How to Improve Fire Pump Efficiency with Variable Speed Drives (VFDs)?

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

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.

Fire pumps are an important part of the fire protection system, especially in high rise structures.In basic 400 – 500 or advanced water situations, fire pumps are important to distribute water into water lines and sprinkler systems where the water pressure of the fire fighting equipment cannot reach. Especially in low-rise structures, fire pumps are important for fire control.
Stylistically, fire protection is a dangerous activity, but without a well-designed and professionally installed system and pump, it certainly becomes more dangerous and commercial assets and lives are less at risk.

No, a fire pump should never run without water. Running a fire pump dry can cause significant damage to the pump’s internal components, leading to overheating and failure. Ensuring the water supply is reliable and monitored is essential for proper fire pump operation.

1. Disconnect the power and turn off the fuel source.

2. Remove any remaining fuel in the pump.

3. Clean the pump with a mild detergent and warm water.

4. Flush the pump with clean water.

5. Grease the bearings and any moving parts of the pump.

6. Reassemble the pump.

7. Reconnect the power and fuel source.

8. Test the pump to ensure it is functioning properly.

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.

·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

The size and capacity of a firefighting pump depend on factors such as the size of the area to be protected, the potential fire hazard, and the water supply available. Calculating factors such as flow rate, pressure requirements, and the distance water needs to be delivered can help determine the appropriate pump size and capacity.

Diesel engine fire pump is mainly composed of diesel engine, fire pump, coupling, fuel tank, radiator, battery pack, intelligent automatic control panel, etc. The company’s products are designed and optimized by computer. Our company has strong technical force, rich production experience and perfect testing methods to ensure the stability and reliability of product quality. The diesel engine fire pump adopts international advanced technology, sliding bearing, plate-fin air cooler, upper heat exchanger, spin-on oil filter and dual cooling system. The smoke and noise indicators reach the national high-quality product, and the fuel consumption is lower than the national standard high-quality product of 2.1g/kW.h.

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

Regular maintenance is crucial for ensuring the reliability of firefighting pumps. This includes checking and changing oil, inspecting hoses and connections, testing the pump regularly, and following the manufacturer’s maintenance guidelines.

For temporary structures and events, such as construction sites, outdoor festivals, or temporary exhibition halls, fire pumps and jockey pumps are vital for providing an adaptable and reliable fire protection solution. Portable fire pumps can be quickly deployed to deliver water to temporary sprinkler systems or standpipes, ensuring fire safety even in temporary settings. Jockey pumps help maintain pressure in these temporary systems, ensuring that they are always ready for immediate activation without requiring constant manual intervention. Given the temporary nature of these structures, fire pumps must be easy to transport, install, and operate, while also being durable enough to withstand outdoor conditions and frequent relocation. This flexibility makes them indispensable for ensuring fire safety in environments where traditional fire protection infrastructure may not be available.

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.

·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 small EEJ fire pump set is suitable for low buildings. The fire pump set consists of two ISW electric pumps and one CDL jockey pump. The ISW pump is easy to install and maintain, no need to disassemble or move the piping system, just lift the pump to connect the flat nut All rotor parts can be removed. The impeller is directly mounted on the main shaft of the motor, with a short axial dimension and a compact structure, which can calibrate the rounding of the pump to effectively generate radial and axial loads, thereby ensuring smooth operation, vibration and low noise of the pump.

EDJ fire pump set is composed of diesel engine pump + electric pump + vertical jockey pump. Diesel fire pumps are typically used where there are potential reliability issues with the local power grid, with available flows of 50-5000GPM.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar
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.

Key Considerations:
High-rise buildings require adequate water pressure to reach upper floors efficiently.
NFPA 14 recommends a minimum residual pressure of 100 psi (6.9 bar) at the highest standpipe outlet.
Fire pump discharge pressure should be calculated based on:
Elevation height (0.433 psi per foot of elevation).
Friction loss in pipes, fittings, and valves.
Minimum operating pressure required at hose connections.

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.

For research laboratories, quiet operation, reliability, and precise pressure control are essential. Electric fire pumps are often suitable, given their steady power flow and lower emissions, which may be critical for sensitive environments. Jockey pumps can also maintain pressure without large pumps constantly running.

·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

This is a 300gpm@135psi DJ fire pump customized by a customer in Latin America. It consists of a diesel pump + a jockey pump and is equipped with a control cabinet. The pump set is not affected by the mains, and is suitable for any fire emergency situation.

Diesel engine fire pumps are large-scale fire pumps. Diesel engine fire pumps are currently the hottest fire pumps on the market, especially in large warehouses, docks, airports, petrochemicals, power plants, and liquefied gas stations. This kind of fire pump with large flow and high power is often needed.

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. The jockey pump maintains a constant water pressure, optimizing the performance of the fire suppression system. The DJ Fire Pump Set offers a reliable and efficient solution for prompt response to fire incidents, making it an essential component for protecting property and ensuring occupant safety.

The ED Dual-Power Fire Pump System combines electric and diesel engine pumps to ensure uninterrupted fire protection and a reliable water supply. In the event of power outages or electrical failures, the diesel engine pump seamlessly takes over, guaranteeing continuous operation of the fire protection system. This dual-power configuration offers both reliability and flexibility, providing comprehensive coverage for fire safety needs.

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.

Diesel engine fire pump is also called “engineering diesel engine fire pump set”. The diesel engine fire pump set has the characteristics of good starting characteristics, strong overload capacity, compact and reasonable structure, convenient maintenance, simple and reliable use, etc. The unit is equipped with protection functions such as overspeed, low oil pressure, three start failures, high water temperature, low oil level, and low battery voltage. 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.

Flow: 2500gpm
Head: 10bar
This pump uses horizontal split case pump.
We manufacture in strict accordance with customer requirements. All products will be tested before leaving the factory to ensure that there are no problems. The design meets the national standard of general packaging, meets customer needs, and standard handling and transportation.

The fire pump refers to a clean water pump used for fire water supply, and a single pump that handles medium temperature below 80 degrees and is not corrosive. The pump set is the joint operation of multiple fire pumps to ensure the quantity and stability of the water supply. The electric motor fire pump group adopts multiple fire pumps powered by electric motors. The general fire water supply environment is equipped with one electric and one diesel fire pump as the reserve water pump to ensure sufficient emergency water consumption. The main components of the electric motor fire pump group are the motor and the pump body. The subdivision of the pump body is the pump casing, the impeller, the pump shaft, the bearing, the coupling, the sealing form, the lifting pipe, etc. The specific fire pump model is determined according to the environment and performance requirements. According to the material quotation required by the customer, accurate selection is beneficial to on-site use and reduces failure problems.