How do you size a fire pump for a specific building or facility?

ISW series horizontal centrifugal pump is a new generation of energy saving,environment friendly verticalcentrifugal pump researched and developed by our company,whichabsorbs advanced technology of similar products abroad and adoptsdomestic general performance parameters of centrifugal pumps.

ISG vertical single-stage single-suction centrifugal pump
1.Suction pressure≤1.0Mpa, or maximum operation pressure
of pump system≤1.6Mpa, that is, pressure in suction nozzle+pump
lift≤1.6Mpa. If operation pressure of pump system is higher than
1.6Mpa, it should be indicated in order, so that we can use more
reasonable material for flow and connecting parts in pump.
2. Ambient temperature＜40℃ ＜ , relative humidity 95%.
3. In the conveyed medium, solid particles should be less than
0.1% in unit volume, and granularity＜0.2mm.

Middle open pump (middle open cycle), also known as single-stage double suction centrifugal pump, is mainly characterized by large flow of conveying medium.

Operating principle of the split pump: the impeller is installed in the pump shell and fastened on the pump shaft, which is directly driven by the motor. The center of the pump housing is connected with a liquid suction pipe. The liquid enters the pump through the bottom valve and the suction pipe. The liquid discharge port on the pump casing is connected with the discharge pipe. When the speed of the pump is constant, its head and flow are related to the impeller diameter.

Flow：250-10000 GPM
Head：3-16 Bar
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.

The air conditioning circulation pump, also known as a chilled water pump, is a vital component of air conditioning systems used for circulating refrigerant or chilled water. It plays a crucial role in heat exchange and temperature regulation. The pump consists of an electric motor, pump body, impeller, sealing device, and control system. It enables the circulation of the refrigerant or chilled water to absorb or release heat, thereby achieving the desired cooling effect and regulating indoor temperatures. Key features of air conditioning pumps include high efficiency, control and automation capabilities, and diverse options to suit different system requirements. The selection of an appropriate air conditioning pump should consider specific system needs, flow rates, head pressures, and mediums.

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. Choose the long shaft pump for reliable and efficient fluid handling in your engineering projects.

The characteristics of stainless steel are characterized by corrosion resistance and rust resistance. Long -term underwater work iron products will soon be rusted and cause damage to the body. Stainless steel is an ideal material.

The split-case structure allows for easy maintenance, and its wide pump range ensures compatibility with different operating conditions. The OTS pump finds application in water supply, cooling systems, industrial processes, and fire protection systems, providing reliable performance for handling different liquid media.

The Vertical Single stage fire pump is specifically designed for fixed fire protection systems in a wide range of settings, including businesses, construction projects, and high-rise buildings. It is a vital component in fire hydrant extinguishing systems, automatic sprinkler fire suppression systems, and more.

multistage pump part waiting for patinting

Flow：50-7500 GPM
Head：3-20 Bar 40-300 psi
Power：11-1000 kw
Caliber：50-400 mm
Frequency：50 or 60 Hz

The submersible axial-flow pump is a special type of submersible pump designed for handling large flow rates with relatively low head conditions. It has a wide range of applications, including agricultural irrigation, urban water supply and drainage, municipal flood control and emergency rescue, as well as various water conservancy projects.The main feature of the submersible axial flow pump lies in its innovative design, enabling efficient operation under high flow rate conditions. Compared to conventional submersible pumps, it operates at relatively lower head conditions, making it more suitable for transporting water over long distances with moderate elevation changes.

ISO end-suction pumps offer high efficiency, high flow capacities, and the ability to withstand high pressures. The suction inlet is designed to efficiently intake fluids, while the pump itself is constructed to be compact, making it suitable for installation and maintenance in limited spaces.They also provide multiple material options to accommodate different fluid mediums, including corrosive and high-temperature substances. ISO end-suction pumps find wide application in industries such as chemical, petroleum, pharmaceutical, food and beverage, and water treatment, where they are used for fluid transportation, circulation systems, heating, and cooling systems, among others. In conclusion, ISO end-suction pumps are reliable and efficient industrial pumps that meet global standards, making them suitable for various industries and applications.

The vertical turbine pump is a vertical pump composed of single or multiple centrifugal or mixed-flow impellers, guide casing, riser pipe, transmission shaft, pump base, motor and other components. The pump base and the motor are located on the upper part of the wellhead (or pool), and the power of the motor is transmitted to the impeller shaft through the transmission shaft concentric with the water pipe, driving the impeller to generate flow and lift.

ISO series centrifugal pump is a single-stage single-suction centrifugal pump developed by China Better Technology Co., Ltd. with reference to international similar products using modern fluid mechanics to meet the international standard ISO9908 secondary energy efficiency standard.

The XBD-L Vertical Single stage single suction fire pump is specifically designed for fixed fire protection systems in a wide range of settings, including businesses, construction projects, and high-rise buildings. It is a vital component in fire hydrant extinguishing systems, automatic sprinkler fire suppression systems, and more. This pump set is capable of delivering clear water and water-like media with physical and chemical properties similar to water, without solid particles, at temperatures below 100°C. It is also suitable for fire protection, domestic water supply, shared water supply systems, as well as building and municipal water supply and drainage applications.

