What is the role of jockey pumps in a fire pump system?

Simplifies piping design
Single source unit responsibility
A complete package that will meet NFPA20 requirements
Packaged systems are performance and hydrostatically factory tested at an IS09001 certified manufacturing facility prior to shipment.
No material lost due to on-site material handling
Improves the speed of construction and reduces on-site installation time
Only external suction, discharge and power connection are required on-site
State of the art engineering design

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.

Problem one lower water or no water
1, electric pump reversal will lead to the pump doesn’t produce water.
2, the pump can’t normal water into the same can’t be water, check whether the water bay or check stopcock is blocked or stuck, pumping pipe if there’s a leak will also affect the water into the water.
3, the pump internal corridor of the wear and tear or connection out, check the pump and motor coupling wear and tear, loose and impeller is worn.

Problem two ：
1 、 Check the power force as described over, including connectors, switches, fuses,etc.
2. Check whether the impeller in the pump is jammed by foreign objects
3. A burnt motor will also affect the launch of the pump.

Problem three the water affair is big for a while and small for a while
1. still, the lack of depth down the well may beget this problem, If the pump is a submersible pump.
2. The inflow rate of the pump is too high and needs to be replaced with a suitable pump.

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.

answer:
1. The raceways of the inner and outer rings are peeled off, cracked or severely worn.
2. The rolling body is out of round or the surface is peeled off, with cracks.
3. The cage is seriously deformed or worn, and the rolling elements cannot be fixed.
4. There is vibration or noise when turning, and there is reverse reversal or braking when stopping.
5. The fit clearance of the bearing exceeds the maximum value of the specified clearance.

·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.

Extreme temperatures, humidity, and corrosive environments can impact fire pump performance. Proper housing, insulation, and corrosion-resistant materials are necessary to protect pumps and ensure reliable operation.

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.

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.

Fire Hydrant and Fire Sprinkler System 38lps, 60m
Fire Fighting Pump Set
Fire Fighting Pump with Electric Motor, diesel engine and jockey pump , 200L pressure vessel

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 main reason to have a fire pump is to work with the fire protection system in case the water supply does not have sufficient pressure. High structures or large warehouses that carry large amounts of water require the help of a fire pump. It increases the pressure of the water flowing into the fire suppression system, allowing the system to release the maximum amount of water while extinguishing the fire.

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.

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

It’s a customized EJ fire pump set consisting of electric pump, jockey pump along with control panel, and accessories. It is equipped with priming tank for doing negative suction.

Electric fire pumps are driven by electric motors, and are divided into horizontal, vertical and many other structural varieties. The electric fire pump set has a small footprint, light weight, low noise, and good start-up and operation performance. Although electric fire pumps have the advantages of simple operation and maintenance, most fire protection system design specifications stipulate that when electric fire pumps are used, they should have the conditions for dual-circuit power supply, and diesel engine fire pumps are usually used as backup pumps.

The ED Dual-Power Fire Pump System combines electric and diesel engine pumps to ensure uninterrupted fire protection and a reliable water supply. In the event of power outages or electrical failures, the diesel engine pump seamlessly takes over, guaranteeing continuous operation of the fire protection system. This dual-power configuration offers both reliability and flexibility, providing comprehensive coverage for fire safety needs. With smart controls and automatic switching mechanisms, the transition between electric and diesel engine pumps is seamless, minimizing system downtime. Equipped with advanced safety features, including monitoring and alarm systems, real-time status updates allow for prompt action in case of any irregularities.

Diesel engine fire pump sets are used in fire hydrant fire extinguishing systems and automatic sprinkler fire extinguishing systems in fixed fire extinguishing systems of enterprises, institutions, engineering construction, high-rise buildings, etc. It can transport clear water below 90 °C without solid particles and has similar physical and chemical properties. The water-based medium can also be used for fire protection, domestic and production shared water supply systems and construction, municipal water supply and drainage, etc.

Yes, various national and local codes and standards, such as NFPA 20 (Standard for the Installation of Stationary Pumps for Fire Protection), provide guidelines for the installation, operation, and maintenance of fire pumps.

Now the general diesel engine fire pump set is powered by imported or domestic Cummins, Wuxi Power Engine Factory and other diesel engines produced by large-scale key enterprises in the internal combustion engine industry at home and abroad, through highly elastic couplings or diaphragm couplings produced by professional manufacturers. The engine is directly connected with the water pump, and the power of the diesel engine can reach 880KW. It can be equipped with water pumps of different lifts and flow rates for customers to choose and use according to different needs.

Electric motor fire pumps are used in various water environments, not only to meet the general water supply but also to be a good helper for fire water. The electric motor fire pump is manufactured with good structure and workmanship. It has a wide range of performance, and is easy to use and operate for a long time. The motor fire pump is aimed at various fire water environments, so the selection should also be based on the actual demand environment, performance parameters, etc.

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.

The fire pumps used in the complete set of diesel engine fire pumps can be the IS series single-stage type, the S series new single-stage two-stage type, and the D-type series segmental multi-stage type produced by our company. The diesel engine water pumps used in this series of equipment are made of domestic or imported high-quality products. They have the characteristics of good starting characteristics, strong overload capacity, compact structure, convenient maintenance, simple use, and high degree of automation. They are advanced and reliable fire-fighting equipment.

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. Types of pumps used for fire service include: End Suction Pump,  Split Case Pump, Vertical Inline Pump and Vertical Turbine Pump.

1. Electric motor driven pump, can use single stage pump, horizontal split case pump, end suction pump,multistage pump.
2.Diesel engine pump, with capacity and head equal to electric pump, with fuel tank, water tank, fan,control box.
3. Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pump.
4. Control panel: Auto Control of electric pump, diesel engine pump and Jockey Pump with overload, over current protection.

Whether you are part of a fire department, an industrial facility, a construction site, or a rural area, the EDJ Diesel Engine Fire Pump System is an indispensable firefighting asset. Count on the EDJ Fire Pump System to provide reliable support and swift containment of fires!

Water supply reliability is paramount for the effective operation of fire pumps. This article explores the significance of a consistent and adequate water source, such as municipal water mains, dedicated fire service water tanks, or reservoirs. It highlights the measures required to ensure water supply reliability and the potential consequences of water source inadequacy.

The first step is to design a comprehensive and comprehensive fire protection system for the premises. This system should include automatic fire sprinklers, water-based fire suppression systems, fire alarms, smoke detectors and fire extinguishers. The fire protection system should be designed and installed according to the local building codes and fire regulations.

The next step is to install a pressurized and stabilized water supply system. This system should be designed and installed according to local regulations, as well as the needs of the premises. The system should include a main water supply line, a storage tank, and a pump system to ensure adequate pressure and flow.

Finally, the fire protection system should be regularly inspected and maintained. This includes regular testing of the fire sprinklers, smoke detectors, alarms and fire extinguishers. Any maintenance and repairs should be done by a qualified technician.

This is a set of 400gpm@90psi fire pump set, which consists of electric pump + diesel pump + jockey pump. Multiple fire pumps work together to ensure the quantity and stability of water supply. It is a pump set for fire water supply. A diesel fire pump to ensure normal operation in emergency situations.

The electric fire pump set is a fire pump powered by an electric motor, and generally consists of a set of fire pumps, electric motors, control cabinets and auxiliary devices. Because the electric motor fire pump set is composed of these parts, it forms a powerful fire protection and power effect, and provides a strong water source support for various fire hydrant systems and sprinkler systems in the building.