Why Fire Pumps Need Automatic Start Functions?

Small mobile fire pumps are highly mobile, quick to deploy, provide efficient water supply, and are adaptable to complex environments. They are widely used in industrial construction sites, emergency fire fighting, flood control and drainage, and disaster relief and rescue, improving fire safety and emergency response efficiency.

Fire pumps are widely used in our production and life, such as in water treatment, fire safety and other departments. After the reform and opening up, it is widely used in life and production due to its characteristics of complete sealing, no leakage, and corrosion resistance.

EEJ Fire Pump Set is 2 electric pumps and a jockey pump. It can meet 120~1500GPM . The head is less than 150m.

The box-type fire pump is a combination of the advantages of all pumps, without the need to build a pump station, saving costs, mobile, including electric pumps, diesel pumps and jockey pumps. It is a standard fire pump set. In the form of equipment, there is no need to worry about the failure of the pump, the structure design is exquisite, the building space is effectively reduced, the construction is convenient, the maintenance is simple, and the comprehensive investment in fire protection is reduced.

Discover the ZJ-Better Portable Diesel Fire Pump — a compact, powerful, and easy-to-deploy firefighting solution ideal for rapid emergency response, off-grid areas, and field operations. Designed for mobility and reliability with low maintenance and high efficiency.

High-power diesel fire pumps demonstrate outstanding performance in emergency firefighting, featuring powerful output, stable high-pressure water supply, rapid response, and high reliability. They are suitable for fire protection systems in industrial facilities, commercial buildings, and outdoor environments without electricity, providing continuous, safe, and efficient emergency protection solutions for critical scenarios.

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.

Air-cooled diesel fire pumps are highly efficient, stand-alone firefighting equipment, offering powerful power, no need for a water cooling system, energy conservation, environmental protection, and easy maintenance. They provide a stable water supply even in power outages or extreme environments, ensuring rapid and reliable fire emergency response. They are widely used in firefighting systems in factories, warehouses, docks, and remote areas.

The minimum fire rated pressure of ED small fire fighting package set water supply equipment is 3 bar and the minimum fire rated capacity is 25 GPM. ED small fire fighting package set water supply equipment includes at least two power or power source driven pumping units, pressure tanks, pipes, valves and accessories, measurement and control instruments, control cabinets, outdoor rain cover, etc.
Motor: Three-phase asynchronous squirrel-cage motor independently developed and manufactured by our company, which can be controlled in production time and greatly shorten the whole set production time.
Diesel Engine: According to the different parameters of customers, we will choose diesel engines with high cost performance ratio. The main brands are QuanChai, Weichai, ShangChai, FAWDE, Cummins, etc.
Electric Pumps: Electric pumps can use vertical in-line pumps, horizontal end-suction pumps, vertical multi-
stage pumps, horizontal multi-stage pumps, split casing pumps and so on according to the different flow and head of customers.
Diesel Pumps: Diesel pumps can use vertical in-line pumps, horizontal end-suction pumps, vertical multi-
stage pumps, horizontal multi-stage pumps, split casing pumps and so on according to the different flow and head of customers.
Electronic Components: The main electric components is CHNT, if Schneider or other brand electrical are need, should mention it before place the order.
Safety Valve plays a safety protection role in the system. When the system pressure exceeds the prescribed value, the safety valve opens, and a part of the gas/fluid in the system is discharged into the atmosphere/pipeline, so that the system pressure does not exceed the allowable value, so as to ensure that the system does not cause accidents due to excessive pressure.
Pressure Tank: Water is a non-compressible medium. Generally speaking, the pressure drop of fire-fighting pipe network is normal. However, the pressure drop is very slow, the total loss of water in the pipe network isnot large, and the frequent change of pressure in the pipe network leads to frequent start-up and shutdown of pumps. Especially when the power of equipment is high, it will cause great impact on pressure sensors, relaysand motors, thus affecting the performance and life whole equipment. Therefore, it is necessary to choose the right volume of the pressure tank.

High-Performance Vertical Fire Booster Pump Units provide stable pressure output, automatic pressure maintenance, high-head performance, intelligent control, energy-efficient operation, and reliable fire water supply for sprinkler systems, high-rise buildings, commercial facilities, industrial projects, and modern fire protection networks.

Application fields of XA fire pump:
For conveying clean water and liquids with physical and chemical properties similar to water;
Liquid pressurization devices of water works or water supply companies;
Circulation and cooling systems, boiler feed water, industrial water supply and drainage in industrial process systems;
Farmland irrigation and drainage, air conditioning system, urban water supply and drainage, fire protection system.

