What is the Importance of Intelligent Control Systems in Electric Fire Pumps?

Public transportation systems, including subway stations and railway terminals, are complex environments with high volumes of passengers and potential fire hazards from electrical equipment, flammable materials, and mechanical systems. Fire pumps are vital in these settings for delivering the water or suppression agents necessary to extinguish fires in tunnels, platforms, and adjacent facilities. Jockey pumps ensure constant pressure in the system, so fire suppression mechanisms like sprinklers, hydrants, and standpipes are always prepared to respond. Given the confined and underground nature of many transportation hubs, fire protection systems must be capable of addressing fires in tight, poorly ventilated spaces while facilitating the safe evacuation of passengers. The pumps also need to support fire hose connections for firefighters, who might need to cover long distances within tunnels or elevated railways. Regular inspections and emergency drills are essential to ensure that fire pumps are fully operational and integrated with ventilation and evacuation systems, providing a coordinated response to fire emergencies in these high-risk, densely populated environments.

Diesel engine fire pumps have been widely used as fixed fire extinguishing equipment for fire diversion, especially in the case of sudden fire water supply such as lack of power supply or abnormal power supply. , fire pump, connection device, fuel tank, radiator, battery pack, intelligent automatic control screen, etc. Diesel engine fire pump products have the characteristics of leading technology, high degree of automation, excellent performance protection function, reasonable structure, simple installation and high cost performance. At the same time, in order to meet the different needs of users and reasonable investment, the products are divided into multiple application series such as fire pumps, industrial emergency pumps, agricultural pumps, marine pumps, and trailer-type mobile water pump stations. It can be used together with electric fire pumps.

Application Scope
Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service.

Using Instruction
Altitude: ≤ 1000m;
Ambient temperature: +5 °C ~ +40 °C;
Relative humidity: <= 90%.

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.

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.

Flow-500gpm
Head-8bar
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.

The pump and the motor are coaxial, which simplifies the connection of the pipeline. The pump inlet and outlet are on the same horizontal axis, and the diameter and specifications are the same. The pump is provided with a mounting base, which is easy to install and increases the stability of the pump operation. The pump seal adopts mechanical seal, which has the characteristics of reliable sealing and no leakage.

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.

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.

EEDJ Fire pump set for small flow is made of E+E+D+J
Operation: 2 Duty (electric) + 1 standby (diesel engine) + 1 Jockey
Capacity: 30, 50, 80, 100, 150 GPM with pressure 4, 5, 6, 8, 10Bar.
Pressure vessel 12, 24liters, pressure will be 0.6mpa, 1.0mpa, 1.6mpa, select according to pump head.

Fire pumps play a pivotal role in fire protection systems by ensuring a reliable and pressurized water supply for firefighting efforts. When a fire breaks out, immediate access to water at a sufficient flow and pressure is critical to containing and extinguishing the flames. In many cases, the water supply provided by municipal water mains may not be adequate, necessitating the use of fire pumps to boost water delivery to firefighting equipment.

Fire pumps are especially crucial in large industrial or commercial buildings, as they ensure that every corner of the facility has access to water for firefighting. Without fire pumps, there might be inadequate pressure or flow, resulting in a delayed response, potentially leading to greater fire damage.

The minimum fire rated pressure of ED small fire fighting package set water supply equipment is 3 bar and the minimum fire rated capacity is 25 GPM. ED 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.
Motor: Three-phase asynchronous squirrel-cage motor independently developed and manufactured by our company, which can be controlled in production time and greatly shorten the whole set production time.
Diesel Engine: According to the different parameters of customers, we will choose diesel engines with high cost performance ratio. The main brands are QuanChai, Weichai, ShangChai, FAWDE, Cummins, etc.
Electric Pumps: Electric pumps can use vertical in-line pumps, horizontal end-suction pumps, vertical multi-
stage pumps, horizontal multi-stage pumps, split casing pumps and so on according to the different flow and head of customers.
Diesel Pumps: Diesel pumps can use vertical in-line pumps, horizontal end-suction pumps, vertical multi-
stage pumps, horizontal multi-stage pumps, split casing pumps and so on according to the different flow and head of customers.
Electronic Components: The main electric components is CHNT, if Schneider or other brand electrical are need, should mention it before place the order.
Safety Valve plays a safety protection role in the system. When the system pressure exceeds the prescribed value, the safety valve opens, and a part of the gas/fluid in the system is discharged into the atmosphere/pipeline, so that the system pressure does not exceed the allowable value, so as to ensure that the system does not cause accidents due to excessive pressure.
Pressure Tank: Water is a non-compressible medium. Generally speaking, the pressure drop of fire-fighting pipe network is normal. However, the pressure drop is very slow, the total loss of water in the pipe network isnot large, and the frequent change of pressure in the pipe network leads to frequent start-up and shutdown of pumps. Especially when the power of equipment is high, it will cause great impact on pressure sensors, relaysand motors, thus affecting the performance and life whole equipment. Therefore, it is necessary to choose the right volume of the pressure tank.

