High Pressure and Flow Capacity Combined: Introduction to Diesel-Electric Combined Drive Fire Pump

As the name implies, fire pumps are classified into different types according to different classification methods, and are widely used in environmental protection, water treatment, fire protection and other departments because of their fully sealed, leak-free, and corrosion-resistant characteristics. liquid-like. The pump types are similar, but the head and flow are different. The selection basis of the fire pump should be considered according to the process flow, water supply and drainage requirements, and other five aspects.

Flow:120GPM~1500GPM
Rated pressure: < 150m Speed: 2950 to 3550 RPM

Application fields of fire pump set:
Industrial fields: various petroleum, petrochemical, chemical, oil fields, management bureaus, oil depots, oil terminals, oil refineries, offshore platforms, etc., national grain depots, thermal power plants, steel mills, shipyards, paper mills, etc.;
Commercial fields: five-star hotels, hospitals, schools, supermarkets, office buildings, large commercial complexes, highway tunnels, subway stations, railway stations, airports, fire engineering companies.

Diesel engine fire pump is a common fire fighting equipment, especially suitable for use in places without electricity supply. The diesel engine fire pump uses a diesel engine as a power source to convert the work of the pump into hydraulic power to achieve a certain flow and pressure. It is mainly used in building fire protection, engineering fire protection, water source fire extinguishing and other fields.

·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 fire pump set is a customized 160kw EDJ fire pump, which is composed of electric pump + diesel pump + jockey pump. It is a standard fire pump set, which is easy to install the fire pump set on site; easy to debug; Wiring electrical connections; less space requirements; all (pump, drive and controller) on one base, etc.

Diesel engine fire pump is simple in structure, reliable in performance, small in size, light in weight, good in corrosion resistance, low in power consumption, easy to use and maintain, suitable for urban environmental protection, construction, fire protection, chemical industry, pharmaceuticals, dyes, printing and dyeing, brewing, electricity, electroplating , papermaking, petroleum, mining, equipment cooling, tanker unloading, etc. Diesel engine fire pumps are used in warehouses, wharfs, airports, petrochemicals, power plants, liquefied gas, textiles, ships, tankers, enterprise backup and other fire-fighting water supply in various occasions, and can also be used for domestic water supply.

·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 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.

The diesel engine fire pump set has good starting performance, compact structure, humanized design, convenient maintenance, simple and convenient use, and high degree of automation. It is a very good fire pump. The diesel engine fire pump has the advantages of long head and wide application range, and can meet the fire water supply in multiple places such as warehouses, docks, airports, power plants, liquefied gas stations, and petrochemical industries.

Early detection of fire pump issues is crucial for preventing critical system failures. This article explores the functionalities and benefits of fire pump alarms and monitoring systems in detail. It explains how these systems provide real-time data on the status and performance of fire pumps, enabling early warning of potential problems. By embracing these technologies, facility managers can ensure continuous oversight and timely intervention.

Challenges in Marine & Offshore Environments:
Corrosion from saltwater exposure.
Harsh weather conditions and high humidity.
Limited space for installation.
Recommended Fire Pump Solutions:
Corrosion-Resistant Pumps: Use bronze or stainless steel materials.
Vertical Turbine Pumps: Ideal for drawing water from the sea.
Explosion-Proof Controllers: Required for hazardous environments.
Remote Monitoring Systems: Essential for offshore platforms.
Compliance:
Must meet NFPA 20, ABS, Lloyd’s Register, and IMO standards.

Flow: 30-9000GPM
Head: 3-20Bar
Speed: 740-2900r/min
Frequency: 50 HZ or 60 HZ

The ED Fire Pump Set combines electric and diesel engine pumps to ensure uninterrupted fire protection and a reliable water supply.
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 pump have the National Fire Protection Association Standard NFPA20 standards.The diesel engine fire pump is equipped with the characters of good and strong overload capacity, compact structure, easy to maintain and high degree of automation.
Fire Pump Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service.

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.

All accessories of EJ small fire complete water supply equipment are assembled according to the standard (NFPA20). Its configuration depends on the customer’s needs, or the number of pumps and the type of electric pump. EJ small fire pump group consists of electric pump and jockey pump. EJ small fire-fighting complete set of water supply equipment has reasonable layout, firm installation, reliable connection, compact structure, neatness and convenient maintenance.

