Dual Pump System: How Does It Provide More Efficient Fire Protection?

Corrosion-resistant fire pumps are high-performance firefighting equipment specifically designed for marine, chemical, and high-salt-spray environments. They possess excellent corrosion resistance, high efficiency, and long service life. Utilizing corrosion-resistant materials and an intelligent control system, they maintain a stable water supply even in harsh environments, ensuring reliable operation of the fire protection system. Suitable for coastal facilities, oil platforms, docks, and industrial plants, they provide safe and efficient fire protection for critical areas.

Independently powered diesel fire pump systems provide reliable fire-fighting water supply for high-rise buildings, industrial parks, and remote areas. These systems offer advantages such as automatic start-up, powerful performance, high energy efficiency, intelligent control, and durability, ensuring continuous water supply during power outages or emergencies. They are an essential equipment choice for modern fire safety systems.

Discover the importance of automatic start functions in fire pumps for rapid emergency response and NFPA 20 compliance.

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.

Diesel engine fire pumps can be widely used in environmental protection, water treatment and fire protection departments to transport various liquids by using their own advantages.

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.

Small-power diesel fire pump units are compact in structure and have independent power design. They feature rapid start-up, stable water supply and high reliability. They are suitable for temporary fire protection projects, decentralized fire protection deployment and backup fire protection systems. They can still ensure fire safety and continuous water supply in the event of no power or power outage.

New Generation Diesel Split Case Fire Pump Systems deliver high-flow water supply, stable pressure performance, independent diesel-powered operation, rapid emergency start-up, continuous-duty reliability, and intelligent control capabilities for industrial facilities, airports, power plants, warehouses, commercial buildings, infrastructure projects, and large-scale fire protection engineering applications worldwide.

Fire pump kits include a combination of electric pumps, diesel engine driven and electric motor driven jockey pumps for use in fire suppression systems. The fire pump group has a large flow rate, plays an important role in fire, and maintains a long-term high-efficiency working state under the condition of continuous water resources. With good reliability, it is welcomed and accepted by customers all over the world.

What kind of terrain to choose what kind of water pump

This problem, in short, is the selection of water pumps. The following are the applicable way for you to choose water pumps from zjbetter. I hope they can help you choose water pumps and help you better. Choose the water pump that suits your design.
1. Confirm the use terrain
First understand the terrain in which the outfit is used, including temperature, moisture, air pressure, air cattiness, dustproof and leakproof conditions, and the position of dangerous areas.
2. Confirm operating conditions
Refers to the liquid face pressure( absolute) on the suction side of the liquid, the liquid face pressure on the discharge side, intermittent or nonstop work, fixed or mobile position, and the convenience of installation and conservation.
3. Confirm the nature of the medium
Medium temperature, viscosity, density, impregnated vapor pressure, solid flyspeck periphery and content, gas content, cattiness, volatility, trap, toxin.
4. elect the material of the pump bathe corridor
According to the physical and chemical parcels of the pumped medium above, the material of the inflow- passing corridor is determined.
5. Determine performance parameters
The performance parameters of the water pump can be determined by computation, analogy, test and other styles.
6. Determine the installation type
The installation of the channel is determined by the layout of the channel and the installation point, and there are direct connection, perpendicular and other types.
8. Determine the number of pumps
In general, spare pumps, especially fire pumps, are set up, and the number of pumps is named according to different situations.

High-efficiency horizontal split-type fire pumps are designed specifically for large-scale fire water supply systems. They have advantages such as large flow rate, high efficiency, stable operation, and convenient maintenance. They are widely used in industrial fire protection, commercial buildings, and large fire pump room systems to ensure stable and reliable fire water supply.

High reliability fire jockey pump equipment designed for fire pump station auxiliary systems to maintain stable pipeline pressure. Features automatic pressure control, energy efficient operation, durable structure, and reliable performance for commercial buildings, industrial facilities, warehouses, and municipal fire protection networks, ensuring fire systems remain pressurized and ready for emergency response at all times.

Non-UL Flow：30-9000 GPM
Non-UL Head： 3-20 Bar (40-300 psi)
UL Flow：50-3000 GPM
UL Head： 5-20 Bar (72.5-290 psi)
The EDJ Fire Pump Set includes diesel engine pumps, electric pumps and jockey pumps.

The conventional electric pump is the main pump, the diesel engine pump is the backup pump, and the jockey 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.

Pressure-stabilizing pumps provide reliable, 24/7 fire protection by stabilizing water pressure, offering energy-efficient and efficient operation, and intelligent control. With their rapid response, compact design, and multiple safety features, they are widely applicable to high-rise buildings, industrial sites, and public facilities, enhancing overall fire safety.

The standard DJ fire pump set consists of one diesel pump + one jockey pump, which is suitable for fire protection occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas, textiles, ships, and oil tankers.

