Fire pumps are widely used in our production and life

Jockey pumps are smaller pumps that maintain pressure in the fire protection system between tests and activations. They prevent pressure loss in the system and ensure that the fire pump doesn’t start unnecessarily. Jockey pumps are crucial for system reliability.

Yes, the fire pump configuration control cabinet is an important part of any fire system. The cabinet holds all of the system’s controls, relays, and other components, which allow the system to function properly. Without the control cabinet, the fire system would not be able to function correctly.

EDJ fire pump set is our main product, 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 signal from the electric contact pressure gauge and start the diesel engine pump within 5 seconds, and reach the rated working condition within 20 seconds to ensure the normal operation of the fire extinguishing work.

1.Electric 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
2.Diesel engine pump, with capacity and head equal to electric pump, with fuel tank, water tank,fan
3.Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump, this jockey pump is optional
4.Control panel: Auto Control for all pumps with overload, over current protection.
5.Accessories: valves, pressure vessel, Pressure Gauge, Pressure Sensor, Common Base plant

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.

The fire pumps used in diesel engine fire pump sets can be IS series single-stage type, S, D type series segmental multi-stage type produced by our company. The diesel engines used in this series of equipment are domestic or imported high-quality products, which have the characteristics of good starting characteristics, strong overload capacity, compact structure, convenient maintenance, simple use, and high degree of automation. It is an advanced and reliable fire-fighting equipment.

Small flow fire pump assemble process
This is for Philippines order for us, and flow as 50gpm 6bar
Normal use for small shop and hotel project

Diesel engine fire pumps are usually used as a backup facility, and will only start automatically when the electric water pump fails or the power is cut off when the fire signal comes. When equipped with an ultra-low pressure pump starting device, the matching electric pump control cabinet should also be equipped with an ultra-low pressure pump starting device, and the lower limit of pump starting should have a certain pressure difference. Of course, it is also possible to design a control system that is more suitable for customer needs according to customer requirements.

The EJ (Electric pump + Jockey pump) 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.

Diesel engine fire pumps are often used for emergency water supply in high-rise buildings, water companies, steel plants, wineries, chemical plants, hotels, hospitals, and other large-scale projects. Diesel engine fire pump is suitable for unattended emergency water supply system. The product has the characteristics of advanced technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. net pressure.

The pump casing of the electric pump of the fire pump set can be made of cast iron or stainless steel, the impeller can be made of copper impeller, the flow head, pressure or other parameters of the diesel pump are the same as those of the electric pump, and the diesel engine is connected to the pump head through a coupling. The jockey pump is a vertical pump, and its technical parameters are different from those of electric or diesel pumps. Generally, the lift is higher than that of electric and diesel pumps, and can be customized.

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.

When selecting a firefighting pump, factors such as the intended application (e.g., residential, industrial, wildland), required flow rate and pressure, available power source (e.g., gasoline, diesel, electric), portability, and budget should all be taken into account. Consulting with experts or fire safety professionals can help ensure you choose the right pump for your needs.

With the continuous development of society, people have higher requirements for the quality of life, and the safety of diesel engine fire pumps is more important. All places need to be equipped with fire-fighting facilities, and fire pumps are water intake equipment for fire-fighting facilities. A fire pump Our commonly used fire pumps are electric fire pumps and diesel engine fire pumps. The difference between them is that electric fire pumps need power system supply. In the event of a power failure, the diesel engine fire pump can be started at any time to make up for the original position of the electric fire pump.

EDJ series fire pump set consists of electric pump + diesel pump + jockey pump and all accessories.
Pump – ISO Horizontal end suction 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.

EDJ fire pump set consists of main electric pump (motor driven), standby diesel pump (diesel engine driven) and jockey pump. The pump is assembled from discharge and suction pipes and a control panel. The fire pump system can be customized for different uses such as high-rise buildings, warehouses, facilities, hospitals, supermarkets, shopping malls, villas, apartments, etc.

DJ series fire pump set consists of 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.

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 function of diesel fire pump is very powerful, we can set the control time during use, for example: preheating in advance, preparatory lubrication or timing start. The use of high-tech has made some complicated and time-consuming things easier in the past. The preheating setting greatly reduces the preparation time for rescue, allowing firefighters to rescue the first time. In the face of disasters, time is money and time. is life.

Fire pumps are necessary when the water supply available does not generate the necessary hydraulic pressure required to meet demand of a fire protection system such as automatic sprinklers and standpipes, or even foam systems.

Diesel-driven fire pumps provide a reliable alternative to electric-driven pumps, especially in areas prone to power outages. They offer independent operation without relying on the building’s electrical supply and are often used in remote locations or where backup power is essential.

The motor of this EJ fire pump set is directly connected to the pump body, which saves costs. It adopts ISW pump, and its performance parameters and technical indicators meet relevant standards. It has the characteristics of high efficiency and reasonable structure. It is suitable for industrial and urban water supply and drainage, high-rise building increase Pressurized water supply, garden sprinkler irrigation, long-distance water supply, heating, bathroom and other hot and cold water circulation pressurization and equipment.

50gpm 6bar ED fire pump set test video

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.

A fire pump is required when the available pressure from the water system is insufficient to supply adequate pressure to all of the sprinkler heads in the structure at the required flow. The required flow is based on heads activating in a given area, which is determined by the hazard to be protected. Fire pumps are more commonly needed in taller buildings, but can also occur in shorter buildings in hilly locations.

The EDJ Fire Pump system consists of diesel engine fire pumps, electric pump units, and pressure stabilizing pumps, creating an intelligent automatic fire water supply system. Our electric pump units come in various models, including single-stage pumps, horizontal split-case pumps, end-suction pumps, and multi-stage pumps, constructed with cast iron or stainless steel and equipped with efficient copper impellers for exceptional performance.
Whether it’s for buildings, factories, or warehouses, the EDJ fire pump system provides outstanding performance and reliability for your fire protection system, ensuring safety and security during fire emergencies!

Fire pumps are typically started automatically when the fire sprinkler system detects a pressure drop caused by the activation of one or more sprinklers. This automatic start is usually controlled by a pressure switch or controller.

EDJ diesel engine fire pump is used for various fire hydrants and sprinkler fire main pumps; it is suitable for various fire boosting and pressure stabilizing pumps; various villas, residential areas and other fire protection systems; industrial and civil building fire protection systems; suitable for Various oil depots, oil loading and unloading docks, logistics parks and other places with high fire protection requirements.

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.