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

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 building underpressure water delivery.

There are many types of fire-fighting equipment, fire hydrants and fire extinguishers are a common category, and there is also a category of fire pumps, which can be described as the heart of the fire-fighting system and play an important role in pressurising the water supply for the fire-fighting system. Among the many fire pump products, fire pumps can be divided into multi-stage and single-stage fire pumps.

Multi-stage pumps have high efficiency, corrosion resistance, reliable operation and other properties, strong bearing capacity of the pump body, strong resistance to overload and more sensitive start. Ltd. introduces you to the relevant features of multi-stage pumps. First of all, Shanghai Xizhiquan multi-stage pumps have a compact structure, with small spacing between parts and small volume. The equipment runs smoothly, has a long service life and produces less vibration during operation, so the practical life of the equipment is correspondingly long.

With its unique structure, the direction of the water inlet and outlet can be adjusted according to different needs, so it is suitable for various place environments. The direction of the inlet and outlet is horizontal, which reduces the number of bends in the pipeline connection, thus simplifying the pipeline connection and greatly enhancing the efficiency of the fire fighting system.

The efficient operation of the multistage pump is used in many larger, more demanding fire-fighting locations. Its role is mainly to play a role in the fire fighting pipeline system to pressurise and send water, multi-stage pumps are not only suitable for all kinds of fire fighting systems, but also for industrial drainage, high-rise building water pressure supply, long-distance water delivery, water circulation pressure and other occasions.

The dual power fire pump is composed of a fire water pump, a double shaft extension motor and a diesel engine. One end of the output shaft of the double shaft extension motor is connected with the input shaft of the fire pump, and the other end of the output shaft of the double shaft extension motor is 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.

The pump casing of the electric pump of the fire pump set can be made of cast iron or stainless steel, the impeller can be made of copper impeller, the flow head, pressure or other parameters of the diesel pump are the same as those of the electric pump, and the diesel engine is connected to the pump head through a coupling. The jockey pump is a vertical pump, and its technical parameters are different from those of electric or diesel pumps. Generally, the lift is higher than that of electric and diesel pumps, and can be customized.

The fire pump can be installed in multiple ways according to the on-site use conditions. And depending on the flow and head requirements, the required flow and head are increased in parallel and series. The bearing adopts low-noise closed bearing, which has been injected with grease before leaving the factory, which can ensure continuous operation for more than two years, and the components have high concentricity. The pump impeller has good performance. Dynamic balance, no vibration in operation, and improved use environment. The pump shaft seal is a mechanical seal, which solves the serious leakage of conventional centrifugal pump packing, increases the service life, and ensures that the operating site is clean and tidy.

The parts that may cause friction when the pump rotates are all made of wear-resistant, corrosion-resistant and high-anti-seize material combinations to ensure reliable operation, reduce noise, and avoid rust water, blocking spray and other fire-fighting devices, extending service life and after shutdown. Rust bite phenomenon.

Multifunctional diesel fire pump set designed for high-rise buildings, large warehouses, and petrochemical sites, featuring high head, large flow, smart control, and reliable water supply.

High-protection-level fire pumps possess superior waterproof, dustproof, and corrosion-resistant properties, making them suitable for complex environments such as docks, power plants, tunnels, and oil depots, providing efficient and stable fire water supply. Employing an intelligent control system, dual-power drive, and energy-saving design, they support remote monitoring and customized configurations, ensuring continuous operation in extreme weather conditions, meeting international fire protection standards, and providing reliable fire safety solutions for various industrial and municipal projects.

Dual-pump fire system with automatic switch & standby ensures continuous water supply. Ideal for buildings, fire pump rooms, and municipal pressurization.

High-efficiency diesel fire pump equipment adopts a reliable diesel power system, which has the advantages of being usable during power outages, starting quickly, outputting stably, and having high fuel efficiency. It is suitable for industrial plants, warehouses, petrochemical facilities, and emergency fire-fighting scenarios, balancing high flow and high head with energy-saving operation, ensuring safe and reliable fire water supply in critical moments.

