What are the starting and control methods for fire pumps

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Diesel engine fire pump is suitable for unattended emergency water supply system. The product has the characteristics of good technology, high degree of automation, superior performance, complete protection functions, reasonable structure, easy installation and high cost performance. When there is a sudden power failure in the factory, the diesel engine emergency water supply pump group automatically starts and supplements. network pressure.

The product is EJ fire pump set. The EJ fire pump set has one electric pump and one jockey pump. The electric pump in the picture is XA pump. XA series horizontal single-stage single-suction centrifugal pump is a new generation of energy saving, environment friendly horizontal centrifugal pump researched and developed by our company, which absorbs advanced technology of similar products abroad and adopts domestic general performance parameters of centrifugal pumps

1. Check the system pressure and increase if necessary.
2. Check the seals and gaskets for wear and replace if needed.
3. Check the pipe joints for any leakage and repair if needed.
4. Replace any worn or damaged parts.
5. Check the valves for any leakage and repair if needed.
6. Check the suction and discharge lines for any obstruction and clear if necessary.
7. Inspect the pump for any signs of corrosion and repair or replace if needed.
8. Check and adjust the pressure settings if needed.
9. Perform regular maintenance and service of the pump.

The fire pump is usually equipped with a local control cabinet. The control cabinet does not have a transfer control switch for automatic and manual conversion, but the automatic control loop leaves start and stop contacts, which are connected to the fire alarm system control module. In addition, according to the relevant regulations, the system using the bus linkage control should also be set in the fire control room with buttons that can directly start and stop the pump. When the fire alarm system receives the signal of the fire hydrant start pump button, the control module automatically starts the fire pump and collects its feedback signal.

DJ Fire pump set Fire pump set consists of one pump coupled to diesel engine, jockey pump, pressure vessel, controller for manual or automatic operation of system and standard accessories mounted on base frame.And this fire pump system can be customized for different purposes such as high rise buildings, facilities,hospitals, supermarkets,shopping malls,villas,apartments,etc.

Potential risks associated with diesel fire pumps include fuel spills, engine emissions, mechanical failures, and electrical hazards. These risks can be mitigated through proper risk assessment and mitigation strategies, such as implementing spill containment measures, ensuring proper ventilation in pump rooms, conducting regular equipment inspections and maintenance, and implementing safety protocols for fuel handling, storage, and disposal. Additionally, it’s essential to comply with relevant regulatory requirements and industry standards to minimize risks and ensure the safe operation of diesel fire pump systems.

1. Ability to provide a steady and reliable flow of water: Fire pumps are designed to provide a steady and reliable flow of water to the fire suppression system. This ensures that the fire is extinguished quickly and without any damage to the property.

2. High-Pressure Output: Fire pumps can provide a high-pressure output to ensure that the water is able to reach further distances and at higher pressures than would be achievable by a standard water system. This is important in controlling and extinguishing fires, as it allows the water to reach all areas of the fire.

3. Emergency Operation: Fire pumps are designed to be able to operate in the event of a power outage. This ensures that the fire suppression system can still be operational in the event of a power failure. This is especially important in commercial buildings and other areas where power outages can occur.

4. Automatic Activation: Fire pumps are designed to automatically activate in the event of a fire. This ensures that the fire suppression system can be activated quickly and without any manual intervention. This is especially important in the event of a large fire, as it ensures that the system is already in operation before the fire department arrives.

5. Low Maintenance: Fire pumps are designed to be low maintenance, requiring only regular inspections and maintenance to ensure that they are working correctly. This ensures that the fire suppression system is always ready for use and that it can be relied upon in the event of a fire.

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 jockey pump maintains a constant water pressure, optimizing the performance of the fire suppression system. The DJ Fire Pump Set offers a reliable and efficient solution for prompt response to fire incidents, making it an essential component for protecting property and ensuring occupant safety.

