven by diesel engine fire pump and can start and complete water supply in a short period of time. Diesel engine pumps are driven by diesel and do not need an external power supply. Diesel engine water pumps are suitable for various fire water supply occasions such as agricultural irrigation, emergency rescue, smelting, hangars, petrochemical oil depots, power plants, liquefied gas stations, textiles, etc., especially where there is no electricity, When the power grid is not satisfactory, it is the safest choice to use a diesel engine to drive the water pump.

Electric Fire Pump Set with integrated high-pressure water supply system, featuring multistage centrifugal pump, motor drive, intelligent control panel, and complete valve assembly. Designed for reliable, high-flow and stable fire protection performance in high-rise buildings, commercial complexes, industrial facilities, warehouses, and municipal fire systems. Energy-efficient, durable, and easy to install.

The diesel engine fire pump is usually used as a backup facility, so it will only start automatically when the fire signal comes, and when the electric water pump fails or the power supply is cut off. When it has a device for starting the pump at ultra-low pressure, its matching electric water pump control cabinet should also have a device for starting the pump at ultra-low pressure, and the lower limit of the two pumps should have a certain pressure difference.

Diesel engine-driven fire pumps have the advantages of independent energy supply, fast start-up, stable operation and intelligent control. They can ensure reliable water supply even in power outages and extreme environments, greatly improving emergency response efficiency and fire safety levels. They are widely used in industry, petrochemicals, power stations, ports and municipal buildings.

150gpm 150 psi EJ fire pump set ready dispatch