How to operate the diesel engine fire pump to save energy and fuel?

We offer highly customized fire pump solutions designed to meet the specific needs of various scales and environments. Whether for large industrial facilities, commercial centers, or high-rise buildings, our fire pump systems provide optimal hydraulic support and reliability. Each project undergoes a thorough needs assessment and design to ensure effective solutions for every fire protection challenge.

Our customized fire pump systems include multiple configuration options, allowing for the selection of diesel engines, electric motors, or other drive types based on the actual application requirements, ensuring stable performance in various complex environments. Additionally, we provide smart control panels with features such as automatic start/stop, remote monitoring, and fault alarms, giving customers comprehensive management control capabilities.

We are committed to delivering the most reliable and efficient fire pump solutions worldwide, ensuring exceptional fire protection no matter how the environment changes. By choosing our customized fire pump system, you will have an efficient, energy-saving fire protection system capable of tackling a wide range of challenges.

Flow: 30GPM~9000GPM
Head: ＜200m
Speed: 2950~3500 RPM

1. Fire hydrant fire extinguishing system and automatic sprinkler fire extinguishing system in fixed fire protection systems of various enterprises and institutions, engineering construction, high-rise buildings, etc.
2. High-rise building partition fire water system, fire and living, production and shared water supply system and buildings, municipal, industrial and mining, boiler water supply and other occasions.
3. Fire-fighting system pressurized water supply, water supply plants, irrigation, drainage pumping stations, power stations, air-conditioning circulating water, industrial water supply systems, fire-fighting systems, shipping industry, oil refining systems, mining and other liquid transportation.
4. Fire water supply and emergency water supply in docks, warehouses, airports, petroleum, chemical, power plants, liquefied gas, textiles, ships, oil tankers, etc.

The EJ Dual Power Fire Pump System is an innovative and reliable fire protection solution. Combining an electric pump for robust water pressure and flow with a top-quality jockey pump for stable pressure maintenance, this system ensures efficient and timely water supply during fires. With advanced automation, remote monitoring, and energy-saving features, the EJ Dual Power Fire Pump System is a trusted choice for commercial, industrial, and residential applications.

BETTER diesel fire pump system is energy-efficient and highly reliable, engineered for high-risk applications like petrochemical plants and power stations. NFPA20-compliant and ideal for off-grid emergency use.

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

The pump head of this fire pump set adopts ISW pump, which has the advantages of convenient installation and competitive price. Its performance parameters and technical indicators meet relevant standards, and it has the characteristics of high efficiency and reasonable structure.

All places need to be equipped with fire-fighting facilities, and fire pumps are necessary water intake equipment for fire-fighting facilities. At least one or two fire pumps are equipped. Our commonly used fire pumps are electric fire pumps and diesel engine fire pumps. The difference between the two is The electric fire pump needs to be supplied by the power system. If the power is cut off, the diesel engine fire pump can be started at any time to make up for the original electric fire pump.

The EDJ model is basically a combination of Electric, Deisel and Jockey pumps. They mainly consist of an electric motor driven end suction pump and a backup pump of a diesel engine driven end suction pump. It is also combined with a jockey pump for maintenance to form a complete skid.
The complete EDJ style skid is assembled with all discharge line fittings and connected to the skid mounted control panel.

The horizontal diesel fire pump system is suitable for large factories and logistics parks. It operates independently and provides efficient water supply, ensuring the continuous and stable operation of the fire protection system in a power outage environment.

Discuss the applicability of fire pumps in residential buildings, particularly high-rise or large complexes where water pressure may be insufficient for fire suppression. Explain what factors make fire pumps necessary in certain residential scenarios, such as building height and local fire code requirements, and outline how they can be adapted for residential use, ensuring safety without excessive water 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.

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

In emergency situations, uninterrupted water supply can be the deciding factor between safety and disaster. This integrated dual power fire pump unit combines a diesel engine and electric motor in one system, with an intelligent switch mechanism. When grid power is available, the electric motor operates the pump; when power fails, it automatically switches to diesel engine drive — ensuring continuous operation and stable water pressure.

Featuring a compact design and small footprint, this unit is easy to install and widely applicable in high-rise buildings, factories, warehouses, petrochemical sites, airports, and other critical areas requiring high-reliability fire protection.

Equipped with an advanced control panel, it supports remote monitoring and automatic start-stop functions, making safety smarter and more responsive.

Choosing this dual power pump unit means choosing reliability, efficiency, and unwavering protection for your emergency systems.

With proper maintenance, a fire pump can last 15-20 years or longer. However, components such as seals, bearings, and impellers may need replacement during this period.

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.

Energy-saving twin fire pump unit suitable for multiple applications such as residential, industrial, and warehouse use. Features intelligent control, high efficiency, and reliable operation to enhance overall fire safety.

Learn how to diagnose and fix common issues when your fire pump fails to start.

