What’s multistage fire pump?

Widely used in water supply and drainage of industry and city, pressurized water supply of high-rise buildings, irrigation of gardens, fire-fighting pressurization and relevant equipments. This series have many advantages, such as wide range of performance parameters, convenient installation, little vibration, low noise, high efficiency, long service life and so on, very popular with users.

Fuel tank specifications：200L/400L/600L/800L/1000L/1200L/1500L/1800L/2100L/2500L/3100L/3600L/4100L/4500L
The diesel fire pump system serves as a backup power solution, utilizing a diesel engine to provide power and ensure the fire pump’s reliable operation during electrical outages. The associated fuel tank is a crucial component for storing diesel fuel and providing a continuous supply to the diesel engine, ensuring a sustained water flow during fire incidents.

High efficiency, flat performance curve, wide operating range, in line with the relevant regulations of the fire department, and can meet the needs of different users
Adopt segmented structure, stable operation, low noise, long service life, small footprint, easy installation and maintenance

The pump shell has two types of axial and radial sections. The shell of most single stage pump is volute type, the radial division shell of multistage pump is generally annular shell or circular shell.

Specifications
1. for life, fire
2. Production sharing water
3. Low noise, good reliability
4. Reasonable construction
Application
Industrial and civil construction fixed fire protection system（fire hydrant extinguishment system, automatic spray extinguishment system, water spray extinguishment system）water supply, especially suitable for water supply of high-rise buildings, and also use for water supplying of fire-fighting and life in construction, industry and mining, boiler water supply, etc.

The ZWG non-negative pressure water supply equipment is a pressurized water system designed to address low or unstable municipal water pressure in areas with insufficient water supply. This equipment ensures a stable and reliable water supply, particularly suited for high-rise residential buildings and schools. By effectively boosting water pressure, it offers continuous and stable water flow, meeting the domestic water needs of residents and students. The ZWG equipment’s energy-efficient design and advanced control systems contribute to reduced energy consumption, making it an environmentally friendly choice. Overall, the ZWG non-negative pressure water supply equipment is a reliable and essential solution for ensuring a consistent water supply in areas facing water pressure challenges, providing enhanced water pressure and flow to meet the demands of various settings, including high-rise residential buildings and educational institutions.

The long shaft pump is a high-performance engineering pump known for its unique long shaft design and exceptional capabilities. It offers advantages such as suitability for deep-buried pump stations, improved transmission efficiency, and reduced energy consumption. With excellent corrosion resistance and reliability, it can handle various fluids in diverse environments. The long shaft pump provides flexibility through customization options and multiple driving choices. It is a reliable solution for water supply, sewage treatment, and chemical processes.

Oil-water separation device is a device that separates oil and water. The oil-water separation device is one of the important environmental protection facilities in the sewage treatment plant. Its function is to improve the biodegradability of sewage and reduce the energy consumption and treatment cost of sewage treatment.

Fuel tank specifications：200L/400L/600L/800L/1000L/1200L/1500L/1800L/2100L/2500L/3100L/3600L/4100L/4500L

For end suction pumps and since water is entering one side of the impeller, and due to the design of “Impeller overhung”, these pumps cannot be used for large water flow applications and usually not exceeding 1500 gpm of flow.

1、 Star delta startup mode
2、 Auto coupling step-down startup mode
3、 Soft start mode
4、 Direct start mode

Fuel tank specifications：200L/400L/600L/800L/1000L/1200L/1500L/1800L/2100L/2500L/3100L/3600L/4100L/4500L

Centrifugal pump is designed according to the principle of centrifugal force. The high-speed rotating impeller blade drives the water to rotate and the water is thrown out, so as to achieve the purpose of transportation

The pump seal of the booster pump adopts a mechanical seal, which has the characteristics of reliable sealing and no leakage. It is usually used for water supply equipment for pressurizing the end of the fire network.
1. The diaphragm tank can be inflated for a long time and used for a long time, which can prevent water pollution.
Second, the equipment occupies a small area and saves investment, and it runs automatically.
Three, fault protection, fault automatic switching.

Municipal – flood control and irrigation, drought relief, manhole drainage, sewage sludge drainage, emergency repair drainage, no power supply and drainage.

