Some little knowledge about fire equipment

The fire pumps used in the complete diesel engine fire pump unit can be the IS series single-stage type and the D-type series segment multi-stage type produced by our company. The diesel engine water pumps used in this series of equipment are made of domestic or imported high-quality products. They have the characteristics of good starting characteristics, strong overload capacity, compact structure, convenient maintenance, simple use and high degree of automation. They are advanced and reliable fire fighting equipment.

Standard EDJ fire pump set consists of electric pump + diesel pump + jockey pump.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

Flow:5-400L/s
Head:3-20Bar
Material:HT200, SS304, Bronze
Caliber:65-350mm
Pressure:0.3~1.5MPa
Speed:740-2900r/min

First, what’s a water pump? It’s a device used to transport liquid, pressurize the liquid, and make the liquid from the first liquid position to the high liquid position. The first water pump constructed by the Chinese is called” water windmill”. latterly, around 300 BC, the emergence of the” Archimedes screw pump” is more analogous to ultramodern pumps. In addition, the following introductory knowledge points are what you must understand.
1. Centrifugal pump

Centrifugal pump is the most common type of pump. In simple terms, the working principle of centrifugal pump is to rotate the impeller to drive the liquid under the action of centrifugal force. The liquid leaves the impeller and enters the volute. As the inflow passage of the volute gradationally expands, the fluid haste slows down, and the pressure rises continuously, and eventually it’s discharged through the conduit.
2. Impeller
The impeller is one of the main factors in the water pump, and it’s the core element that transmits mechanical energy to the liquid. The impeller is substantially divided into three types open type,semi-open type and closed type. The material conditions for the impeller are high, wear resistance is needed, and the manufacturing process is good.

3. Cavitation

Cavitation is the conformation of numerous bitsy recesses when the liquid connections the liquid under high- speed inflow and pressure, and gradationally expands into grottoes when serious, and cavitation frequently occurs in the impeller and pump covering.

The EDJ 2000kw 10kv 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.

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.

25≤Q≤100GPM
30≤H＜120m

The minimum fire rated pressure of EDJ small fire fighting package set water supply equipment is 3 bar, and the minimum fire rated capacity is 25 GPM. EDJ 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.
This pump machine unit is very sutitable for fire fighting or pressure-stablized purpose for house or small building.

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. Types of pumps used for fire service include: End Suction Pump,  Split Case Pump, Vertical Inline Pump and Vertical Turbine Pump.

1. Electric motor driven pump, can use single stage pump, horizontal split case pump, end suction pump,multistage pump.
2.Diesel engine pump, with capacity and head equal to electric pump, with fuel tank, water tank, fan,control box.
3. Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump.
4. Control panel: Auto Control of electric pump, diesel engine pump and Jockey Pump with overload, over current protection.

Whether you are part of a fire department, an industrial facility, a construction site, or a rural area, the EDJ Diesel Engine Fire Pump System is an indispensable firefighting asset. Count on the EDJ Fire Pump System to provide reliable support and swift containment of fires!

EDJ fire pump set is composed of electric pump + diesel pump + jockey pump. This fire pump adopts ISW pump, which is easy to install. Our company has 20 years of industry experience and a professional sales team and R&D team.The control systems are produced by ourselves and the quality can be guaranteed as we have strong technical.The electric motors are also produced by ourselves, whether it is 50Hz or 60Hz.

A typical firefighting pump system consists of the pump itself, intake and discharge hoses, nozzles, strainers or filters to prevent debris from entering the pump, and sometimes additional accessories like foam injection systems for enhanced fire suppression capabilities.

150gpm 150 psi EJ fire pump set ready dispatch

EDJ series fire pump set consists of electric pump + diesel pump + jockey pump and all accessories.
The pressure switch and the control cabinet can automatically turn on/off the three pumps – the electric pump and the pipe charging pump work when there is electricity, and the diesel pump is started when the power is off.
Flow range: 50-5000 GPM
Pressure range: 4-14 bar
Power range: 4-325 KW

Flow-500gpm; Head-125psi
DJ (diesel pump + jockey pump) Fire Pump Set
DJ Fire Pump Set The fire pump set consists of a pump connected to the diesel engine, pressure jockey pump, pressure vessel, controller for manual or automatic operation of the system and standard accessories mounted on the base. The fire pump system can be customized for different uses, such as high-rise buildings, facilities, hospitals, supermarkets, shopping malls, villas, apartments, etc.