Diesel engine fire pumps are relatively common in life, and their performance requirements are relatively high. In ordinary use, more attention should be paid to maintenance, so as to prolong the service life of the pump. Because diesel fire pumps are not omnipotent, there will be some problems in daily use, so when choosing equipment, we must pay attention to whether the quality of the equipment meets the national standards. As fire equipment, all kinds of equipment must be To ensure performance, avoid affecting use in disaster situations and delaying rescue.

Advanced fire pump technology enhances emergency response with high-efficiency design, intelligent control, energy-saving operation, and durable safety performance, delivering reliable fire protection for buildings and industrial facilities.

EJ fire pump set has significant advantages such as high efficiency, low operating noise, good cavitation resistance, reasonable structure and long service life. , long-distance water supply, heating, bathroom, boiler cold and warm water circulation pressurization, air conditioning refrigeration system water supply and equipment matching and other occasions.

Diesel engine fire pump is also called “engineering diesel engine fire pump group”. Diesel engine fire pump group has the characteristics of good starting characteristics, strong overload capacity, compact and reasonable structure, convenient maintenance, simple and reliable use and so on. The unit is equipped with protection functions such as overspeed, low oil pressure, failure to start three times, high water temperature, low oil level, and low battery voltage. It can fully meet the fire water supply in various occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas stations, textiles and other industrial and mining enterprises.

1. Water filling treatment Before selecting the power-on power, make sure that the fire pump should be filled with water when it is turned off, and the suction should be increased to make the pressure difference larger and quickly clean up some acid-base reagents and other pollutants. Make sure to fill the water well.

2. Selection of electrified power The horsepower of the fire pump will be selected according to the size of the pump. Before electrifying the pump, carefully check the electrical power. Once the power is not grasped accurately, it is easy to cause insufficient suction. Therefore, in order to make it have sufficient suction, the power should be selected reasonably. If there is no electricity, the fire pump cannot be started, let alone used. But does it mean that the pump can be used as long as there is electricity? Not necessarily, the pump can only be used if the electrified power is reasonable and the voltage is within the normal range.

Automatic constant pressure fire water supply units adopt vertical multi-stage centrifugal pumps, high-efficiency motors, and intelligent constant pressure control systems. They have advantages such as automatic pressure replenishment, precise constant pressure, rapid response, energy-saving operation, multiple safety protections, and remote monitoring. They are widely used in high-rise buildings, industrial plants, commercial complexes, hospitals, data centers, airports, and municipal fire protection projects, providing efficient, stable, and intelligent constant pressure water supply solutions for modern fire water supply systems.

High-performance diesel fire pumps, featuring high-temperature and corrosion resistance, are suitable for industrial plants, chemical bases, power plants, and high-rise buildings. Their independent diesel powertrain ensures stable water supply even in power outages, while their intelligent control system enables automatic start-up and remote monitoring. With their robust construction, easy maintenance, and efficient and reliable operation, they provide a robust and safe emergency water supply solution for various firefighting projects.

High-efficiency vertical in-line fire pumps offer stable water pressure, fast start-up, and high durability. They are compact and easy to install, making them suitable for high-rise buildings, factories, and large public facilities, ensuring reliable and safe fire emergency water supply.

Discover the advantages of modular fire pump stations with compact structure and powerful performance. Ensure reliable water supply, space-saving installation, energy efficiency, and intelligent control for modern fire protection systems.

1. Connection form

The vertical water pump is connected with the motor by the coupling, which needs to be aligned regularly; the perpendicular water pump is superimposed and connected from the bottom to the top, and the perpendicular water pump is generally called the channel pump.

2. Installation form

Compared with perpendicular water pumps, perpendicular water pumps are easier to install. The vertical pump set is handed with a base, and perfection adaptation is needed after installation.

3. conservation difficulty

Since the perpendicular water pump is composed of upper and lower layers, the conservation of the perpendicular water pump is more delicate. For illustration, to repair the impeller, it’s necessary to remove all the corridor above the impeller before repairing; while the vertical water pump is fairly easy. For illustration, the IS type pump can perform impeller conservation by removing the bay pipe.

4. bottom space

It can be seen from the appearance that the vertical water pump has a base due to its vertical structure, so it occupies a large area.

The electric fire-fighting booster pump set features a high-efficiency motor drive and an optimized hydraulic design, delivering stable pressure and flow to fire-fighting piping networks; it is suitable for use in buildings, industrial facilities, warehouses, and fixed fire-fighting water supply systems.

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 outdoor fire pump set is designed to enhance fire safety in various applications. From powering fire hydrants and stabilizing sprinkler systems to safeguarding residential areas, industrial buildings, and high-risk environments, the Outdoor Fire Pump Set delivers optimal performance and unmatched reliability.

The electric fire pump is an important part of the fire water supply system. The electric fire pump consists of two parts, the motor and the pump. The pump and the motor are coaxial. The pump structure includes pump body, impeller, pump cover, mechanical seal and other components.

The modern fire pump features high flow, low noise, and long service life with advanced hydraulic design and efficient motor performance. It delivers powerful water supply, quiet operation, and outstanding durability, ideal for fire protection systems in high-rise buildings, industrial facilities, and municipal projects.