Fire pumps are used to pump all kinds of liquids. They are ideal pumps and fire-fighting systems for creating non-leakage, non-polluting 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 Pump
Widely used in environmental protection, water treatment, fire protection and other departments.

High-performance electric motor driven fire pump designed for automatic fire sprinkler systems, delivering stable high pressure, reliable water supply, efficient operation, durable construction, and dependable fire protection for commercial buildings, industrial facilities, warehouses, and large infrastructure projects.

High-mobility diesel fire pumps are designed specifically for forest fire prevention and emergency rescue. They feature independent power, strong self-priming capability, high flow and high head output, and excellent environmental adaptability. They can be quickly deployed and provide a continuous and stable water supply in conditions without power or in complex terrain, making them a reliable solution for field fire fighting and emergency rescue.

This is a set of EDJ fire pump set, which consists of electric pump + diesel pump + jockey 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.

1. Export: All fire pump components should be carefully inspected and packed to ensure that they meet all applicable export laws and regulations. All components should be properly marked or labeled to be easily identified even in a foreign country.

2. Import: The importing country may require certain types of documents to be presented with the fire pumps. These documents may include an export permit, a commercial invoice, a packing list, or perhaps even an insurance policy. If exporting to a foreign country, a customs clearance may also be required.

3. Regulatory Requirements: Fire pump components may fall under certain regulatory requirements, either imposed by the importing country, or by the country of origin. It is important to check with the relevant regulatory authorities to ensure that the equipment meets all applicable regulations.

4. Certification: Depending upon the type of pump being imported, or exported, certain certification may be required. Certification of fire pumps may include UL or ITU ratings, as well as other safety or performance criteria. It is important to comply with all such regulations to ensure the safety of the installed fire pump system.

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 outdoor fire pump set is designed to enhance fire safety in various applications. From powering fire hydrants and stabilizing sprinkler systems to safeguarding residential areas, industrial buildings, and high-risk environments, the Outdoor Fire Pump Set delivers optimal performance and unmatched reliability.

1. High power capacity: Fire pump control cabinets are designed to provide a higher power capacity, allowing the system to handle larger loads.

2. Easy installation: Fire pump control cabinets are designed to be easy to install and configure, allowing the pump to be installed quickly and efficiently.

3. Protection: Fire pump control cabinets are designed to provide protection to the electrical components from moisture and other environmental factors.

4. Monitoring: Fire pump control cabinets are equipped with monitoring systems to monitor the performance of the system and alert the user if any issues arise.

5. Alarm system: Fire pump control cabinets are equipped with an alarm system that can alert the user if the system fails or if the pressure drops to a dangerous level.

6. Cost-effective: Fire pump control cabinets are designed to be cost-effective and provide the necessary protection and performance for a facility.

Diesel engine fire pumps are mainly suitable for fire water supply and foam fire extinguishing systems in petrochemical, natural gas, power generation, cotton and linen textiles, warehouses, airports, docks, high-rise buildings and other industries. It can also be used in occasions such as water ships, offshore oil tankers and fire fighting ships. The unit adopts imported diesel engine and fire pump. It has the characteristics of quick start, reliable water diversion, reasonable power reserve, stable operation, high degree of “three modernizations”, wide range of pressure and flow, etc. It is an advanced and reliable fire-fighting equipment.

High-flow vertical fire pumps offer efficient water output, compact design, durability, and economy. Suitable for high-rise buildings, industrial facilities, and special environments, they provide strong water pressure and high flow output to ensure efficient firefighting operations, reduce energy consumption, simplify maintenance, and improve the response speed and reliability of fire protection systems.

Suction and Discharge Connections: The fire pump has dedicated suction and discharge connections for the water supply and the distribution system, respectively. The suction connection draws water from a water source such as a reservoir or hydrant, while the discharge connection delivers the pressurized water to the fire protection system.

