How to Choose an ED Fire Pump Set

Diesel fire pumps are suitable for the discharge of heavily polluted industrial wastewater, sewage discharge stations in major residential areas, water distribution systems in urban sewage treatment plants, drainage stations in civil air defense systems, water supply equipment in waterworks, sewage discharge in hospitals and hotels, municipal engineering construction sites, mine auxiliary machines , Rural biogas digesters, farmland irrigation and other industries. Sewage and dirt with conveyor belt particles can also be used for clean water and weakly corrosive media.

The diesel engine fire pump set has the characteristics of good starting characteristics, strong overload capacity, compact and reasonable structure, convenient maintenance, simple and reliable use, etc. The unit is equipped with protection functions such as overspeed, low oil pressure, three start failures, high water temperature, low oil level, and low battery voltage. At the same time, it can be connected with the customer’s automatic fire alarm device or the fire control system control cabinet produced by our factory to realize the function of remote monitoring.

Mobile diesel engine fire pump sets offer powerful power, flexible maneuverability, and efficient water supply, providing reliable fire protection for factories, warehouses, petrochemical plants, airports, and remote areas. Featuring intelligent control, safety protection, and international standard certification, they support rapid deployment and long-term stable operation, making them an ideal choice for emergency firefighting.

The EDJ fire pump unit consists of a fire pump, a double-shaft motor and a diesel engine. One end of the output shaft of the double-shaft motor is connected to the input shaft of the fire pump, and the other end of the output shaft of the double-shaft motor is connected to the One end of a clutch is connected, and the other end of the clutch is connected with the output shaft of the diesel engine. The fire water pump, the double-shaft extension motor, the clutch and the diesel engine are all fixed on the base. The double shaft extension motor, the clutch and the diesel engine are respectively electrically connected with a control circuit through an action driving circuit. With dual-power fire pumps, there is no need to configure a second fire pump, which reduces floor space and saves manufacturing costs.

A highly efficient integrated fire pump system that integrates key components such as diesel engines, water pumps, and electrical control cabinets. It is suitable for a variety of scenarios, including high-rise buildings, industrial parks, and warehousing and logistics facilities. It offers advantages such as easy installation, automatic start-up, intelligent control, and power failure resistance, making it a reliable solution for modern fire emergency response.

1.Flow：1000 GPM
2.Head：14bar
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.

Fire pumps have a wide range of uses. In addition to providing water for fire-fighting pipeline systems, they can also be used in industrial water supply. Fire pumps can also be used in urban water supply and drainage systems. There are other relatively long-distance water supply work, such as heating boilers, bathroom boilers, hot and cold water circulation pressurization of multi-stage fire pump boilers, etc.

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 dual-power fire pump is mainly used for various fire hydrants and spray fire main pumps. It is also suitable for various fire booster and pressure stabilizing pumps. It is also suitable for various villas, residential areas and other fire systems, industrial It is also suitable for various oil depots, oil loading and unloading docks, logistics parks and other places with high fire protection level requirements.

Diesel fire pumps offer dual power security, independent operation, and intelligent control, making them ideal for critical fire protection in petrochemical, tunnel, and high-rise applications.

Assess existing capacity: Ensure your pump can handle increased system demands.
Upgrade to UL-listed pumps: Improve compliance and reliability.
Consider adding controllers: Modern control systems enhance efficiency and monitoring.
Retest and recalibrate: Verify system performance post-upgrade.

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.

Horizontal multistage fire pump is the latest energy-saving series product developed and produced. It has significant advantages such as high efficiency, low operating noise, good anti-cavitation performance, reasonable structure and long service life. It is used for conveying clean water without solid particles and liquids with physical and chemical properties similar to water. Fire pumps are mainly used for pressurized water supply in fire protection systems, and can also be used in factory and mine water supply and drainage, high-rise building pressurized water supply, long-distance water supply, and heating. , bathroom, boiler hot and cold water circulation pressurization, air conditioning refrigeration system water supply and equipment matching and other occasions.

·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 diesel engine fire pump unit is directly driven by the diesel engine fire pump, and it is a mechatronic equipment that can start and complete the water supply in a short time. The diesel engine pump set is driven by a diesel engine without external power supply. Diesel pumps are suitable for fire water supply occasions such as agricultural irrigation, emergency rescue, smelting, hangars, petrochemical oil depots, power plants, liquefied gas stations, and textiles. Especially in the case of no electricity and dissatisfaction with the grid, choosing a diesel engine-driven water pump is the safest choice.

Electric pump + diesel pump + joceky 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.

