Precautions for import and export when installing fire pumps

This equipment is an EEJ fire pump set customized by a Greek customer with a frequency of 50Hz. The electric pump adopts an XA pump.This pump combines the advantages of similar products in China and abroad, and is designed with excellent hydraulic model.

The electric fire pump set is composed of electric pumps and pressure-stabilizing pumps, and is mainly suitable for fire-fighting equipment in warehouses, docks, airports, petrochemicals, power plants, liquefied petroleum gas, textiles, ships, and oil tankers.

·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

While firefighting pumps are specifically designed for extinguishing fires, they can sometimes be adapted for other applications, such as irrigation or water transfer, depending on the pump type and specifications.

Fire pumps require regular maintenance to ensure their reliability. Maintenance tasks include routine inspections, lubrication, testing, and exercising the pump to prevent corrosion and ensure proper functionality.

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.

The biggest difference between the diesel engine fire pump and the electric water pump is that it has its own independent power supply system, which can ensure the normal operation of the project without power or power supply. Its role is self-evident, and it can be said to be a great helper in fire emergency .

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. This system utilizes the powerful power output of the diesel engine pump, ensuring reliable operation even in the event of a power outage.

Diesel engine fire pump, as a fixed fire extinguishing equipment, has been widely used in fire diversion, especially in the case of no power supply or abnormal power supply and other emergencies, other diesel engines can also be equipped as power engines according to the needs of users.

EDJ fire pump set is composed of electric pump + diesel engine pump + jockey pump. The fire pump set has the characteristics of high efficiency and energy saving, reliable quality, strong overload capacity, compact structure, convenient maintenance and high degree of automation. Suitable for any emergency firefighting occasion.

As the core component of a fire protection system, the performance of fire pumps directly affects fire suppression efficiency. To ensure optimal performance, we maintain strict control over every stage, from design and manufacturing to installation and maintenance.

In the design phase, we utilize advanced fluid dynamics technology to optimize the pump structure, minimizing energy loss and maximizing water flow efficiency. The carefully designed impeller and flow channels enable the pump to maintain stable operation under high pressure while reducing noise and vibration, thereby extending its service life.

During the manufacturing process, we select high-strength, corrosion-resistant materials such as stainless steel and ductile iron to ensure durability in harsh environments. Precision machining and rigorous quality inspections guarantee that every fire pump meets industry standards before leaving the factory.

Proper installation is equally critical. Our professional team develops the best installation plan based on the site environment, ensuring tight pipe connections, smooth water flow, and stable electrical control system operation. The integration of intelligent control systems allows for automatic start-stop functions and remote monitoring, significantly improving response speed and operational convenience.

Finally, regular maintenance and inspection are essential for long-term efficiency. Our comprehensive after-sales services include routine inspections, spare parts replacement, and remote troubleshooting, ensuring the pump remains in peak condition.

Through scientific design, high-quality manufacturing, expert installation, and thorough maintenance, our fire pumps provide reliable fire protection solutions, helping to build highly efficient and secure fire suppression systems.

Diesel engine fire pumps are often used for emergency water supply in high-rise buildings, water companies, steel plants, wineries, chemical plants, hotels, hospitals, and other large-scale projects. Diesel engine fire pump is suitable for unattended emergency water supply system. The product has the characteristics of advanced technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. net pressure.

A fire pump starts when the pressure in the fire protection system drops below a set threshold, indicating water flow caused by sprinkler activation or manual use of a fire hose. The pressure drop is detected by pressure-sensing devices, triggering the fire pump to activate and provide adequate water pressure.

Single stage centrifugal pump includes pump body, pump cover, motor with output shaft, pump shaft, bearing seat, impeller, mechanical seal and mechanical seal gland installed in the pump body, which are connected with the motor through extended elastic coupling. The rotation direction of the pump, viewed from the driving end, is clockwise. Wanfulong is characterized in that it also includes a clip on coupling arranged between the motor output shaft and the pump shaft, and a guide bearing installed on the bearing seat to assist in supporting the pump shaft; The wafer type coupling is rigidly connected with the motor output shaft and the pump shaft respectively, and a space distance is left between the motor output shaft and the pump shaft to facilitate the assembly and disassembly of the mechanical seal and the mechanical seal gland. When repairing or replacing the mechanical seal, it is not necessary to disassemble the motor and pump cover.

This innovatively designed fire pump system is specifically tailored for environments with high firefighting water supply requirements, such as industrial parks and high-rise buildings. By incorporating high-efficiency pumps and intelligent control technology, the system ensures the rapid provision of high-volume water during a fire, meeting the demands of complex environments. The system integrates both diesel and electric drive motors, combined with an intelligent control panel that offers automatic start-up, water pressure regulation, remote monitoring, and fault alarms, ensuring stability and efficiency during critical moments.