Military – field water supply system, island freshwater collection system.

Agriculture – irrigation and drainage systems, cofferdam pumping, alternative stormwater pumping stations, temporary water transfer, areas without fixed pumping stations and without electricity.

The box-type non-negative pressure water supply equipment can be directly linked to the water supply network to ensure that the water supply network does not generate negative pressure. The pressurized water in the closed tank at peak time can compensate for the shortage of water supply in the water supply network and meet the needs of users.

Foam tank systems typically include the foam tank itself, foam concentrate, foam proportioning equipment, pumps, piping, and discharge devices such as foam nozzles or monitors.

The double-blade impeller structure is adopted, which greatly improves the passing capacity of dirt.
The mechanical seal adopts a new type of grinding pair, and runs in the oil chamber for a long time;
The overall structure is compact, the volume is small, the noise is low, the energy saving effect is remarkable, the maintenance is convenient, and the user is convenient to replace;
Can be used within the design range without overloading the motor;

1. High-rise constant pressure water supply, firefighting, sprinkler water supply for high-rise buildings such as residences, hotels, office buildings, etc. .
2. Hot and cold water circulation, pressurization
3. Pressure vessel water supply, hot water circulation, high-rise building water supply, farmland irrigation, fire pressurization, water conservancy flushing, food, brewing, medicine, chemical industry, aquaculture, environmental protection, chemical process, etc.

The pump is a single stage single suction vertical centrifugal pump, the main components are volute, impeller, pump seat, pump shell, support cylinder, motor seat, motor and other components. Volute, pump seat, motor seat, impeller nut is cast iron, corrosion resistance, corrosion resistance is good, convenient processing technology.

No blockage vertical sewage pump, including a pump body, base, filter plate and double cutting edge, the inlet of the pump body is provided with a base, the base is provided with a horizontal filter plate, the filter plate is provided with a plurality of annular filter holes;

The box-type non-negative pressure water supply equipment can be directly linked to the water supply network to ensure that the water supply network does not generate negative pressure. The pressurized water in the closed tank at peak time can compensate for the shortage of water supply in the water supply network and meet the needs of users.

The Portable Irrigation Pump is a portable and user-friendly tool used primarily by farmers and gardening enthusiasts for small-scale irrigation in fields, vegetable gardens, and flower beds. With its manual operation, this pump requires no external power source, making it suitable for remote areas lacking electricity or other energy supplies. Comprising a handle and a suction pipe, users can easily draw water from the source through reciprocating motion, delivering it efficiently to the roots of crops or plants for effective irrigation. Being both economical and eco-friendly, the Portable Irrigation Pump offers a reliable and convenient solution, particularly in areas with limited resources and where other irrigation equipment may not be available.

Applitions:
Water works: Water intake/Water supply/Booster
Industrial use: Water intake/Water supply/Booster/Circulation/
Drainage/Chemical/Re-finery/Firefighting/Sea water desalination
Agricultural use: Irrigation and Drainage

NL type sewage slurry pump is mainly used in rural areas to suck, convey and sprinkle river mud, manure, river water and slurry feed. , but also guaranteed for the simple flow of rural fire pumps.

The fire control cabinet is mainly used to control the important executive device of the fire pump. The fire hydrant pump control cabinet and the fire sprinkler control cabinet are collectively called the fire control cabinet. When the fire hydrant pump (spray pump) control cabinet receives the fire hydrant signal, it will press Indicates to start or stop the fire water pump.

Hygienic and clean to use, high efficiency, low noise, mild corrosion resistance and compact structure, beautiful appearance, small size, light weight, convenient use and maintenance, reliable sealing performance

Accuracy: Provides a precise mixture of foam concentrate and water.
Reliability: Consistent performance in various firefighting conditions.
Ease of Use: Simple to operate and maintain.
Compatibility: Works with different types of foam concentrates and water supplies.

The integrated prefabricated pumping station is the lifting equipment for lifting sewage, rainwater, drinking water and waste water.

The high-efficiency non-clogging submerged sewage pump is a new generation of pump products successfully developed on the basis of the introduction of foreign advanced technology and combined with the use characteristics of domestic water pumps. Features. It has a unique effect in discharging solid particles and long-fiber waste.