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 water supply under pressure.

This fire pump set can be used outdoors, integrated pump station, no need to build another pump room, cost saving, composed of electric pump + diesel pump + jockey pump, three pumps automatically start and stop, when the stabilizer pump detects When the electric pump fails to run normally, the diesel engine pump starts automatically, which is not affected by the mains, and can also be used when the power is cut off. The fire pump set is widely used in various emergency firefighting occasions.

Firefighting pumps play a vital role in enhancing community resilience and disaster preparedness by providing essential firefighting capabilities to fire departments, emergency response agencies, and community organizations. Adequate investment in firefighting infrastructure, including pumps, hoses, and water supply systems, strengthens a community’s ability to respond effectively to emergencies and mitigate the impact of disasters on lives and property.

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

The diesel engine fire pump has the advantages of light weight, small size, flexible movement, quick start, fast water discharge time, large fuel tank capacity, corrosion resistance, reliable use, convenient maintenance, etc., fast automatic start and self-priming, and self-priming after dry running. Heavy-duty pump bearings – longer life; other parts are made of high-quality copper and stainless steel or customized by customers. The high-efficiency open impeller design of the diesel engine fire pump can handle large solids and abrasive materials while maintaining a high flow rate, and the large-capacity air treatment can be used for more “well point dewatering projects”.

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 electric fire pump unit is driven by an electric motor and has many different structures such as horizontal and vertical.

The electric fire pump set has a small footprint, light weight, low noise, and good start-up and operation performance.

Although the electric fire pump set has the advantages of simple operation and maintenance, most of the design specifications of the fire protection system stipulate that when using the electric fire pump set, it should have the condition of dual-circuit power supply. And usually there should be a diesel engine fire pump set as a backup pump set.

Series OTS pumps are single stage,double suction with horizontally split casings.They are suitable pumping unsettled water, clean water ,non-drinkable or hydrocarbon at a temperature not exceeded 105¡æ.
Series OTS pumps are available for capacities Of 68-18000m3/hr and heads of 70-200m.They are adoptable in water works irrigation and drainage pumping stations,fire fighting systems, marine applications as well as refinery industry,etc.

Answer: First of all, we must understand the relationship between pressure and lift: pressure = liquid density * g * lift (g = 0.981). In fact, the fire water pump can not only transport water, as long as the physical and chemical characteristics and water liquid are fine, but most of them transport water in daily life. The density of water is 1 ton per cubic meter. It can be obtained from the above formula : Pressure=1000*0.981*lift, pressure=0.981*lift, at this time the pressure and lift are almost the same, so whether we refer to lift or pressure, it can basically be regarded as a parameter.

Diesel pumps can be combined with electric pumps, jockey pumps, etc. to form an automatic water fire-fighting water supply system, and can be linked with the fire control center.

When the pump set receives the starting command, if the mains power is cut off, the automatic control cabinet of the diesel engine will immediately send a start signal to the starting motor of the pump set to start the motor to start the diesel engine at idle speed, and then gradually adjust the throttle to accelerate the diesel engine to the rated speed . The control system will automatically monitor the operation of the diesel engine, such as the oil pressure, oil temperature, speed of the diesel engine, outlet pressure of the water pump, etc., and determine whether the diesel engine starts normally through automatic monitoring. If the start fails, the control system will send a restart signal, and if the three starts fail, the automatic control system will send a failure alarm. When the pump set receives a signal that the pressure of the pipeline network is restored or the mains power is restored to normal, the pump set will quickly slow down and stop automatically after monitoring the idle position for a period of time.

When installing a fire pump, it is essential to adhere to specific requirements to ensure its proper functionality and compliance with safety standards. Here are some important installation requirements to consider:

Codes and Standards: Familiarize yourself with local fire codes, regulations, and industry standards applicable to fire pump installations.

Location and Accessibility: Choose an appropriate location for the fire pump that allows for easy access, maintenance, and serviceability.

Foundation and Mounting: Ensure that the fire pump is installed on a stable and level foundation capable of supporting its weight and minimizing vibration.

Electrical Connections: Electrical connections should be performed by licensed electricians following electrical codes and regulations.

Water Supply: Ensure an adequate and reliable water supply for the fire pump.

System Piping and Valves: The piping system should be installed following the pump manufacturer’s specifications and relevant standards.

Controls and Monitoring: Install the pump’s control panel and associated instrumentation according to manufacturer guidelines.

Testing and Commissioning: Thoroughly test and commission the fire pump system before placing it into service.

Documentation and Training: Maintain comprehensive documentation of the installation, including drawings, equipment specifications, test reports, and maintenance records.

It is crucial to consult with fire protection professionals, including fire engineers and pump manufacturers, to ensure compliance with all relevant requirements during the installation process. Proper installation is essential for the reliable operation of the fire pump and the safety of the facility and its occupants.

·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