Reliable Diesel Engine Fire Pumps from Better

Mechanical seals are commonly used on fire pumps to ensure reliable and long-lasting operation. These seals are designed to create a tight, reliable seal between the pump shafts, and the fire pump’s motor. Mechanical seals are typically composed of stationary and rotating components that move against each other with minimal friction, to form a mechanical seal that can withstand the stresses of the fire pump’s operation. In addition to preventing leaks, mechanical seals can help improve pump efficiency, reduce wear and tear on motor components, and increase the life of the fire pump.

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 Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations.

The fire pump is designed to divert water when a fire is detected by the sprinkler system or other fire-detection device. The pump will then draw water from the water supply source and deliver it to the sprinkler system, fire hoses, or other fire suppression devices.

The EDJ Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations.

This highly efficient and durable horizontal motor-driven centrifugal fire pump features an optimized hydraulic design and high-strength construction, offering stable flow output, low vibration, high starting reliability, and the ability to operate under high load for extended periods. It is suitable for industrial plants, high-rise buildings, and municipal fire water supply systems.

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

The EDJ Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations. With its lightweight and portable design, coupled with versatile functionality, the EDJ Diesel Engine Fire Pump System is suitable for various scenarios. Whether you are part of a fire department or an industrial enterprise, the EDJ Diesel Engine Fire Pump System is your indispensable rescue partner.

The horizontal electric multistage fire pump is engineered for super high-rise buildings, offering high head, strong system adaptability, and intelligent control. Discover its key role and application trends in modern fire protection systems.

The intelligent pressure stabilizing tank is a high-performance firefighting water supply device featuring precise pressure control, energy-efficient operation, and automated management capabilities. Utilizing an advanced sensor system and pressure-resistant tank design, it ensures consistent water pressure within fire suppression systems, enabling rapid response and safe operation. Widely deployed in high-rise buildings, industrial parks, and commercial complexes, it serves as an ideal solution for enhancing the reliability and efficiency of fire protection systems.

Fire pump model parameters are complete, specifications are rich, affordable, with a wide range of use, corrosion resistance, stable performance and other characteristics, there are perfect after-sales service, can be customized according to demand processing.

The jockey pump of the jockey fire water supply system must be kept running at ordinary times to maintain the pressure of the pipe network. When a fire occurs, it should still be able to run for a period of time until the main fire pump is started. It must be set according to the main and standby pumps. pressure pump. Due to the need for the stabilizing pump to keep running, energy is wasted, and the stabilizing pump is in working condition for a long time.

·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

ED Fire pump system is made of Electric pump +Diesel pump
Operation: 1 Duty (electric) + 1 standby (diesel engine)
Capacity: 25, 30, 50, 100, 150, 200, 300, 400, 500, 750, 1000…GPM with pressure 4, 5, 6, 8, 10… Bar.
Pressure vessel 25, 50, 75, 100…liters, pressure will be 0.6mpa, 1.0mpa, 1.6mpa, select according to pump head.

Electric motor fire pumps are used in various water environments, not only for ordinary water supply but also as a good helper for fire water. The electric motor fire pump is manufactured with good structure and technology, with a wide range of performance, simple operation and long-term use. The electric 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.

Advanced electric fire pump equipment features efficient water supply, intelligent control, energy saving and stability. It is suitable for high-rise buildings, commercial complexes, industrial parks and municipal projects, ensuring the fire protection system’s rapid response in fire emergencies, long-term reliable and durable operation, and providing solid protection for the safety of life and property.

This group of fire pumps consists of two electric pumps + one jockey pump, and the motors are connected to multistage pumps.

A single-stage fire pump has only one impeller, and a multistage fire pump can have two or more impellers, which can achieve a larger lift at the same flow rate. Generally, it can be used as an industrial pump, a domestic pump and a fire pump.

The fire pump is naturally used in the fire water system, and the technology and raw materials used are all required on site. There are many types of fire pumps and different performances. There may be overlapping performance ranges or large differences in performance. We need to consider the specific functions of the site, such as electric motor fire pumps or diesel engine fire pumps, vertical long-axis fire pumps or horizontal split double pumps. Suction fire pump, horizontal single-stage fire pump, etc., we should choose according to actual needs.

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.

The pump head of this fire pump set adopts ISW pump, which has the advantages of convenient installation and competitive price. Its performance parameters and technical indicators meet relevant standards, and it has the characteristics of high efficiency and reasonable structure.

Maintenance records provide a documented history of the pump’s condition, service intervals, and repairs, which are vital for compliance, insurance, and ensuring that pumps are in good working order during emergencies. Regular records also help identify recurring issues, allowing for proactive maintenance.

In fire protection systems that include fire hydrants, jockey pumps play a key role in maintaining the necessary system pressure to ensure hydrants are immediately ready for use. Fire hydrants are typically located throughout a property or a city to provide easy access to water for firefighting efforts. The jockey pump helps maintain a consistent pressure in the piping network that supplies these hydrants, ensuring they are always charged and ready to deliver water when a firefighter opens them. This is especially important in systems with extensive piping networks, where pressure fluctuations could occur due to minor leaks, thermal expansion, or water usage. By keeping the system pressurized, jockey pumps help ensure a rapid response during a fire emergency, providing critical support to firefighting operations.

The integrated electric fire pump system, highlighting its compact design, smart control, high efficiency, and ease of maintenance—ideal for various firefighting applications.

Automatically control the fire pump group, integrate intelligent monitoring, automatic start and stop, and standby switching to ensure rapid fire emergency response, stable water supply, high efficiency and energy saving, and easy installation and maintenance.

Discover the essential role of jockey pumps in fire protection systems. Learn how they maintain system pressure, extend main pump lifespan, and improve emergency response performance while ensuring compliance with international fire safety standards.

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

This article analyzes the advantages of vertical fire pump systems for commercial and industrial buildings, comprehensively introducing the performance characteristics of vertical fire pumps in terms of high head, stable water supply, space saving, continuous operation capability, and system reliability. It is suitable for fire hydrants and automatic sprinkler systems, improving the overall fire safety level.

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.

Explore the performance and advantages of intelligent control fire pump systems designed for high-pressure and large-flow firefighting applications. Ensure reliable water supply, real-time monitoring, and automated emergency response with advanced technology.

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.

The engine cooling system of the diesel engine fire pump adopts double closed-loop heat exchangers. The system has the advantages of high cooling efficiency and little impact on the ambient temperature of the pump room. The cooling water flow direction is controlled by a ball valve from the pump outlet pipe to the heat exchanger, so that the cooling water temperature of the machine body is between 85 and 95 °C. If the water temperature is too high, you can increase the opening of the ball valve, increase the heat dissipation capacity of the heat exchanger, and reduce the temperature of the engine cooling water.