The fire pump is mainly used to deliver water in the fire system. As an indispensable tool for the fire system, the fire pump has the characteristics of simple structure and stable performance. Due to these advantages of high performance and low energy consumption, the safety and efficiency of the fire pump are far ahead of the pipeline tools of the same purpose.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar 40-300 psi
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 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

Diesel engine fire pump is a common necessary facility. Only when the fire signal comes, and the electric water pump fails or the power supply is cut off, the diesel engine fire pump will automatically start. The diesel engine fire pump is installed together with the electrical instrument, with complete functions, compact structure, automatic fault alarm, accepting the starting signal, and can automatically complete the starting procedure and run at full load quickly. When the diesel engine fire pump is insufficient in fuel, low battery voltage, and high lubricating oil temperature , enough to ensure that the diesel engine fire pump starts in a low temperature environment, the entire system of the diesel engine fire pump is safe, reliable, and easy to use.

Fire pumps can encounter various issues that affect their performance. This article provides an in-depth guide to troubleshooting common problems, including cavitation, air binding, and leaks. It offers step-by-step solutions and preventive measures to address these issues and maintain reliable fire pump operations.

1. When installing the water inlet pipe, the horizontal section should be horizontal or upward
2. There are many elbows used on the water inlet pipe
3. The water inlet of the water pump is directly connected with the elbow
4. The last section of the water inlet pipe equipped with a bottom valve is not vertical
5. The position of the water inlet of the water inlet pipe is wrong
6. The outlet pipe is above the normal water level of the outlet pool

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

Minor repairs can often be made to fire pumps, but major issues may require replacement or extensive refurbishment. It’s important to consult with experts in fire pump maintenance for guidance.

Fire pumps are rated based on their capacity and pressure performance. The two key ratings are:

Gallons Per Minute (GPM): This rating indicates the pump’s flow capacity and how much water it can deliver per minute. It is essential to ensure that the fire pump can meet the specific flow requirements of the fire protection system.

Pressure (PSI): The pressure rating specifies the force with which the pump can deliver water. Sufficient pressure is critical for effectively propelling water through the fire sprinklers and hoses.

Understanding these ratings is vital when selecting a fire pump for a facility, as it ensures that the pump can meet the specific needs of the fire protection system.

The conventional electric pump is the main pump, the diesel engine pump is the backup pump, and the voltage stabilizer 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.

The standard complete set of fire pump is manufactured with good structure and craftsmanship, which has a wide range of performance, and is easy to use and operate for a long time. Standard complete sets of fire pumps are aimed at various fire water environments, so the selection should also be based on the actual demand environment, performance parameters, etc.

Yes, various national and international standards and regulations govern the design, performance, and installation of firefighting pumps. It’s essential to ensure that the pump you choose complies with relevant standards and meets the requirements of local building and fire codes.

Fire pumps typically draw water from a reliable source such as a dedicated water tank, municipal water supply, or open water source. It’s essential to ensure that the water supply is sufficient and free from contaminants.

Fire pumps work by drawing water from a water source (such as a dedicated water tank or municipal supply) and pressurizing it before delivering it to the fire sprinkler system or hose lines.

XBD series fire pump set is mainly used for fire hydrant fire extinguishing system, automatic sprinkler fire extinguishing system, etc. in fixed fire fighting systems of various enterprises and 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.

We can manufacture fire pumps that are NFPA20 compliant and UL listed.
Fire pumps can function with electric motors or diesel engines, and if local building codes require electricity independent of the local grid, pumps using electric motors can use the installation of an emergency generator when connected through a transfer switch listed.

The fire pump is the necessary water intake equipment for fire-fighting facilities. At least one or two fire pumps are equipped. The commonly used fire pumps are electric fire pumps and diesel engine fire pumps. The difference between the two is that the electric fire pump needs power system supply. The electric diesel engine fire pump can be started at any time to fill the position of the original electric fire pump.