·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 compact fire pump unit has the advantages of small size, high efficiency, self-priming and rapid start-up, and independent operation. It is suitable for emergency, industrial and outdoor fire water supply scenarios, and can achieve efficient and stable water supply.

Application Scope
Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service.

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

Jockey pumps should be inspected regularly, with routine checks typically performed monthly. The inspection includes checking pressure settings, verifying proper operation, and inspecting for any leaks or damage. Ensuring that the jockey pump functions correctly helps maintain system pressure and prevent unnecessary wear on the fire pump.

Zhejiang Better Technology Group Co., Ltd. mainly produces various industrial pumps, electric motor fire pumps, diesel engine fire pumps, fire-fighting special water supply equipment, fire-fighting dual-power water supply equipment, general-purpose fire-fighting gas top pressure water supply equipment, fire pump control cabinets, fire-fighting frequency conversion automatic Inspection cabinets, fire protection dual power supply cabinets, submersible sewage pumps, pipeline pumps, chemical pumps, oil pumps, slurry pumps, vacuum pumps and complete sets of vacuum equipment, non-negative pressure water supply equipment, frequency conversion constant pressure water supply equipment and water tanks of various materials, fire protection, Domestic pump room control cabinets, etc., products are widely used in agriculture, machinery, chemical industry, papermaking, medicine, food, sugar, electronics, metallurgy, ceramics, water diversion, printing and dyeing, building materials and other fields.

Flow:120GPM~1500GPM
Rated pressure: < 150m Speed: 2950 to 3550 RPM

Measure pump head: Plot flow vs. pressure to establish head-capacity relationships.
Use test results: Compare actual performance to manufacturer data.
Identify pump efficiency: Evaluate power consumption at different operating points.

1. Electric fire pump: various end suction pumps and split pumps.
2. jockey pump: vertical, small flow, higher lift than electric or diesel pumps.
3. Control panel: Automatically control the water pump with overload and overcurrent protection.
4. Accessories: suction pipe, discharge pipe with flange, battery, gate valve, check valve, flexible expansion joint, pressure switch, pressure gauge, base, etc

Fire pumps are the key to supplying fresh pressurized water to fire protection systems. They do not produce water per se, but add the energy needed to effectively extinguish a fire. These pumps can be connected to sprinkler systems or other external water sources near the emergency situation. Some may actually be connected to a well, reservoir or water body.

The equipment is designed to have one duty and one standby function. The main electric pump runs normally, and the standby diesel pump starts automatically after the main pump fault . The Jocky pump will start and stop based on the pipe pressure, Control panel site start.

Fire pumps are designed to run continuously during a fire emergency. They must be able to sustain operation for the duration required to control or extinguish the fire, which can be several hours.

Fire pumps are primarily designed for structural fire protection, and their use in wildfire prevention is limited. However, water pumps and other firefighting equipment may be employed for vegetation fire control in specific situations.

Fire pump as the name implies, fire pump, according to different classification is divided into different kinds of it is fully sealed, no leakage, corrosion resistance, widely used in environmental protection, water treatment, fire departments, is used to pump all kinds of liquid equipment.

Fire pump maintenance is essential to guarantee the system’s longevity and reliability. This article provides an in-depth examination of best practices for fire pump maintenance, covering preventive maintenance schedules, routine inspections, lubrication, and replacement of wear components. It emphasizes the role of NFPA standards in guiding maintenance procedures and underlines the importance of documenting all maintenance activities.

Fire pumps typically draw water from a reliable source such as a dedicated water tank, municipal water supply, or open water source. It’s essential to ensure that the water supply is sufficient and free from contaminants.

The fire pump is mainly used for various fire hydrants and spray fire main pumps. It is also suitable for various fire booster and pressure stabilizing pumps. It is also suitable for various villas, residential areas and other fire protection systems, industrial and civil The building fire protection system is also suitable for various oil depots, oil loading and unloading docks, logistics parks and other places with high fire protection requirements.

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.

• Automatic switching between three pumps, when the electric fire pump fails, the diesel engine backup pump will automatically start
• Works even with power outages
• Adopt high-quality NSK bearing, wear-resistant mechanical seal or packing seal
• Product parameters available upon request

Discover the efficiency and system integration benefits of split case fire pumps in high-flow fire protection scenarios. This article highlights advanced hydraulic design, stability, intelligent control, and easy maintenance—ideal for skyscrapers, petrochemical sites, and data centers.