DJ Diesel Engine Fire Pump System

Scope of Performance
Caliber: 65~350mm
Flow Range: 5~250L/s
Pressure: 0.3~1.5MPa
Matching Power: 4~610kW
Working Pressure: ≤1.6MPa

Firefighting pumps are critical assets in disaster response and emergency management scenarios, where rapid and effective fire suppression is essential for protecting lives and property. These pumps can be deployed in various emergency situations, including natural disasters like wildfires, earthquakes, and floods, as well as human-made disasters such as industrial accidents or terrorist attacks.

DJ fire pump group is mainly composed of diesel engine and regulator pump, can be selected in the state of no power supply.

Diesel engine fire pump sets are used in fire hydrant fire extinguishing systems and automatic sprinkler fire extinguishing systems in fixed fire extinguishing systems of enterprises, institutions, engineering construction, high-rise buildings, etc. It can transport clear water below 90 °C without solid particles and has similar physical and chemical properties. The water-based medium can also be used for fire protection, domestic and production shared water supply systems and construction, municipal water supply and drainage, etc.

Stationary Pumps for Fire Protection: The diagram illustrates for a diesel-driven horizontal End suction fire pump assembly, electric fire pump as duty, a diesel drive pump as the backup.

Diesel engine fire pump is suitable for unattended emergency water supply system. The product has the characteristics of good technology, high degree of automation, superior performance, complete protection functions, reasonable structure, easy installation and high cost performance. When there is a sudden power failure in the factory, the diesel engine emergency water supply pump group automatically starts and supplements. network pressure.

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

A fire pump is a crucial component of a fire protection system that provides the required water pressure to deliver water to the fire sprinkler system or other firefighting equipment, ensuring an adequate supply of water in case of a fire emergency.

EJ dual-power fire pump group is used for various fire hydrants and sprinkler fire main pumps; it can more reliably ensure water safety in the event of a fire. EJ dual-power fire pump set is designed and manufactured by Beide Technology Co., Ltd. in accordance with GB 27898.5-2011 Fixed Fire Water Supply Equipment Part 5 <>. It meets the new 3CF requirements and has obtained 3CF certification for fire protection products. EJ small dual-power diesel engine fire pump is used for various fire hydrants and sprinkler fire main pumps; it is suitable for various fire boosting and pressure stabilizing pump occasions; various villas, residential areas and other fire protection systems; industrial and civil building fire protection systems ;Applicable to various oil depots, oil loading and unloading docks, logistics parks and other places with high fire protection requirements.

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.

Instructions for use:
Altitude≤1000m;
Ambient temperature: +5℃～+40℃;
Relative humidity: <= 90%. Scope of application of fire pump set: Equipment suitable for fire protection occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas, textiles, ships, oil tankers, etc.

The diesel engine fire pump has the characteristics of good startability, strong overload capacity, compact structure, convenient maintenance, simple use, and high degree of automation. It is a fire-fighting equipment with reliable performance. It can completely meet the fire water supply in various occasions of warehouses, docks, airports, petrochemicals, power plants, liquefied gas stations, textiles and other industrial and mining enterprises.

If you suspect a diesel engine fire pump is leaking, you should first shut off the fuel supply and ensure that the pump is properly cooled and lubricated. Next, check the pump for any visible signs of damage or wear and tear. If you find any, replace the affected part immediately. Additionally, inspect the fuel lines and fuel filters for any signs of corrosion or blockage. If needed, replace them. If the issue persists, contact a qualified technician for assistance.

The product is EJ fire pump set. The EJ fire pump set has one electric pump and one jockey pump. The electric pump in the picture is XA pump. XA series horizontal single-stage single-suction centrifugal pump is a new generation of energy saving, environment friendly horizontal centrifugal pump researched and developed by our company, which absorbs advanced technology of similar products abroad and adopts domestic general performance parameters of centrifugal pumps.

The double-suction fire pump has the characteristics of high lift and large flow, and is widely used in fire fighting. The impeller of this pump type is actually a combination of two back-to-back impellers, and the water flow from the impellers merges into a volute. The double-suction pump has the following characteristics: it is equivalent to two single-suction impellers of the same diameter working at the same time, and the flow rate can be doubled under the same outer diameter of the impeller; the pump casing is horizontally opened, which is convenient for inspection and maintenance. The inlet and outlet of the suction pump are in the same direction and perpendicular to the pump shaft, which is conducive to the arrangement and installation of the pump and the inlet and outlet pipes; the impeller structure of the double suction pump is symmetrical, there is no axial force, and the operation is relatively stable.