The basis for the selection of fire pumps should be based on the process flow, water supply and drainage requirements, and be considered from five aspects, namely, liquid delivery volume, device lift, liquid properties, pipeline layout, and operating conditions. Fire pumps are mainly divided into vertical and horizontal types. The flow rate of the conveying liquid is one of the important performance data for pump selection. It is directly related to the production capacity of the entire device. The working conditions of the fire pump: flow rate: 2～1400m3/h, Head: 5～130m, maximum working pressure of the system: ≤1.6MPa, working temperature: -15℃～+80℃.

Fire pump system is made of Diesel+Jockey pump
1. Diesel engine 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 , with fuel tank, water tank，fan, control box
2. Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump
Jockey material casing: cast iron, shaft and impeller: SS304

Our company’s fire pump equipment is widely used in state agencies, various residences, pressurized pump stations, hotels, schools, hospitals, etc. due to its outstanding features such as environmental protection, energy saving, and safety.

A fire pump controller manages the operation of the fire pump, including starting, stopping, and monitoring performance. It ensures the pump operates correctly during an emergency and complies with NFPA 20 requirements.

Series OTS pumps are single stage,double suction with horizontally split casings .They are suitable pumping unsettled water, clean water ,non-drinkable or hydrocarbon at a temperature not exceeded 105C¡£
Series OTS pumps are available for capacities Of 68-18000m3/hr and heads of 70-200m.They are adoptable in water works irrigation and drainage pumping stations,fire fighting systems, marine applications as well as refinery industry,etc.

The tank-pump integrated fire water tank includes a water tank, an air pressure water tank, a water pump unit, an electric control cabinet, a liquid level instrument, a pipeline, a bottom plate, and an internal and external ladder. The water tank, the air pressure water tank and the bottom plate are connected as a whole, and the water pump unit Located on one side of the water tank, the electric control cabinet is arranged in the water tank, the pipeline is connected with the water pump unit and the water tank, and the inner and outer ladders are connected on the side of the water tank. The fire-fighting equipment of the utility model is simple in structure, low in cost and easy to install. While meeting the fire-fighting needs, the project cost, construction period and floor space are reduced.

Fire pump components:
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. Pipeline supplementary pressure 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 are specifically designed for firefighting purposes. While some may have other applications, their primary function is to provide water at the required pressure for fire protection systems.

This integrated electric fire protection solution combines a high-efficiency pump, an intelligent control panel, and an advanced monitoring system, designed to meet the demands of diverse and complex environments. Its modular design not only allows for quick installation and easy maintenance but also ensures that the equipment can consistently provide sufficient firefighting water pressure in various applications, including high-rise buildings, municipal projects, and industrial parks.

Featuring energy-saving electric drive technology, the system is equipped with automatic start-stop functions and remote monitoring capabilities, which allow real-time adjustments to operating conditions and guarantee a rapid response in the event of a fire. With strict quality control and a design that complies with international standards, this equipment delivers exceptional durability and safety, making it the ideal solution for building intelligent and efficient fire protection systems.

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 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.

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 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.

1. Disconnect all electrical power to the fire pump and diesel engine.

2. Remove the fire pump and diesel engine from the mounting surface.

3. Drain the fuel from the fuel tank and disconnect the fuel lines from the engine.

4. Remove the hoses from the pump and the engine and drain the cooling system.

5. Remove the drive belt from the pulleys and remove the pulleys from the engine.

6. Remove the fan, flywheel, and starter motor from the engine.

7. Remove the cylinder head, piston rings, and other components from the engine.

8. Separate the pump from the engine and remove the impeller from the pump.

9. Disassemble the pump and engine into individual components.

10. Clean and inspect all parts for wear and damage.

11. Reassemble the pump and engine and reinstall on the mounting surface.

12. Reconnect the fuel lines and hoses and refill the cooling system.

13. Reconnect all electrical power to the fire pump and diesel engine.

Diesel pump is a pump powered by diesel engine, which completely reduces the labor intensity of workers, and it is convenient to use, move, install, rarely maintain, and stable performance