How end suction fire pump works?

1. In the rural areas is mainly used as feces, mud and water, feed slurry pumping and pouring, instead of shoulder, and for flood, drought resistance, mud manure production can also simple flow fire pump in countryside.
2. Used in municipal engineering, chemical industry, printing and dyeing, pharmaceutical, shipbuilding, foundry, food and other industry suction thick liquid, dirty liquid, paste , flow sand and urban river flow sludge etc. can also be used in coal mines exclude fluid containing small mud gravel.
3. If with high pressure pump and water gun, the composition of hydraulic mechanized earthmoving machine, available in the formation of land, river and pond dredging, drilling and other small-scale water conservancy projects of excavation and transportation, and urban air defense engineering, underground engineering.
4. Fish used as a water pond, fish pond oxygen etc..

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

Product Overview
Product Introduction of ISG, ISW single-stage single-centrifugal pump
ISG series vertical single-stage single-suction centrifugal pump is a new generation of energy saving, environment friendly vertical 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. In addition, according to different operation temperatures and mediums, we developed the hot-water pump (IRG), corrosion-resistant chemical pump (IHG) and oil pump (YG). This pump enjoys excellent performance, good reliability, long operation life, reasonable construction and nice appearance, which is outstanding in the industry.

It can be seen from the working process of the surge tank that if there is no surge tank, because water is an incompressible fluid, a slight change in the amount of water will lead to changes in pressure accumulation. Therefore, whether it is a box-type variable frequency constant pressure water supply equipment or a non-negative pressure water supply equipment, the pressure stabilizer tank is essential.

The SXBWP Non-Negative Pressure Frequency-conversion Water Supply Equipment offers a comprehensive solution for addressing low water pressure challenges in various settings. Designed to cater to areas with inadequate municipal water pressure, as well as residential complexes, office buildings, hotels, schools, and industrial enterprises, this equipment ensures a stable secondary pressurized water supply. With features such as non-negative pressure generation, water and energy conservation, prevention of secondary pollution, and convenient installation, the SXBWP equipment delivers reliable water pressure enhancement while promoting efficient water usage and minimizing environmental impact.

The variable frequency air pressure water supply equipment is a kind of water supply equipment. It uses the pressure change of the compressed air in the closed tank to adjust and pressurize the water supply. It mainly plays the role of boosting and water volume adjustment in the water supply system. Frequency conversion air pressure water supply equipment. It is a common pressurized and stabilized equipment, including air pressure water tanks, jockey pumps and some accessories.

This fire pumps are multifunctional products, which can be used for conveying diversified mediums such as running water and industrial liquids. They are applicable to different temperature ranges, flow ranges, and pressure ranges. The Vertical Multistage Pumps are applied to noncorrosive liquids, and this type pumps are applied to slightly corrosive liquids.

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.

XA Bare Shaft Pump under painting
XA100/32,XA100/20,XA100/26

High-efficiency submersible motors are designed for deep-well pumps, fire pumps, and continuous operation. They feature IP68 protection, low noise, high starting torque, and long-life bearings. They support variable frequency control and intelligent management, providing stable and reliable power output, enabling safe and efficient operation of municipal water supply, agricultural irrigation, and fire water supply systems.

The diesel engine irrigation pump can adapt to various harsh irrigation environments. It has simple structure, light weight and convenient movement. Without on-site installation, it can be directly put into use. With high-pressure design, the irrigation range is large and the effect is good. The company is committed to developing the best irrigation pump to allow customers in all regions to solve farmland irrigation problems.

The star connection-delta connection utilizes the two connection methods of the motor to achieve the purpose of step-down starting, reduce the starting current, and reduce the impact of excessive current on the power grid. Simply put, the stator is connected in star at the start of the motor and then switched to delta connection after starting, which is the starting method of star-delta buck start.

This fire protection pressure stabilization unit features a high-quality vertical pressure tank paired with a stainless steel multistage pump set, equipped with precision pressure control sensors and valve systems. It is designed to provide continuous and stable backup pressure to fire protection pipelines, ensuring immediate water availability for sprinklers and hydrants before the main pump activates.

With a compact footprint and easy installation, this unit suits high-rise buildings, industrial complexes, and underground facilities. Built in compliance with international fire safety standards, it is ideal for applications requiring pressure boosting, stabilization, and system standby support.

The air conditioning pump is a pump designed for sewage. The air-conditioning pump is suitable for the drainage of the polluted condensate with a large specific gravity, and can be used for the drainage of high-temperature and weakly acidic condensate (temperature -46~95℃), and can be used in air-conditioning systems and refrigeration equipment.