Fire sprinkler systems are hydraulically calculated prior to installation to determine adequate water flow and in order to ensure the system can reliably suppress a fire until fire crews arrive. When it’s determined inadequate flow is available from a municipal supply for the system to operate effectively, a fire pump is installed. The fire pump operates when the sprinkler system pressure drops below a certain threshold, due to the operation of sprinkler heads. The fire pump draws additional water from the municipal water supply or on site storage tanks, to maintain the sprinkler systems required operating pressure. Fire pumps are often required in high rise construction and large area buildings, due to the size of piping systems and pressure loss.

Diesel engine fire pumps are usually used as a backup facility, and will only start automatically when the electric water pump fails or the power is cut off when the fire signal comes. When equipped with an ultra-low pressure pump starting device, the matching electric pump control cabinet should also be equipped with an ultra-low pressure pump starting device, and the lower limit of pump starting should have a certain pressure difference. Of course, it is also possible to design a control system that is more suitable for customer needs according to customer requirements.

XBD series fire pump sets are mainly used for fire hydrant fire extinguishing systems and automatic sprinkler fire extinguishing systems in fixed fire protection systems of various enterprises, institutions, engineering construction, high-rise buildings, etc. The chemical properties are similar to the medium of water, and it can also be used for fire protection, living, production, public water supply systems and buildings, municipal water supply and drainage, etc.

Offer a troubleshooting guide for common fire pump problems, such as low water pressure, priming issues, air leaks, and overheating motors. Break down step-by-step solutions, and advise when it’s necessary to call a professional. Include preventative tips to reduce the occurrence of these issues, such as regular inspection and maintenance practices.

The diesel engine fire pump set has the characteristics of good starting performance, strong load capacity, compact and effective structure, convenient maintenance, simple and reliable use, etc. The generator set has maintenance functions such as speed limit, low oil level, repeated failed starts, high temperature, low oil level, and low battery voltage. At the same time, it can be connected with the customer’s automatic fire alarm system or the centralized control cabinet of fire-fighting facilities to establish a real-time monitoring function.

Fire pump package comprises a combination of electric motor driven pump, diesel engine driven pump and electric motor driven jockey pumps that supply for fire suppression systems.

Fire pumps are used to pump various liquids. They are ideal pumps and fire protection systems for building non-leakage, pollution-free civilized workshops and civilized factories. They are often installed on fire trucks, fixed fire extinguishing systems or other fire-fighting facilities for transportation Special pumps for liquid extinguishing agents such as water or foam solutions. Fire pumps are widely used in environmental protection, water treatment, fire protection and other departments.

The packing of our products conforms to the national standard, meet customer needs, and standard handling and transportation.
All products are tested before delivery to ensure no quality problems.
As for after-sales problems, we can dispatch engineers to solve them on site, so you can buy our products at ease.

The fire pump is mainly used for pressurizing water supply in the pipeline of the fire fighting system. It can also be used in industrial and urban water supply and drainage, high-rise buildings and water supply, long-distance water supply, heating, bathroom, boiler cold and warm water circulation pressurized air conditioning refrigeration system water supply and equipment matching and other occasions. The fire pump produced by Better Technology Group Co., Ltd. has the advantages of simple structure, stable performance, high speed, small size, light weight, high efficiency, large flow, easy operation and maintenance.

Schedule regular inspections: Weekly or monthly as per NFPA requirements.
Lubricate moving parts: Prevent wear and tear on bearings and seals.
Clean strainers and filters: Avoid clogs that reduce pump efficiency.
Check alignment and coupling: Misalignment can cause operational issues.
Test automatic start functions: Verify system responsiveness during emergencies.

·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 (can be equipped with a clutch) is combined with the fire pump through a highly elastic coupling to form a fire pump unit. The unit also includes diesel tanks, cooling water tanks, fans, control panels (for automatic units) and other components.
When the unit is automatically controlled, the split or diesel engine automatic control cabinet (programmable) realizes the automatic start, input, and automatic switching of the system (switching from the electric pump group to the diesel engine pump group or from this group of diesel engine pump groups to another group of diesel engines) pump set), automatic protection (diesel engine overspeed, low oil pressure, high water temperature, three start failures, low oil level, low battery voltage and other alarm shutdown protection) and other functions, and can also interface with the user’s fire center or automatic fire alarm device, Realize remote monitoring.

Proper design and installation of suction and discharge piping are vital for the efficient operation of a fire pump system. The suction piping connects the fire pump to the water supply source, while the discharge piping carries water from the pump to the fire protection devices.

Key considerations for these piping systems include the sizing, material selection, and routing. Proper sizing ensures that water can be drawn from the source at the required rate, and the piping material must be compatible with the water and the environment. Piping routing should minimize friction losses and ensure that the system operates without cavitation or other issues.

Diesel engine fire pump is a special diesel engine equipment, which has the characteristics of simple structure, reliable operation and long service life, and is widely used in the field of fire protection. When using a diesel engine fire pump, it is necessary to pay attention to maintenance and maintenance, and replace fuel, oil and filters in time to ensure the normal operation of the fire pump.

·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