EJ fire pump is composed of electric pump + jockey pump
Those pictures display OTS series electric motor pump. OTS double suction split-case centrifugal pump has a wide range of performance, with the ability for a variety of uses.

Setting up the fire pump control system correctly is crucial to ensure the pump operates efficiently and reliably during emergencies. Here are the general steps to set up the fire pump control

Safety measures include regular training for personnel, ensuring proper ventilation in pump rooms, and following manufacturer guidelines for maintenance and operation.

The high-lift, high-flow diesel fire pump is a high-performance device designed specifically for high-rise buildings, industrial facilities, and emergency firefighting systems. It boasts powerful power, fast startup, stable high-voltage output, and can operate independently in powerless environments. Its optimized hydraulic structure combines high lift with high flow, and it offers corrosion resistance, vibration and noise reduction, intelligent control, automatic start-up, efficient and reliable operation, and easy maintenance. It is widely used in building fire protection, petrochemical bases, ports, power plants, and other fields, making it an ideal choice for ensuring fire safety.

Our highly acclaimed Box-type Non-Negative Pressure Water Supply Equipment is the savior for your hotels, hospitals, schools, and more! Not only does it provide stable water flow and pressure, but it also guarantees fresh water quality! Suitable for life water supply systems in high-rise buildings, residential communities, and large-scale architectural complexes, bid farewell to water shortage worries! The Box-type Non-Negative Pressure Water Supply Equipment features an advanced automatic control system that instantly starts the water pump when demand increases, providing you with a continuous and stable water flow. And when demand decreases, the pump intelligently stops, avoiding energy waste! The compact box-type structure makes installation and maintenance a breeze! Whether it’s solving water supply issues in low-pressure areas or addressing the needs of places like hotels, hospitals, and schools where water cannot be shut off but face insufficient tap water pressure, our Box-type Non-Negative Pressure Water Supply Equipment offers the perfect solution!

Jockey pumps help extend the lifespan of fire pumps by maintaining system pressure and preventing unnecessary cycling of the main fire pump. By handling minor pressure fluctuations and small leaks, jockey pumps reduce the wear and tear on fire pumps, which would otherwise start and stop frequently to maintain pressure. This reduced cycling minimizes mechanical stress on the fire pump’s components, such as bearings, seals, and impellers, thereby prolonging its operational life. Additionally, jockey pumps consume less power and operate more quietly than fire pumps, leading to energy savings and reduced noise pollution in facilities. By ensuring that fire pumps only operate during actual emergencies, jockey pumps contribute to the long-term reliability and efficiency of the fire protection system.

The emergency standby fire pump unit is driven by a diesel engine and features independent energy supply, fast start-up, and efficient and stable performance. It can ensure continuous water supply even in the event of a power outage. It is widely used in high-rise buildings, industrial parks, warehouses, petrochemicals, and transportation hubs. It has advantages such as intelligent control, durable structure, and easy maintenance, making it a reliable choice for ensuring fire safety.

The diesel engine fire pump has the characteristics of good starting performance, serious load operation, compact structure, time-saving and labor-saving maintenance, simple application, and high level of automatic control technology. It is a security monitoring device with reliable performance. The full name of the diesel engine fire pump we usually say is the engineering diesel fire pump set, which can operate at an ambient temperature of -25~55°C, and can be automatically charged, automatically started, and has the functions of automatic alarm and automatic preheating. It is very reliable.

·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

1.Flow: 50-5000GPM
2.Head: 3-20Bar
3.Speed: 740-2900r/min
4.Power: Electric pump: 1.5-710 kw, Jockey pump: 0.55-160kw
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.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.

This high-standard diesel fire pump system integrates diesel power, a dedicated fire pump body, and a fully automatic control system. It features rapid start-up, stable high-pressure and high-flow output, and independent operation during mains power outages. It is suitable for high-rise buildings, industrial plants, and large-scale fire protection projects.