WQ (QW、WQK ) series submersible sewage pump applicable to transport containing solids and fiber of sewage or clean water.

Quzhou Better Explosion Proof Motor CO.,LTD (Better Ex-proof)is the only onemanufacturer with explosion-proof motors national production license,explosionproof certificate in the West Region of Zhejiang.Created in 2004,mainly producesthree-phase asynchronous motors (Y,Y2,YX3,YE3),as well as special motorsYPT,flameproof three-phase asynchronous motor (YB,YB2,YB3,YBXn),alsoproduces submersible three-phase asynchronous motor YQ.Our company is nowdeveloping a dust explosion-proof three-phase asynchronous motors YFB and soon.Better Ex-proof also customize some non-standard motors for enterprises,forexample,long axis,polygon axis,and stainless steel shaft motors.The annuaoutput is r than 60000 sets.It is well sold around China and long exporteto Russia,alia,America,Canada,New Zealand,South Africa,Mideast.

Discover how to select the right vertical fire pump for your project, with insights on structure, performance, installation, and UL/FM/CE certifications for reliable fire safety.

The pump consists of these assemblies, that is the crooking assembly and the column pipe assembly below ground and the drive device above ground.

It is composed of pressure water tank, control cabinet, top pressure gas storage system, decompression release device and other basic components; In the condition of fire fighting, the compressed gas is filled into the pressure water tank to replace the fire fighting water in the tank, and always maintain the rated working pressure of fire fighting, and the fixed fire water supply equipment for the fire fighting pipe network.

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.

Submersible sewage pump is a submersible sewage pump, especially suitable for conveying liquids containing hard solids, fibers and especially dirty, sticky, slippery liquids.

The equipment CONSISTS of frequency conversion control cabinet, no negative pressure device, automatic control system and remote monitoring system, water pump unit, voltage regulator compensator, negative pressure eliminator, pressure sensor, valve, instrument and piping system.

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.

The domestic water supply equipment system is equipped with storage tanks and other water storage facilities, which saves the floor area and reduces the construction load, thereby saving a large amount of civil engineering investment costs. The intelligent and automatic operation of the equipment does not require a special person to be on duty, which saves management costs, and there is no water quality treatment instrument, which eliminates the need for regular cleaning and disinfection; the loss of system dripping, leakage, and overflow is reduced.

Product Introduction of
ZX series self-suction pump is an energy saving pump designed with ISO international standard and developed through absorbing and improving the r elated technical data both at home and abroad and belongs to the self-suction centrifugal pump and uses the mechanical seal of a ceramic ring so as to resist any sandy liquid to go into the sealing face, preventing it from getting scratched. This pump holds the advantages of a compact structure, easy operation, stable movement, easy maintenance, high efficiency, long duration and strong self-suction capacity and, as no foot valve is needed to be mounted on the pipeline and only a certain amount of leading liquid is required to be filled into the pump before work, improves the work condition while simplifying the pipeline system.

The impeller plays a pivotal role in the overall performance of any fire pump system. Our impellers are manufactured using advanced precision casting technology, resulting in a more compact, balanced, and defect-free structure. This significantly improves both operational stability and hydraulic efficiency. Each impeller undergoes dynamic balancing and features outstanding wear and corrosion resistance, making it ideal for demanding and continuous firefighting applications. Its optimized geometry enhances fluid dynamics, delivering greater head and flow. With this precision-cast impeller, your fire pump system will deliver faster response and higher reliability when it matters most—ensuring safe and uninterrupted water supply in emergency situations.

Submersible pump is an important equipment for deep well water extraction. During use, the whole unit works in the water to extract groundwater to the surface, which is used for domestic water, mine rescue, industrial cooling, farmland irrigation, sea water lifting, ship load regulation, and fountain landscape.

The ZWX box-type non-negative pressure water supply equipment is a pressurized water system designed to address inadequate municipal water pressure in critical settings such as hospitals and hotels, where water cannot be shut off. It also serves as an ideal solution for meeting the domestic water needs of high-rise buildings and, specifically, fulfilling the water requirements of schools. This equipment ensures a continuous water supply, even during maintenance or emergency situations, effectively resolving the challenges posed by low water pressure. With its efficient pressurized water supply and advanced control technology, the ZWX equipment offers stable water pressure and flow rates, catering to the diverse demands of different settings.

Regular maintenance includes checking the foam concentrate levels, inspecting and testing the proportioning system, cleaning the components, and ensuring that all seals and connections are intact.

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