The main functional characteristics of diesel engine fire pump

The motor of this fire pump set is directly connected to the fire pump, which simplifies the intermediate transmission structure and enhances the stability of operation. The equipment occupies a small area, saves costs, and is a cost-effective fire pump set.

·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

One way to choose a diesel generator set as a backup power source for fire fighting backup power is because in fire fighting, two power supplies are required, which can be two power plants and two transformers, or one mains and one diesel generator set. Meet the requirements of fire backup power.

A comprehensive overview of horizontal multistage fire pumps and their essential role in long-distance, high-head water supply systems. ZJ-BETTER delivers efficient, reliable, and corrosion-resistant fire pump solutions for high-rise buildings, petrochemical sites, tunnels, and more.

The packing of our products conforms to the national standard, meet customer needs, and standard handling and transportation.
All products are tested before delivery to ensure no quality problems.
As for after-sales problems, we can dispatch engineers to solve them on site, so you can buy our products at ease.

Fire pumps can encounter various issues that affect their performance. This article provides an in-depth guide to troubleshooting common problems, including cavitation, air binding, and leaks. It offers step-by-step solutions and preventive measures to address these issues and maintain reliable fire pump operations.

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 pressure gauge from the electric contact. When the signal comes, the diesel engine pump will be started within 5 seconds, and the rated working condition will be reached within 20 seconds to ensure the normal operation of the fire extinguishing work.

EEJ Fire pummp set
Fire pump system is made of E+E+J
Operation: 1 Duty (electric) + 1 standby (electric) + 1 Jockey
Capacity: 100, 150, 200, 300, 400, 500, 750, 1000…GPM with pressure 4, 5, 6, 8, 10… Bar.
Pressure vessel 25, 50, 75, 100…liters, pressure will be 0.6mpa, 1.0mpa, 1.6mpa, select according to pump head.

Applications:
High-rise hotel, high public places;
High-rise office buildings, high-rise residential;
Chemical, oil refining, metallurgical, enterprises;
Energy, medicine and military, enterprises.

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.

The portable mobile fire pump system features rapid deployment, high mobility, strong lift and flow capacity, and easy operation. Ideal for emergency firefighting, outdoor rescue, and diverse fire protection applications, especially in initial fire response.

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.

Discover the ideal fire pump solution for compact and mid-sized buildings with our intelligent electric fire pump system. Featuring a space-saving vertical design, smart controls, and high efficiency, it’s perfect for residential, commercial, and industrial fire protection needs.

·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 fire pump set is not installed with water inlet pipe according to customer requirements. The fire pump adopts ISW pump, which has the advantages of convenient installation and simple maintenance.The pump set consists of electric pump, diesel engine pump and jockey pump.The three pumps automatically start and stop, and they can run even if the power is cut off, without being affected by the mains.

This fire pump system features an advanced, high-efficiency pump design that delivers a high flow rate and elevated water pressure, ensuring that adequate water supply is available to quickly control fires in their early stages. Integrated with an intelligent control module, the system monitors real-time operating conditions, automatically adjusts working parameters, and promptly issues alarms in case of any abnormalities, keeping the system operating optimally at all times. By combining robust water pressure with precise smart monitoring, this system not only achieves outstanding firefighting effectiveness but also reduces energy consumption and extends equipment lifespan. It is an ideal solution for providing reliable fire protection across various industrial, commercial, and public buildings.

Specialized diesel fire pumps for ports and large facilities feature rapid response, long-term stable operation, high head and large flow, corrosion resistance and durability, as well as intelligent control. These pumps ensure efficient water supply in power outages or emergencies, thereby safeguarding fire safety.

In modern fire protection systems, rapid response to fire incidents is crucial for safeguarding life and property. The Pressure Stabilization and Dual-Function Pump System integrates powerful pressure regulation with dual power sources to ensure that the fire protection system quickly responds and maintains a continuous, stable water supply during emergencies.

This pump system is designed with two power sources—an electric motor and a diesel engine. When the primary power source fails, the diesel engine automatically starts, ensuring uninterrupted operation of the fire protection system even during power outages. Its pressure stabilization system automatically adjusts pressure during operation, ensuring stable water flow for fire suppression and preventing water interruptions due to insufficient or fluctuating pressure, ultimately improving firefighting efficiency.

The intelligent control system further enhances the efficiency of the pump system, allowing users to monitor the system’s status in real-time through a touch panel. The system is easy to operate, and any malfunction is quickly detected and alarms are triggered, activating backup systems to effectively prevent emergency issues caused by system failure.

This pump unit is ideal for applications in high-rise buildings, industrial zones, storage facilities, and other locations with high reliability requirements for fire protection, ensuring that the fire pump can be immediately activated and continue to supply water in any emergency.

The complete fire pump system consists of pumps, drivers, controllers and accessories installed on a universal base, and is suitable for fire water supply and emergency water supply in warehouses, storage yards, airports, petrochemicals, liquefied gas in power plants, textiles, ships, oil tankers, etc. This pump set is ideal for firefighting or voltage stabilization in houses or small buildings. We customize it to NFPA 20 and UL standards.

As a fixed firefighting equipment, diesel engine fire pumps are widely used in firefighting and shunting operations, especially when there is no power supply or no power supply (main power supply).
Diesel fire pumps can also be equipped with other diesel engines as power engines according to user needs. It is mainly composed of diesel engine, fire pump, connection device, fuel tank, radiator, battery, intelligent self-control panel, etc. The crankshaft of diesel engine fire pump has high overall rigidity, high strength and high torque transmission efficiency. Adopt international advanced technology, sliding bearing, plate-fin cooler, upper heat exchanger, rotary oil filter, double cooling system. Diesel engine fire pump performance, smoke and noise indicators meet national standards.

The small EJ fire pump set is suitable for low buildings. The fire pump set consists of an ISW electric pump and a 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 to take out all the rotors part. 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.

·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

– Handling of Hazardous Materials: Ensuring systems are designed to handle and suppress fires involving hazardous waste.
– Explosion-Proof Design: Using explosion-proof components to prevent ignition in volatile environments.
– Specialized Fire Suppression Methods: Implementing fire suppression methods tailored to hazardous waste fire hazards.
– Compliance with Hazardous Waste Safety Regulations: Adhering to fire safety regulations specific to hazardous waste management.

Discover the outstanding advantages of compact integrated diesel fire pump systems, suitable for space-constrained environments, featuring high efficiency, quick installation, and long-lasting fire protection, widely applicable in industrial and commercial settings.

1. Electric pump, can use multistage pump, material can be cast iron, stainless steel, and bronze impeller

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

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.

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.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar
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 lifespan of a fire pump motor or engine varies based on factors like usage, maintenance, and the quality of the equipment. However, they are typically designed to be durable and long-lasting.

The electric motor fire pump is an important water supply equipment in the fire protection system. The electric motor fire pump has a wide range of head, flow and power, and can be used in many environments. Providing sufficient water supply is the key to ensure emergency use.