Diesel Engine Centrifugal Fire Pump with Stable Power Output and Efficient Pumping Performance

The dual pump system is an important innovation in fire pump design, offering more efficient and stable fire protection. By incorporating two pumps, the system ensures that if one pump fails, the other can continue to provide steady water flow and pressure, ensuring the reliability and stability of the fire protection system during emergencies.

Compared to single pump systems, dual pump systems not only provide redundancy but also enhance the system’s flexibility. The system can automatically switch between pumps based on firefighting requirements, ensuring optimal water flow and pressure for fires of varying scales. Whether in high-rise buildings, industrial parks, or large commercial facilities, dual pump systems can effectively handle complex fire protection needs.

Additionally, the dual pump system incorporates smart control technology, enabling automatic start-stop, remote monitoring, and fault warnings, greatly enhancing operational convenience and safety. The modular design of the fire pumps simplifies system maintenance and repairs, reducing the likelihood of equipment failure and extending service life.

With an efficient dual pump system, you can significantly improve the reliability of your fire protection system, ensuring a powerful and stable firefighting capacity when it matters most.

All places need to be equipped with fire-fighting facilities, and fire pumps are necessary water intake equipment for fire-fighting facilities. At least one or two fire pumps are equipped. Our commonly used fire pumps are electric fire pumps and diesel engine fire pumps. The difference between the two is The electric fire pump needs to be supplied by the power system. If the power is cut off, the diesel engine fire pump can be started at any time to make up for the original electric fire pump.

Diesel engine fire pump is a kind of fire-fighting equipment that we often see and often 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.

Ensure your fire pump meets NFPA 20 standards with this guide. Learn about installation, testing, and performance requirements.

The general fire water supply environment is equipped with one electric and one diesel fire pump as the reserve water pump to ensure sufficient emergency water consumption. The main components of the electric motor fire pump set are the motor and the pump body. The subdivision of the pump body is the pump casing, impeller, pump shaft, bearing, coupling, sealing form, water pipe, etc. The specific fire pump model is determined according to the environment and performance requirements. At the same time According to the material quotation required by the customer, accurate selection is conducive to on-site use and reduces failure problems.

Fire fighting pumps are used in a wide range of settings, including residential, commercial, industrial, and wildland firefighting situations. They are also used in fire trucks, aircraft firefighting systems, and marine firefighting 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.

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 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.

High-precision pressure-stabilizing pump units provide precise pressure replenishment, intelligent control, and efficient operation, maintaining stable pressure for fire protection systems and improving overall reliability. They are an ideal choice for pressure stabilization solutions in various engineering projects.

As a fixed fire-fighting equipment, the diesel engine fire-fighting pump set has been widely used in fire-fighting diversion, especially for fire-fighting water supply in unexpected situations such as no power supply or abnormal power supply (mains power). The fire pump equipped in the unit is a horizontal single-stage and multi-stage fire-fighting special pump. It is mainly composed of diesel engine, fire pump, connection device, fuel tank, radiator, battery pack, intelligent automatic control panel, etc.

Floating impeller axial force tone- balancing device
The balancing slice device has two gaps, the radial gap behind the impeller and the axial gap of the balancing slice, because of these two gaps, the balancing slice can automatically acclimate the axial l gap to achieve automatic balance of axial force, and the tableware rotor is in a floating state.

The principle of the balance plate is scattered to the impeller, the impeller back mouth ring radial concurrence below the axial concurrence, this device that’s the same as the balance plate, the conformation of two gaps, only in a different position. Because the impeller has these two gaps to round each other, so that the impeller can also achieve automatic balance of axial forces.

The multi-stage fire pump consists of two parts: the motor and the pump, and the motor and the pump are coaxial. The structure of the pump consists of pump body, impeller, pump cover, mechanical seal and so on. The inlet and outlet of the pump are on the same horizontal axis and have the same caliber specification, so the loading and unloading is very convenient, and the floor space is small. The pump is fitted with a base for easy installation and increased pump stability. It is used to transport clear water without solid particles, liquids with physical and chemical properties similar to water. It is mainly used for pressurized water delivery in fire protection system pipelines, and is also suitable for industrial and urban water supply and drainage.