The innovation in this product is also reflected in its modular design, allowing for flexible configuration based on different application scenarios. The system is easy to install and commission, making it adaptable to various complex operational environments. Additionally, its high durability and low maintenance costs ensure that it continues to perform excellently over time, making it the ideal choice for ensuring fire safety in industrial parks and high-rise buildings.

The fire pump system includes diesel engine pump + electric motor pump + jockey pump.
Its power: 1.0 to 20kw, flow: 15-300gpm, head: 3-10bar, 50/60hz. Material: Cast iron or SS, bronze impeller.
This pump set is ideal for fire protection or voltage stabilization in houses or small buildings. We customize according to NFPA 20 and GB standards.

ZJBetter provide three types of fire pump system, such as diesel engine fire pump set, electric driven fire pump set, EDJ fire pump set.

EDJ series fire pump set consists of Electric pump + Diesel pump + Jockey pump and all accessories.
The pressure switch and control cabinet can automatically turn on/off three pumps-the electric pump and jockey pump operate when there is electricity and the diesel pump activates when the power cuts.
Flow Capacity Range:50-5000 GPM
Pressure Range:4-14 Bar
Power Range：4-325 KW

In cold climates or areas prone to extreme weather, fire pumps face unique operational challenges that require careful design and maintenance. Freezing temperatures can cause water to freeze in the pipes, potentially damaging the fire pump and other components of the fire suppression system. To mitigate this, fire pumps may be installed in heated enclosures, and antifreeze solutions or dry-pipe systems are often used to prevent freezing. Jockey pumps help maintain system pressure, but in extreme weather, they must be monitored closely to ensure they don’t overcompensate for changes in pressure caused by temperature fluctuations. High winds, flooding, or snow accumulation can also impact the performance of fire pumps, especially in outdoor or exposed installations. Ensuring that fire pumps have robust weather protection, backup power supplies, and regular winterization procedures is critical for maintaining their reliability in harsh conditions. Additionally, these pumps should be designed with durable, weather-resistant materials to withstand long-term exposure to extreme environmental factors while still delivering dependable fire protection.

This pump machine unit is very sutitable for fire fighting or pressure-stablized purpose for house or small building. We make it as customized according to NFPA 20 and GB standard.

Diesel engine fire pump unit is a kind of pump equipment that is widely used in fire protection, and it is more suitable for mobile work in fire pumps. In fact, it is driven by a diesel engine connected to the pump head of the fire pump. Compared with motor drive, it can be used in the field, mines, and places lacking power supply. It is also called a diesel engine pump or a diesel engine fire pump unit.

In addition to traditional fire suppression activities, firefighting pumps are crucial in specialized scenarios such as aircraft firefighting, where they provide the high-pressure water or foam needed to extinguish fires on aircraft. Similarly, marine firefighting pumps are essential for combating fires on ships and offshore platforms, requiring pumps specifically designed for maritime environments.

Compare the advantages of fire pump package sets versus buying individual pumps. Package sets are often more convenient, as they come with pre-configured components like controllers, tanks, and piping, reducing installation time and simplifying maintenance. Highlight the flexibility and potential cost savings of individual pumps for customized applications, and help readers decide which option best fits their facility’s needs.

Lifecycle management involves:

Regular Maintenance: Implement a scheduled maintenance program to keep the pump in optimal condition.
Upgrades and Retrofits: Upgrade or retrofit components as technology advances or as system requirements change.
End-of-Life Planning: Plan for the eventual replacement of the pump system, ensuring minimal disruption to fire protection coverage.
Performance Monitoring: Continuously monitor performance to identify when parts or the entire system need replacement or overhaul.

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.

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.

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 diesel engine fire pump has automatic, manual and fault self-checking functions. It can monitor the working state of the whole process, restore the function of failure start, automatic pre-lubrication and automatic restart of preheating, so that the equipment start-up is safer and more reliable. It has the functions of central control room remote control, remote control and field bus connection. The battery is fully automatic floating charge (constant current, constant voltage, trickle charge) mode to ensure that the battery is in a standby state at any time. Diesel engine fire pump is easy to use, equipped with remote instrument and instrument, which can be connected to the control center as needed, easy to install and use, and easy to maintain.​​

Diesel engine fire pumps are widely used in water supply and firefighting work in the field of firefighting, such as building firefighting, fire fighting, rural firefighting, etc. The diesel engine fire pump has the advantages of quick start, stable operation, large water flow, long service life, etc., and can meet the fire protection needs of different occasions.

Learn how to size a fire pump accurately by calculating flow demand, pressure requirements, and understanding NFPA 20 guidelines for maximum performance and efficiency.