The function and characteristics of diesel engine fire pump

Scope of application of fire pump set:
1. Industrial plants, automobiles, breweries, pulp and paper, chemicals, pharmaceuticals;
2. Government offices, embassies, military bases, administrative buildings;
3. Commercial buildings, high-rise buildings, hotels, office buildings, warehouses;
4. Various institutions, hospitals, labor camps, sanatoriums, schools;

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.

This is a set of EDJ fire pump set, which consists of electric pump + diesel pump + jockey pump. 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.

DJ fire pump group is mainly composed of diesel engine and regulator pump, can be selected in the state of no power supply.

The fire pump unit 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 to the input shaft of the fire water pump, and the other end of the output shaft of the double shaft extension motor is connected to a One end of the 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 drive circuit. With dual-power fire pumps, there is no need to configure a second fire pump, which reduces floor space and saves manufacturing costs.

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.

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.

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. With smart controls and automatic switching mechanisms, the transition between electric and diesel engine pumps is seamless, minimizing system downtime. Equipped with advanced safety features, including monitoring and alarm systems, real-time status updates allow for prompt action in case of any irregularities.

The finished EDJ fire pump set consists of jockey, electric&diesel pump along with control panel and accessories.

There are many applications for fire pumps, and different motors are selected according to the flow rate and head size. The commonly used motors include electric motors and diesel engines, and domestic and foreign brands can match the application. The fire pump can choose vertical or horizontal structure according to the pipeline requirements, and the head size is also different.

Because of the width required by our customer, this fire pump set is designed in in-line. Capacity and total head are 34m³/h@8bar.

The fire pump set adopts ISW pump, which saves cost and is reasonably priced. This series of fire pump sets are suitable for fire protection occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas, textiles, ships, and oil tankers.

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.

A fire pump is the main pump that provides high-pressure water flow during a fire, while a jockey pump is a smaller, auxiliary pump that maintains the system’s pressure during normal conditions, preventing the fire pump from turning on for minor pressure fluctuations.

Small fire pump set—With small flow, small lift and diesel electric matching, it is suitable for small buildings, small in size, small in floor area, and can save a lot of space and installation. It is the first choice of many foreign customers.Better Technology Group is committed to the production, testing, packaging, delivery and technical development of fire pumps. It researches pump products in many aspects and brings high-quality and high-performance fire pump products to many countries.

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.

Diesel fire pumps are generally used as backup equipment, and will only start automatically when the fire signal arrives, the electric pump fails or the power is cut off. After the ultra-low pressure starting device is equipped, the matching electric water pump control cabinet should also be equipped with an ultra-low pressure starting device, and the pressure difference between the two should be the lower limit. This series of products has a large range of lift and flow, which can fully meet the needs of the dock , warehouse, liquefied gas station, petrochemical, airport, power plant, textile and other industrial and mining enterprises fire water supply.

Firefighting pumps can be powered by various sources, including gasoline engines, diesel engines, electric motors, and even hydraulic systems. The choice of power source often depends on factors such as portability, availability of fuel, reliability, and specific application requirements.

High quality and low price fire pump, factory direct sales, professional production and sales team, actively and properly solve customer feedback after-sales problems.

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.

Yes, firefighting pumps are often integrated into building fire protection systems, such as sprinkler systems and standpipes. These pumps provide the necessary water pressure to ensure effective fire suppression in case of an emergency.

Fire pumps have a wide range of uses. In addition to providing water for fire-fighting piping systems, they can also be used for industrial water delivery. Fire pumps can also be used for water supply and drainage systems in cities. There are also other relatively long-distance water delivery tasks, such as heating boilers, hot and cold water circulation pressurization of bathroom boilers and multi-stage fire pump furnaces, etc., can all be completed by means of fire pump systems.

1. Fire Pump: A fire pump is the heart of a fire sprinkler system and is used to create the necessary water pressure to make the system work. It is powered by an electric motor or diesel engine and pumps water from a water source to the sprinkler system.

2. Control Panel: The control panel is the brains of the fire sprinkler system. It controls the flow of power to the pump and monitors the sprinkler system for any changes in pressure or water flow. It also triggers alarms and other safety devices in the event of a fire.

3. Suction Pipe: The suction pipe is connected to the fire pump and draws water from the water source. It is usually made of steel and must be strong enough to withstand the pressure exerted by the pump.

4. Pressure Gauge: The pressure gauge is used to measure the pressure in the system and ensure that the pump is providing the correct amount of water pressure. It is usually mounted on the control panel.

5. Valves: Valves are used to control the flow of water to and from the system. They are typically operated manually or automatically and can be used to start and stop the pump, control the flow of water, and isolate parts of the system for maintenance.

The lower the pumping head of the fire pump, the smaller the motor load. Under the misleading of this kind of misunderstanding, when purchasing a water pump, the head of the water pump is often selected to be very high. In fact, for centrifugal water pumps, when the pump model is determined, the power consumption is proportional to the actual flow of the pump. The flow rate of the water pump will decrease with the increase of the head, so the higher the head, the smaller the flow rate and the smaller the power consumption. Conversely, the lower the lift, the greater the flow and the greater the power consumption. Therefore, in order to prevent the motor from overloading, it is generally required that the actual pumping head of the pump should not be lower than 60% of the calibrated head.

·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

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.

The EDJ fire pump group is composed of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the stabilized 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.

As the name implies, the fire pump is a pump used in fire protection. The fire pump is an imported product. It is divided into different types according to different classification methods. It is fully sealed, leak-free, and corrosion-resistant. It is widely used in environmental protection, water treatment, fire protection, etc. The department is used to pump various liquids, and it is an ideal pump and fire protection system for creating a leak-free, pollution-free civilized workshop and civilized factory. The pump types are similar, but the head and flow are different.

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.

Stationary Pumps for Fire Protection: The diagram illustrates for a diesel-driven horizontal End suction fire pump assembly, electric fire pump as duty, a diesel drive pump as the backup.