Simplifies piping design
Single source unit responsibility
A complete package that will meet NFPA20 requirements
Packaged systems are performance and hydrostatically factory tested at an IS09001 certified manufacturing facility prior to shipment.
No material lost due to on-site material handling
Improves the speed of construction and reduces on-site installation time
Only external suction, discharge and power connection are required on-site
State of the art engineering design

The fire-fighting dual-power water supply equipment is suitable for all kinds of emergency backup pumps. When the mains is normal, the electric pump set is put into work. When the power supply fails and the electric fire pump cannot be put into use normally, the diesel engine fire pump set can be automatically put into operation to ensure firefighting. Fire extinguishing is carried out normally, and the diesel engine fire pump set is equipped with various automatic functions to meet the requirements of national standards, ensuring that the equipment is in a normal standby state for a long time, and can be put into fire fighting work at any time.

The fire pump diesel powertrain adopts a high-performance diesel engine, intelligent electronic speed control system, high-efficiency cooling system and automatic start control technology. It features high torque output, fast start, continuous operation, low fuel consumption, multiple safety protections and excellent environmental adaptability. It can be widely used in petrochemical, power, airport, port, data center, industrial park and various fire protection projects, providing a stable and reliable independent power solution for fire pump systems.

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.

Electric fire pumps are widely used in our production and life, such as in water treatment, fire safety and other departments. After the reform and opening up, it is widely used in life and production due to its characteristics of complete sealing, no leakage, and corrosion resistance.

Diesel fire pump system combines intelligent control and mechanical reliability, ensuring stable water supply during power outages. Featuring automatic start, high efficiency, durable structure, and easy maintenance, it provides reliable fire protection for high-rise buildings, industrial facilities, and emergency applications.

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 fire pumps are often used for emergency water supply in high-rise buildings, water companies, steel plants, wineries, chemical plants, hotels, hospitals, and other large-scale projects. Diesel engine fire pump is suitable for unattended emergency water supply system. The product has the characteristics of advanced technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. net pressure. Diesel engine fire pumps are selected according to different working conditions: single-stage single-suction centrifugal pumps, high-pressure multi-stage pumps, double-suction split pumps, etc.

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.

Our high-efficiency and durable fire pump solutions feature stable pressure output, strong flow performance, excellent corrosion resistance, and intelligent monitoring capabilities. They are suitable for industrial, commercial, and municipal fire protection systems, providing reliable protection for various fire extinguishing applications and improving overall fire safety.

The fire pump group is composed of electric pump + diesel pump + jockey pump. The conventional electric pump is the main pump, and the diesel pump is the backup pump. The jockey pump plays a role in the stabilization of the whole system. When the electric pump fails or When the mains is cut off, the control cabinet will receive the signal from the electric contact pressure gauge and start the diesel engine pump within 5 seconds, and reach the rated working condition within 20 seconds to ensure the normal firefighting work.

High-efficiency long-shaft fire pumps have advantages such as stable water intake from deep wells, high-lift water delivery, intelligent control, and corrosion-resistant operation. They are widely used in the upgrading of underground water source fire protection systems, providing reliable fire water supply for industrial facilities and complex environments.

Yes, modern fire pumps typically come with safety shutoff features to prevent damage from overheating, low oil pressure (for diesel pumps), or running dry. These features are designed to protect the equipment and prolong its life, though in critical applications, it’s vital that shutoff mechanisms do not compromise firefighting capabilities.

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.

The EDJ fire pump group is composed of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the stabilized 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 long-term emergency operation-specific continuous-operation vertical fire pump adopts a vertical turbine pump and diesel power system design, which has the advantages of deep water intake, large flow water supply, high head output, continuous operation and intelligent control. It is widely used in rivers, reservoirs, deep well water intake and industrial fire protection systems, providing stable and reliable emergency fire water supply solutions for petrochemical, power, port and municipal fire protection projects.

The automatic control fire-fighting pressure replenishment equipment adopts a vertical multi-stage centrifugal pump and an intelligent pressure control system. It has advantages such as automatic constant pressure, precise pressure replenishment, rapid response, low energy consumption operation, multiple safety protections and remote monitoring. It is widely used in high-rise buildings, industrial parks, data centers, hospitals, airports, petrochemical and municipal fire protection projects, providing a stable, efficient and intelligent fire pressure management solution for modern fire water supply systems.