Small DJ (diesel pump and jockey pump) fire pump set for emergency use

DJ Fire pump package set
Fire pump system is made of Diesel+Jockey pump
The pump model is the OTS series.
Pump: Horizontal split case type pump

There are several types of fire pumps, each designed for specific applications. Two common categories are centrifugal and positive displacement pumps.

Centrifugal pumps are widely used in fire protection systems due to their simplicity and reliability. They work by imparting kinetic energy to the water, which then exits the pump under pressure. These pumps are well-suited for maintaining consistent water pressure for fire suppression.

Positive displacement pumps, on the other hand, use a different mechanism. They trap water in a chamber and then force it into the discharge piping, creating pressure. Positive displacement pumps are typically used in situations where high pressure or low flow is required.

The choice of pump depends on the specific needs of the fire protection system and the facility it serves.

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 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.

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 package set is often quicker to install and is ideal for specific applications, while an integrated fire system can offer more comprehensive fire protection. The best option depends on your facility’s specific requirements, layout, and risk factors.

Fire pump components:
1. Diesel pump: the flow rate is the same as that of the electric pump. It connects pump sets with highly elastic couplings or universal joints.
2. Pipeline supplementary pressure 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.

Diesel engine fire pumps can be divided into self-priming, centrifugal and double-suction types. Self-priming pumps are widely used in urban flood control and emergency rescue. Centrifugal pumps are divided into single-stage centrifugal pumps and multistage centrifugal pumps.

EDJ fire fighting equipment consists of electric pump + diesel pump + jockey pump. Both the electric pump and the diesel pump use a multistage jockey pump with large flow and high lift. The diesel engine can be started without electricity. It is suitable for any fire protection occasion. The company has a professional sales and production team, and the choice of pumps can be customized according to their own needs.

EDJ fire pump has the characteristics of high efficiency, wide performance range, safe and stable operation, low noise, long life, convenient installation and maintenance. For conveying clean water or other liquids similar to water in physical and chemical properties.

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

Yes, various regulations and standards, such as those set forth by organizations like the National Fire Protection Association (NFPA), govern the design, installation, testing, and maintenance of firefighting pumps to ensure their safety and effectiveness. Compliance with these standards is essential for maintaining fire safety standards and regulatory requirements.

50gpm8bar ED fire pump set

two sets 50gpm 8BAR EDJ fire pump after finish product

Better Technology Group Co., Ltd. is a manufacturer specializing in 3CF products such as fire pumps, XBD fire pumps, diesel engine fire pumps, diesel engine water pumps, diesel engine self-priming pumps, fire pump control cabinets, and fire-fighting gas top pressure equipment. Pressure equipment fire water supply equipment, diesel engine fire pump group, submersible fire pump, non-negative pressure water supply equipment, fire water supply equipment, submersible sewage pump, self-priming sewage pump, WQ non-clogging sewage pump, ISG, IRG, IHG, ISGD series Vertical pipeline pump, ISW, ISWD series horizontal centrifugal pump, DL type vertical multistage pump, GDL type detachable pipeline multistage pump, fire pump, LG demountable high-rise building water supply multistage pump, frequency conversion water supply equipment, etc. . Better Technology Group Co., Ltd. is looking forward to your visit!

Fire pumps and jockey pumps work together to ensure that a fire protection system is always ready to operate at peak efficiency. The jockey pump is primarily responsible for maintaining the system’s normal pressure, compensating for minor leaks, and preventing the fire pump from running unnecessarily. When a fire occurs, and a significant drop in pressure is detected due to water discharge from sprinklers or hoses, the fire pump is activated to provide the necessary water flow and pressure. This interaction ensures that the system operates efficiently, minimizing wear and tear on the fire pump while keeping the system primed and ready for an emergency.

Small diesel fire pump system consist of diesel engine, motor pump and jockey pump. It mainly used in warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers, government embassies, military bases, administrative buildings, port commercial buildings, high-rise buildings, hotels, offices, hospitals, correctional institutions, nursing homes, schools and other occasions of a fire service.

Common issues with firefighting pumps include priming failures, leaks, clogs, engine or motor problems, and inadequate water supply. Troubleshooting steps may include checking for obstructions, inspecting hoses and connections, verifying fuel and oil levels, and consulting the pump’s manual for troubleshooting guidance.

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

Horizontal fire pump 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.

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 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.

Electric Fire pump set consists of a main electric pump(driven by electric motor), a multistage jockey pump, control panel and accessories. We provide high quality and competitive price fire pump system. Welcome to inquiry

Maintaining fire pumps and jockey pumps is essential for ensuring their reliable operation in an emergency. Best practices for maintenance include regular inspection and testing of the pumps, checking for leaks, corrosion, and wear on components, and ensuring that all electrical connections and control systems are functioning correctly. It is also important to perform routine flow tests to verify that the pumps can deliver the required water flow and pressure as specified by design standards and regulatory codes. Lubrication of moving parts, replacement of worn-out seals and gaskets, and calibration of pressure sensors and alarms should also be part of a comprehensive maintenance program. Additionally, keeping detailed records of all inspections, tests, and maintenance activities helps track the condition of the pumps over time and identify potential issues before they lead to failure. Regular training for personnel on the operation and maintenance of fire pumps further enhances system reliability and readiness.

1. Inspect and test the fire pump, piping, valves, and relief valves annually for proper operation and water flow.

2. Make sure the fire pump is in good working condition and that all safety systems are in place and operational.

3. Check the fire pump’s pressure gauge and make sure it’s properly calibrated.

4. Inspect the motor, couplings, and belts for proper alignment and condition.

5. Clean the fire pump’s suction and discharge strainers regularly.

6. Ensure that the fire pump is properly lubricated and that all bearings and seals are in good condition.

7. Test the fire pump with a certified flow test annually.

8. Inspect the fire pump’s control panel and make sure it’s in proper working order.

9. Test the fire pump’s jockey pump and make sure it is operational.

10. Check all electrical connections and wiring for proper operation.

– Protection of Sensitive Research: Ensuring fire protection systems do not interfere with sensitive research activities.
– Specialized Fire Suppression Methods: Implementing fire suppression methods suitable for different types of research environments.
– Integration with Lab Safety Protocols: Coordinating with laboratory safety protocols to enhance overall safety.
– Compliance with Research Safety Standards: Adhering to fire safety regulations specific to research laboratories and R&D facilities.

ED Fire pump system is made of Electric pump +Diesel pump
Operation: 1 Duty (electric) + 1 standby (diesel engine)
Capacity: 25, 30, 50, 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.

DJ Fire Pump Set The fire pump set consists of a pump connected to the diesel engine, pressure jockey pump, pressure vessel, controller for manual or automatic operation of the system and standard accessories mounted on the base. The fire pump system can be customized for different uses, such as high-rise buildings, facilities, hospitals, supermarkets, shopping malls, villas, apartments, etc.

An additional protective cover is added to the outdoor fire pump, which can protect against rain, sun, and rust to a certain extent.Heat exchange cooling, low noise，Hydraulic brace，Independent suspension system.Able to deal with harsh environments with good quality assurance

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.

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.

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. Diesel engine fire pumps are selected according to different working conditions: single-stage single-suction centrifugal pumps, high-pressure multi-stage pumps, double-suction split pumps, etc.