·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

EDJ series fire pump set consists of Electric pump + 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.
Flow Capacity Range:50-5000 GPM
Pressure Range:4-14 Bar
Power Range：4-325 KW

ISW horizontal single-stage single-suction centrifugal pump is to be used for clean water or other liquid with similar physical and
chemical property to clean water. It is suitable for industrial and city water supply and drainage, pressure water supply for high-rises, garden sprinkling, fire fighting booster, distance conveyance, cooling circulation in heating and ventilating system, bathroom and other cool or hot water circulation boosters or accessories, whose operation temperature is below 60C.

EDJ fire pump set producting

The diesel engine fire pump is suitable for unattended emergency water supply systems. The product has the characteristics of good technology, high degree of automation, superior performance, complete protection functions, reasonable structure, simple installation, and high cost performance. pipe network pressure.

Fire pumps are used to pump various liquids. They are ideal pumps and fire protection systems for building non-leakage, pollution-free civilized workshops and civilized factories. They are often installed on fire trucks, fixed fire extinguishing systems or other fire-fighting facilities for transportation Special pumps for liquid extinguishing agents such as water or foam solutions. Fire pumps are widely used in environmental protection, water treatment, fire protection and other departments.

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.

The EDJ fire pump set is tested in the Better factory, and our company’s fire pump set needs to be tested after the assembly is completed to ensure the quality. EDJ fire pump sets are widely used in large public places, factories, firefighting and other occasions.

Safety precautions include de-energizing electrical systems before maintenance, providing proper ventilation in pump rooms, and following lockout/tagout procedures to prevent accidental startup.

The multi-stage fire pump consists of two parts: the motor and the pump, and the motor and the pump are coaxial. The structure of the pump consists of pump body, impeller, pump cover, mechanical seal and so on. The inlet and outlet of the pump are on the same horizontal axis and have the same caliber specification, so the loading and unloading is very convenient, and the floor space is small. The pump is fitted with a base for easy installation and increased pump stability. It is used to transport clear water without solid particles, liquids with physical and chemical properties similar to water. It is mainly used for pressurized water delivery in fire protection system pipelines, and is also suitable for industrial and urban water supply and drainage.

EDJ fire pump package
without suction welding mainfold pipe
have more competitve price and beautiful look
including one electric pump，one diesel pump，one jockey pump ，with accessories and controller，baseframe etc.

The fire booster pump is designed to increase the flow and pressure rate of the water supply coming into the fire system. This is accomplished by drawing water from a municipality main, tank, or hydrant, and then boosting the pressure rate of the water supply with an electric motor and pump. The adjusting of the pressure rate is accomplished by changing the speed of the electric motor that is powering the pump, which in turn changes the amount of water being pushed through the system.

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.

The biggest difference between a diesel engine fire pump and an electric water pump is that it has its own independent power supply system, which ensures the normal operation of the project without power or power supply. Its role is self-evident, and it can be said to be a great helper in fire emergency .
In terms of industrial applications, diesel engine fire pumps are widely used in emergency water supply for large-scale projects such as high-rise buildings, steel plants, chemical plants, hotels, and water works.

The diesel engine fire pump is usually used as a backup facility, so it will only start automatically when the fire signal comes, and when the electric water pump fails or the power supply is cut off. When it has a device for starting the pump at ultra-low pressure, its matching electric water pump control cabinet should also have a device for starting the pump at ultra-low pressure, and the lower limit of the two pumps should have a certain pressure difference.

Diesel engine fire pump can be used in fire water supply in warehouses, docks, airports and other occasions. We usually choose the appropriate diesel engine fire pump model and application according to the head, flow, power, medium properties, and required materials provided by the user. In order to avoid mistakes, the loss caused by the installation environment will be comprehensively considered to ensure stable and reliable efficiency.

Diesel engine fire pump has high efficiency, long operating life and high reliability. It can be used in independent fire water supply systems, and can be used in fire protection and living shared water supply systems. It can also be used in construction, municipal, industrial and mining, water supply and drainage, ships, field operations and other occasions .

Fire pump system is made of Diesel+Jockey pump
1. Diesel engine 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 , with fuel tank, water tank，fan, control box
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

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 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.

Diesel engine fire pump, as a fixed fire extinguishing equipment, has been widely used in fire diversion, especially in the case of no power supply or abnormal power supply and other emergencies, other diesel engines can also be equipped as power engines according to the needs of users.