Energy-Efficient Twin Pump Fire Equipment for Versatile Installation Needs

Diesel engine fire pumps can be used for fire water supply in warehouses, docks, airports and other places. We usually choose the appropriate diesel engine fire pump model application according to the head, flow rate, power, medium properties, required materials, etc. provided by the user. In order to avoid mistakes, the loss caused by the installation environment will also be considered comprehensively to ensure stable and reliable efficiency.

The EJ Pump Set is designed according to the customer’s specifications which is including 1 electric pumps, 1 jockey pump and 1 control panel.

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 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.

70m3/h@60m Fire pump set test
We manufacture in strict accordance with customer requirements. All products will be tested before leaving the factory to ensure that there are no problems. The design meets the national standard of general packaging, meets customer needs, and standard handling and transportation.

Discuss the applicability of fire pumps in residential buildings, particularly high-rise or large complexes where water pressure may be insufficient for fire suppression. Explain what factors make fire pumps necessary in certain residential scenarios, such as building height and local fire code requirements, and outline how they can be adapted for residential use, ensuring safety without excessive water pressure.

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).

In critical moments, a stable water supply is the lifeline of fire safety. This dual-drive fire pump system, equipped with both a diesel engine and an electric motor, ensures uninterrupted water pressure even during power outages or emergencies. With its compact structure and space-saving design, the unit offers quick modular installation and is ideal for high-rise buildings, underground parking garages, industrial facilities, and petrochemical storage areas where system reliability is paramount.

The system features an intelligent control panel with automatic power source switching, one-click start/stop operation, and real-time status monitoring—minimizing the need for manual intervention. Even under extreme conditions, this system delivers fast response and consistent performance, making it an essential part of any modern fire protection setup.

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.

·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

Diesel fire pumps offer distinct advantages over other types of fire pumps, such as electric or jockey pumps. Unlike electric pumps, which rely on grid power and may be vulnerable to power outages, diesel fire pumps can operate independently, making them suitable for use in areas with unreliable electricity or during emergencies. Jockey pumps, on the other hand, are typically used to maintain pressure in fire sprinkler systems but may not provide the same flow rates or firefighting capacity as diesel fire pumps.

The diesel engine fire pump has the advantages of light weight, small size, flexible movement, quick start, fast water discharge time, large fuel tank capacity, corrosion resistance, reliable use, convenient maintenance, etc., fast automatic start and self-priming, and self-priming after dry running. Heavy-duty pump bearings – longer life; other parts are made of high-quality copper and stainless steel or customized by customers. The high-efficiency open impeller design of the diesel engine fire pump can handle large solids and abrasive materials while maintaining a high flow rate, and the large-capacity air treatment can be used for more “well point dewatering projects”.

Compact diesel fire pump for commercial buildings. Features fast start, self-powered operation, smart control, and high-efficiency fire protection.

The application of fire pumps is not only in fire protection systems, but a variety of fire pumps are gradually showing their superior strength in industrial production and urban construction. This includes the implementation and expansion of high-end technologies for industrial and urban water supply and drainage, and high-rise water supply under pressure.

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.

The minimum fire rated pressure of ED small fire fighting package set water supply equipment is 3 bar and the minimum fire rated capacity is 25 GPM. ED small fire fighting package set water supply equipment includes at least two power or power source driven pumping units, pressure tanks, pipes, valves and accessories, measurement and control instruments, control cabinets, outdoor rain cover, etc.
Motor: Three-phase asynchronous squirrel-cage motor independently developed and manufactured by our company, which can be controlled in production time and greatly shorten the whole set production time.
Diesel Engine: According to the different parameters of customers, we will choose diesel engines with high cost performance ratio. The main brands are QuanChai, Weichai, ShangChai, FAWDE, Cummins, etc.
Electric Pumps: Electric pumps can use vertical in-line pumps, horizontal end-suction pumps, vertical multi-
stage pumps, horizontal multi-stage pumps, split casing pumps and so on according to the different flow and head of customers.
Diesel Pumps: Diesel pumps can use vertical in-line pumps, horizontal end-suction pumps, vertical multi-
stage pumps, horizontal multi-stage pumps, split casing pumps and so on according to the different flow and head of customers.
Electronic Components: The main electric components is CHNT, if Schneider or other brand electrical are need, should mention it before place the order.
Safety Valve plays a safety protection role in the system. When the system pressure exceeds the prescribed value, the safety valve opens, and a part of the gas/fluid in the system is discharged into the atmosphere/pipeline, so that the system pressure does not exceed the allowable value, so as to ensure that the system does not cause accidents due to excessive pressure.
Pressure Tank: Water is a non-compressible medium. Generally speaking, the pressure drop of fire-fighting pipe network is normal. However, the pressure drop is very slow, the total loss of water in the pipe network isnot large, and the frequent change of pressure in the pipe network leads to frequent start-up and shutdown of pumps. Especially when the power of equipment is high, it will cause great impact on pressure sensors, relaysand motors, thus affecting the performance and life whole equipment. Therefore, it is necessary to choose the right volume of the pressure tank.

·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

No, a fire pump should never run without water. Running a fire pump dry can cause significant damage to the pump’s internal components, leading to overheating and failure. Ensuring the water supply is reliable and monitored is essential for proper fire pump operation.

Flow:120GPM~1500GPM
Head :H＜150m
Speed:2950-3550RPM

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.
the
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.
the
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.

Fire pump professional production manufacturers, complete products, manufacturers direct sales, after-sales worry, pump quality is good, durable products.

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. The diesel engine pump set is driven by diesel and does 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 most suitable to choose a diesel engine to drive the water pump.

Fire pump refers to a clean water pump used for fire water supply, and a single water pump with a treatment medium temperature lower than 80 degrees and non-corrosive. The pump unit is a joint operation of multiple fire pumps to ensure the quantity and stability of water supply. The electric fire pump set adopts multiple fire pumps powered by electric motors. 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.

There are several types of fire pumps, each designed for specific applications. Two common categories are centrifugal and positive displacement pumps.

Centrifugal pumps are widely used in fire protection systems due to their simplicity and reliability. They work by imparting kinetic energy to the water, which then exits the pump under pressure. These pumps are well-suited for maintaining consistent water pressure for fire suppression.

Positive displacement pumps, on the other hand, use a different mechanism. They trap water in a chamber and then force it into the discharge piping, creating pressure. Positive displacement pumps are typically used in situations where high pressure or low flow is required.

The choice of pump depends on the specific needs of the fire protection system and the facility it serves.

Fire pumps can be integrated into smart building systems through advanced controllers and sensors that allow for remote monitoring and control. These systems can track the performance of the fire pump, alert maintenance teams to potential issues, and even adjust pump operation in real time to optimize efficiency and response during emergencies.

Discuss the importance of regular fire pump testing to ensure system readiness in case of an emergency. Describe weekly churn tests and annual flow tests, explaining how these tests verify the pump’s performance, check for potential issues, and maintain compliance with NFPA and insurance requirements. Include a checklist to make testing straightforward and encourage record-keeping.

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. The fire pumps we commonly use 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 position of the electric fire pump.

If the fire pump is corroded, it should be inspected by a qualified professional. Depending on the extent of the corrosion, the pump may need to be repaired or replaced. The professional may also need to inspect the entire system for any other potential issues. In some cases, a fire pump may need to be replaced if the corrosion is severe and cannot be repaired.

Explore the benefits of ZJ-Better Fire Pump Control Systems. Learn how our intelligent, automated control systems enhance firefighting efficiency with real-time monitoring, fault diagnostics, self-repair capabilities, and energy-saving features for reliable, high-performance fire protection.