The fire pump is mainly used for water delivery in the fire protection system. As an indispensable tool for the fire protection 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. Increase the suction head: Increasing the suction head, or the vertical distance between the suction inlet and the centreline of the impeller, can reduce the chances of cavitation.

2. Increase the impeller speed: Increasing the impeller speed can also reduce the chance of cavitation.

3. Install an air separator: An air separator in the suction line can help remove any entrained air from the system, thus reducing the chance of cavitation.

4. Install a venturi: A venturi installed in the suction line can help create an area of low pressure, which can reduce the chance of cavitation.

5. Install a priming valve: A primer valve can help reduce the suction head and thus reduce the chance of cavitation.

6. Install a vacuum breaker: A vacuum breaker can be used to reduce the pressure in the suction line, thus reducing the chance of cavitation.

7. Improve the suction piping: Improving the suction piping, such as using larger pipes, can reduce the chance of cavitation.

8. Inspect the pump and suction line: Inspecting the pump and suction line for any signs of wear or damage can help reduce the chance of cavitation.

The EDJ （Diesel Pump:IS, Electric Pump:ISW）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.

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 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.

Discover the importance of automatic start functions in fire pumps for rapid emergency response and NFPA 20 compliance.

Operators should be trained on the proper use of fire pumps and follow safety guidelines. Emergency stop procedures should be understood, and operators should wear appropriate personal protective equipment.

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.

The diesel engine fire pump is suitable for unattended emergency water supply systems. The product has the characteristics of good technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. pipe network pressure.

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.

1. Disconnect all electrical power to the fire pump and diesel engine.

2. Remove the fire pump and diesel engine from the mounting surface.

3. Drain the fuel from the fuel tank and disconnect the fuel lines from the engine.

4. Remove the hoses from the pump and the engine and drain the cooling system.

5. Remove the drive belt from the pulleys and remove the pulleys from the engine.

6. Remove the fan, flywheel, and starter motor from the engine.

7. Remove the cylinder head, piston rings, and other components from the engine.

8. Separate the pump from the engine and remove the impeller from the pump.

9. Disassemble the pump and engine into individual components.

10. Clean and inspect all parts for wear and damage.

11. Reassemble the pump and engine and reinstall on the mounting surface.

12. Reconnect the fuel lines and hoses and refill the cooling system.

13. Reconnect all electrical power to the fire pump and diesel engine.

Fire pump system is made of Diesel+Jockey pump
1. Diesel engine pump, can use single stage pump, horizontal split case pump, end suction pump, multistage pump, material can be cast iron, stainless steel, and bronze impeller , with fuel tank, water tank，fan, control box
2. Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump
Jockey material casing: cast iron, shaft and impeller: SS304

Fire pump components:
1. Diesel pump: the flow rate is the same as that of the electric pump. It connects pump sets with highly elastic couplings or universal joints.
2. Pipeline supplementary pressure 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.

DJ fire pump equipment is composed of diesel pump + jockey pump. It is widely used in various fire protection occasions. It is not affected by the mains and can run even when power is cut off. We have a professional sales team and R&D team with strong technical skills and self-produced control systems.

Compact diesel fire pump units offer independent power, quick deployment, and automatic start features, making them ideal for emergency firefighting in remote, power-limited, or high-risk areas like oilfields, warehouses, and rural sites.

This equipment is a customized EEJ fire pump set which can meet 500GPM@80m. The duty pump and standby pump are XA series pump.

Perform a flow test: Measure pressure at different flow rates.
Run a churn test: Operate the pump at shut-off to check performance.
Simulate power failure: Ensure backup diesel systems kick in.
Record test results: Compare to manufacturer and NFPA benchmarks.

·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

·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