Fire pumps are designed to adapt to varying water supply conditions, such as fluctuating pressures or varying water levels in a reservoir. They achieve this through features like variable speed drives, which adjust the pump’s speed to maintain consistent water pressure and flow, regardless of changes in the supply.

The jockey pump is a kind of fire pump. It is used to jockey the pressure of the automatic sprinkler system and the fire hydrant water supply system, so that the water pressure of the system is always in the required pressure state. Water volume and water pressure.

Diesel engine fire pump has the characteristics of high efficiency, wide performance range, safe and stable operation, low noise, long life, convenient installation and maintenance, etc. This diesel engine pump set can transport clean 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.

With proper maintenance, a fire pump can last 15-20 years or longer. However, components such as seals, bearings, and impellers may need replacement during this period.

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

What is a jockey pump? While its name may remind you of one of those little guys that tells a race horse where to go, a jockey pump is actually used to maintain a high pressure in a fire suppression system.

EDJ fire pump small flow capacity: 50gpm, pressure: 5bar

This diesel engine-driven vertical long shaft fire pump is designed specifically for deep well water extraction and high-lift water supply applications, making it ideal for industrial zones, petrochemical plants, power stations, and remote areas without municipal water sources. Its key advantage lies in combining powerful diesel drive with a vertical multistage pump structure to deliver efficient fire protection without reliance on electricity.

The unit features a modular design, directly coupling the diesel engine and pump body for high transmission efficiency and quick response. The long shaft construction allows the pump to reach deep underground water sources, greatly enhancing flexibility in resource access. With its compact structure, easy maintenance, and stable operation, this pump is especially suitable for high-rise buildings, large storage facilities, and ports where fire safety demands are critical.

As the core component of deep-well fire protection systems, this diesel vertical shaft pump offers outstanding reliability, adaptability, and energy efficiency, making it a top solution for challenging fire scenarios.

50gpm8bar ED fire pump set

two sets 50gpm 8BAR EDJ fire pump after finish product

Fire pump system is made of Electric+Diesel+Jockey pump
Operation: 1 Duty (electric) + 1 standby (diesel engine) + 1 Jockey
Capacity: 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.

What kind of terrain to choose what kind of water pump

This problem, in short, is the selection of water pumps. The following are the applicable way for you to choose water pumps from zjbetter. I hope they can help you choose water pumps and help you better. Choose the water pump that suits your design.
1. Confirm the use terrain
First understand the terrain in which the outfit is used, including temperature, moisture, air pressure, air cattiness, dustproof and leakproof conditions, and the position of dangerous areas.
2. Confirm operating conditions
Refers to the liquid face pressure( absolute) on the suction side of the liquid, the liquid face pressure on the discharge side, intermittent or nonstop work, fixed or mobile position, and the convenience of installation and conservation.
3. Confirm the nature of the medium
Medium temperature, viscosity, density, impregnated vapor pressure, solid flyspeck periphery and content, gas content, cattiness, volatility, trap, toxin.
4. elect the material of the pump bathe corridor
According to the physical and chemical parcels of the pumped medium above, the material of the inflow- passing corridor is determined.
5. Determine performance parameters
The performance parameters of the water pump can be determined by computation, analogy, test and other styles.
6. Determine the installation type
The installation of the channel is determined by the layout of the channel and the installation point, and there are direct connection, perpendicular and other types.
8. Determine the number of pumps
In general, spare pumps, especially fire pumps, are set up, and the number of pumps is named according to different situations.

The next-generation diesel-driven fire pump system combines smart control, efficient water delivery, and modular design. Ideal for high-risk fire protection scenarios, it complies with NFPA20 standards, supporting intelligent firefighting infrastructure.

The Fire Pressure Stabilization Equipment, coupled with the CDL Vertical Multistage Fire Pump, offers a comprehensive solution to elevate fire safety measures. This powerful combination ensures a consistent water pressure for effective fire suppression. By incorporating pressure stabilization technology, this system guarantees an uninterrupted fire water supply, efficient water distribution, and reliable operation of fire hydrants and sprinkler systems. With advanced infrastructure and the ability to maximize firefighting capabilities, this configuration significantly enhances overall fire safety standards. Investing in fire pressure stabilization equipment is a proactive step towards ensuring superior fire protection and providing peace of mind in critical situations.

Non-UL Flow：30-9000 GPM
Non-UL Head： 3-20 Bar (40-300 psi)
UL Flow：50-3000 GPM
UL Head： 5-20 Bar (72.5-290 psi)
The EDJ Fire Pump Set includes diesel engine pumps, electric pumps and jockey pumps.