Flow：50-5000 GPM
Head：30-160 m 3-16 Bar 40-232 psi
ISO end-suction pumps offer high efficiency, high flow capacities, and the ability to withstand high pressures. The suction inlet is designed to efficiently intake fluids, while the pump itself is constructed to be compact, making it suitable for installation and maintenance in limited spaces.They also provide multiple material options to accommodate different fluid mediums, including corrosive and high-temperature substances. ISO end-suction pumps find wide application in industries such as chemical, petroleum, pharmaceutical, food and beverage, and water treatment, where they are used for fluid transportation, circulation systems, heating, and cooling systems, among others.

Flow：50-5000 GPM
Head：3-16 Bar
The XA single-stage centrifugal pump is a widely used industrial pump designed for fluid transportation and handling in various industries. It features a simple and compact design with a rotating impeller and a stationary pump casing. The pump offers high efficiency, reliability, and flexibility in installation. It finds applications in water treatment, agriculture, construction, petrochemicals, energy, pharmaceuticals, and food processing.

Flow：500 GPM
Head：9 bar
ISO end-suction pumps find wide application in industries such as chemical, petroleum, pharmaceutical, food and beverage, and water treatment, where they are used for fluid transportation, circulation systems, heating, and cooling systems, among others.

The video shows electric fire pump that bare shaft pump is XA series. XA series single-stage centrifugal pump is the earliest single-stage single-suction centrifugal pump product launched by Better (China)Technology Co., Ltd. This product combines the advantages of similar products in China and abroad, and is designed with excellent hydraulic model. Therefore, its excellent hydraulic performance and structural characteristics ensure that users can effectively reduce the operation cost of pumps in various applications.

The horizontal pipeline pump is a horizontally arranged pumping device used for conveying liquids or gases. It consists of an electric motor, pump body, impeller, and sealing device. Compared to vertical pipeline pumps, the horizontal pipeline pump offers advantages such as a smaller space requirement, convenient maintenance, stable operation, and wide applicability. Its horizontal layout helps reduce axial and radial loads, thereby enhancing the pump’s stability and operational efficiency. The horizontal pipeline pump is suitable for conveying various liquids or gases and can be selected based on specific process requirements and medium characteristics. It is recommended to consult with professional engineers or pump suppliers when purchasing and using a horizontal pipeline pump to ensure the selection of suitable equipment.

D-type horizontal, single-suction multi-stage, segmented centrifugal pump has the characteristics of high efficiency, wide performance range, safe and stable operation, low noise, long life, convenient installation and maintenance, etc. For conveying clean water or other liquids with physical and chemical properties similar to water. It can also be used to transport hot water, oil, corrosive or abrasive media by changing the material of the pump flow parts, the sealing form and increasing the cooling system

Flow：50-5000 GPM
Head：3-16 Bar
ISO end-suction pumps offer high efficiency, high flow capacities, and the ability to withstand high pressures. The suction inlet is designed to efficiently intake fluids, while the pump itself is constructed to be compact, making it suitable for installation and maintenance in limited spaces.They also provide multiple material options to accommodate different fluid mediums, including corrosive and high-temperature substances. ISO end-suction pumps find wide application in industries such as chemical, petroleum, pharmaceutical, food and beverage, and water treatment, where they are used for fluid transportation, circulation systems, heating, and cooling systems, among others.

Horizontal fire pumps have significant advantages such as high efficiency, low operating noise, good anti-cavitation performance, reasonable structure, and long service life. , Long-distance water delivery, heating, bathroom, boiler cold and warm water cycle pressurization, air conditioning and refrigeration system water delivery and equipment matching and other occasions.

The single-suction pump sucks in horizontally and axially, and spit out radially upwards. The pump is a suspension structure, and the rotor parts can be withdrawn for maintenance without disassembling the inlet and outlet pipelines during maintenance. The pump is connected with the motor through a common elastic coupling or an extended elastic coupling, and the shaft seal of the pump is sealed with a soft packing. The bearing is a single row radial ball bearing, lubricated with lubricating oil. From the motor side, the pump rotates clockwise.

Self-priming pump is a kind of self-priming centrifugal pump, which has the advantages of convenient operation, stable operation, easy maintenance, compact structure, long service life, high efficiency and strong self-priming ability. It does not need to install a bottom valve in the pipeline, as long as there is a quantitative suction liquid stored in the pump body before working, and different liquids can use self-priming pumps of different materials.

Series OTS pumps are single stage,double suction with horizontally split casings .They are suitable pumping unsettled water, clean water ,non-drinkable or hydrocarbon at a temperature not exceeded 105C¡£
Series OTS pumps are available for capacities Of 69-000m3/hr and heads of 70-200m.They are adoptable in water works irrigation and drainage pumping stations,fire fighting systems, marine applications as well as refinery industry,etc. ?

There are many classification methods for fire pumps, which can be divided into sprinkler pumps, fire hydrant pumps, stabilized pumps, etc. according to their uses.

Flow：250-10000 GPM
Head：30-160 m 3-16 Bar 40-232 psi
Power：11-1000 kw
Caliber：25-500 mm
Frequency：50 or 60 Hz
Working Pressure：≤2.5 MPa
The split-case structure allows for easy maintenance, and its wide pump range ensures compatibility with different operating conditions. The OTS pump finds application in water supply, cooling systems, industrial processes, and fire protection systems, providing reliable performance for handling different liquid media.

Vertical turbine electric pump are better used for city, factory dirty water and water containing great sand in river and sea, widely used in factories and mines, city and countries, petrolatum filed, plant and irrigation on farmland.