Fire pump impeller characteristics

Fire pumps can be powered by various sources, including electricity, diesel engines, and, in some cases, natural gas. The selection of a power source depends on factors such as reliability, availability, and the specific requirements of the facility.

Electric fire pumps are commonly used in urban areas with a stable power supply. They are efficient and can start automatically in response to a fire alarm signal. In contrast, diesel-powered fire pumps are reliable in areas with inconsistent power availability, as they can function independently. The choice of power source should align with the facility’s operational conditions and the need for uninterrupted fire protection.

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.

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. Elevate your fire safety standards with this powerful solution and gain peace of mind knowing that your property and lives are protected. Choose the Outdoor Fire Pump Set and experience the ultimate fire protection solution.

Installing fire pumps requires careful planning and adherence to specific precautions to ensure proper functionality and compliance with safety standards. Here are some important precautions to consider during the installation process:

Compliance with Codes and Standards: Familiarize yourself with local fire codes, regulations, and industry standards applicable to fire pump installations. Ensure that the installation meets the requirements of organizations such as the National Fire Protection Association (NFPA) and local authorities having jurisdiction (AHJs).

Professional Installation: Fire pump installations should be carried out by qualified professionals experienced in fire protection systems. Engage licensed contractors or fire protection engineers who specialize in fire pump installations. They possess the necessary knowledge and expertise to ensure a correct and safe installation.

Proper Location: Choose an appropriate location for the fire pump installation. Consider factors such as accessibility, proximity to water sources, electrical connections, and suitable drainage. The location should allow for easy maintenance and serviceability. Follow the manufacturer’s guidelines regarding clearance requirements and proximity to other equipment.

By following these precautions, you can ensure a safe and effective installation of a fire pump system. Proper installation is critical for the system’s performance, compliance with regulations, and the overall safety of the facility and its occupants. Consult with fire protection professionals and refer to relevant codes and standards throughout the installation process.

Jockey pumps are smaller pumps that maintain pressure in the fire protection system between tests and activations. They prevent pressure loss in the system and ensure that the fire pump doesn’t start unnecessarily. Jockey pumps are crucial for system reliability.

Advancements in firefighting pump technology focus on improving efficiency, reliability, and safety. Some emerging trends include the development of more compact and lightweight pumps, integration of smart monitoring and control systems, and the use of alternative fuels for powering pumps, such as hydrogen or electric batteries.

·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

It depends on the type of fire pump and the specific design of the system. Generally speaking, most fire pumps should be set to automatic mode in order to ensure that they operate when needed. However, in some cases, manual mode may be more appropriate and necessary.

1. Application Scope
Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service.
2. Using Instruction
Altitude ≤ 1000m;
Ambient temperature: +5 °C ~ +40 °C;
Relative humidity: <= 90%.

1. Electric Motor Fire Pumps
2. Diesel Engine Fire Pumps
3. Portable Fire Pumps
4. Turbine Fire Pumps
5. Horizontal Split Case Fire Pumps
6. Vertical In-Line Fire Pumps
7. Vertical Turbine Fire Pumps
8. Jockey Fire Pumps

Instructions for use of fire pump set:
Altitude: ¡Ü 1000m;
Ambient temperature: +5 ¡ãC ~ +40 ¡ãC;
Relative humidity: <= 90%. Scope of application of fire pump set: Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service.

This is a set of EDJ fire pump set, which consists of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the joceky 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.

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.

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.

– Renewable Energy Integration: Utilizing renewable energy sources, such as solar or wind, to power fire pump systems.
– Real-Time Data Sharing with Smart Grid: Enabling real-time data sharing with smart grid infrastructure for enhanced fire protection.
– Automated Control and Optimization: Using smart grid technology for automated control and optimization of fire pump operations.
– Compliance with Renewable Energy Standards: Adhering to fire safety regulations and standards for smart grid and renewable energy systems.

Instructions for use:
Altitude≤1000m;
Ambient temperature: +5℃～+40℃;
Relative humidity: <= 90%. Scope of application of fire pump set: Equipment suitable for fire protection occasions such as warehouses, docks, airports, petrochemicals, power plants, liquefied gas, textiles, ships, oil tankers, etc.

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 mainly composed of diesel engine, fire pump, coupling, fuel tank, radiator, battery pack, intelligent automatic control panel, etc. The company’s products are designed and optimized by computer. Our company has strong technical force, rich production experience and perfect testing methods to ensure the stability and reliability of product quality. The diesel engine fire pump adopts international advanced technology, sliding bearing, plate-fin air cooler, upper heat exchanger, spin-on oil filter and dual cooling system. The smoke and noise indicators reach the national high-quality product, and the fuel consumption is lower than the national standard high-quality product of 2.1g/kW.h.

The diesel engine fire pump has the advantages of long head and wide application range, and can meet the fire water supply in multiple places such as warehouses, docks, airports, power plants, liquefied gas stations, and petrochemical industries. This type of diesel engine fire pump set has good starting performance, compact structure, humanized design, convenient maintenance, simple and convenient use, and high degree of automation. It is a very good fire pump.

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.

·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 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.

The national standard name of the diesel engine fire pump is “engineering diesel engine fire pump set”, and the national standard model is XBC-QYW/XBC-QYS where L is the lift value and Q is the flow value. XBC diesel engine fire pump set is the latest according to the national standard GB6245-2006 “fire pump performance requirements and test methods”. This series of products has a wide range of lift and flow, and 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.

·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

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.

This series of diesel fire-fighting pump sets has a wide range of head and flow, which can fully meet the fire-fighting water supply in various occasions of warehouses, docks, airports, petrochemicals, power plants, liquefied gas stations, textiles and other industrial and mining enterprises.

·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

Schedule regular inspections: Weekly or monthly as per NFPA requirements.
Lubricate moving parts: Prevent wear and tear on bearings and seals.
Clean strainers and filters: Avoid clogs that reduce pump efficiency.
Check alignment and coupling: Misalignment can cause operational issues.
Test automatic start functions: Verify system responsiveness during emergencies.

The double-suction fire pump has the characteristics of high lift and large flow, and is widely used in fire fighting. The impeller of this pump type is actually a combination of two back-to-back impellers, and the water flow from the impellers merges into a volute. The double-suction pump has the following characteristics: it is equivalent to two single-suction impellers of the same diameter working at the same time, and the flow rate can be doubled under the same outer diameter of the impeller; the pump casing is horizontally opened, which is convenient for inspection and maintenance. The inlet and outlet of the suction pump are in the same direction and perpendicular to the pump shaft, which is conducive to the arrangement and installation of the pump and the inlet and outlet pipes; the impeller structure of the double suction pump is symmetrical, there is no axial force, and the operation is relatively stable.

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.