Water Pump

DINGQI: Your Professional Hand Tools Manufacturer

Experienced Company We are a company with design, research and development, production, sales, and service. Our products are all kinds of tools. After years of overseas and domestic sales, our company is well known in tool industry. Over the past decades, Dingqi products have covered more than 180 countries. Having 17 countries' agencies.

Reasonable Price You can get our catalog online or visit our factory to see our products. We also provide competitive prices and excellent customer service for all our customers.

Quick and Efficient Response We have set up a dedicated customer service team to provide customer service 24 hours a day, so your after-sales problems can be responded to quickly.

Customizable Product We have a professional research and development department. We can develop tools according to the drawings or samples from our customers and make logos, stickers, and packing. We also can offer customized posters and advertisement videos.

First 12 Last 1/2

What Is Water Pump

A water pump is a machine that is used to transfer water from one location to another. This can be used to transfer water from one place to be used for drinking water or irrigation, or it can be used to remove water from an area to prevent damage. There are many types of water pumps available, and you can choose the best option for your needs.

Features of Water Pump

Versatile Uses

With a high motor speed, our irrigation pump is ideal for circulating water, pressure boosting, and more! Whether you’re using it for garden maintenance, lawn upkeep, or other large-scale needs, this pump will make any project easier.

Powerful Pump

With 220 Volt/50Hz, this water pump is a powerful solution for moving water from place to place. Take control of water transfer and long-running irrigation jobs with ease with this industrial electric water pump.

High Suction Lift

This impressive pump has a maximum total head of 16 ft and a maximum suction lift of 38m. Drastically cut down project time and make any water transfer task more efficient with EZ Travel’s trusted Continuous Water Pump.

Long-Lasting Use

With a thermally protected, continuous duty design, this electric pump is designed to last for years. Requiring little upkeep & boasting a user-friendly design, our transfer pump is the easy, economical tool for you!

Common types of water pumps

There are two main categories of water pumps: centrifugal and positive displacement. Both types contain characteristics that tailor to specific water pumping needs.

Centrifugal Pumps

Centrifugal pumps pump water by rotating an impeller that pushes water through the pump housing. Unlike some positive displacement pumps, centrifugal pumps should never run dry, as they will quickly overheat and damage the pump components and seals. Viscous fluids reduce the efficiency of centrifugal pumps, so they are primarily used to pump relatively clean water and other less viscous fluids. One disadvantage of centrifugal pumps is that they must always be primed. Because they cannot run dry, they must be filled with whatever liquid they will pump before they begin operating. Centrifugal pumps are commonly used in various industrial and home applications, including irrigation systems, chemical plants, oil and gas operations, and food and beverage systems.

Positive Displacement Pumps

Positive displacement pumps are commonly used for pumping high viscosity fluids such as oil, paints, resins, or foodstuffs. They are preferred in any application where accurate dosing or high-pressure output is required. Unlike centrifugal pumps, the output of a positive displacement pump is not affected by pressure so they also tend to be preferred in any situation where the supply is irregular. Most are self-priming.

Type of PD Pump	Application	Features
Piston pump	Water – high-pressure washing; other low viscosity liquids; oil production; paint spraying	Reciprocating action with piston(s) sealed with o-rings
Plunger pump		Reciprocating action with a plunger(s) sealed with packing
Diaphragm pump	Used for metering or dispensing; spraying/cleaning, water treatment; paints, oils; corrosive liquids	Sealless, self-priming, low flows, and capable of high pressures
Gear pump	Pumping high viscosity fluids in petrochemical, chemical, and food industries: oil, paints, foodstuffs	Meshed gears provide the rotary pumping action
Lobe pump	Chemical and food industries; sanitary, pharmaceutical, and biotechnology applications	Low shear and wear. Easy to clean or sterilize
Screw pump	Oil production, fuel transfer, and injection; irrigation	Fluid moves axially reducing turbulence; capable of high flow rates
Vane pump	Low viscosity fluids; automotive transmission systems; fuel loading and transmission; drinks dispensers	Resistant to entrained solids and withstands vane wear. The design allows the variable output

Different Uses of Water Pumps

Water pumps can be used for a variety of different uses

01/

Irrigation Water pumps play a crucial role in agricultural practices as they are used to transport water from rivers, lakes, or wells to agricultural fields, ensuring crops receive an adequate water supply.

02/

Industrial Use Many industries require water for their processes, such as manufacturing, power generation, and mining. Water pumps are used to supply water for cooling, boiler feed, wastewater treatment, and various industrial applications.

03/

Drainage and Flood Control In areas prone to flooding or water accumulation, water pumps are used to remove excess water and prevent damage. They help drain flooded basements, tunnels, construction sites, and other low-lying areas.

04/

Fire Protection Firefighting systems rely on powerful water pumps to deliver water at high pressures for extinguishing fires. These pumps are often found in commercial buildings, residential complexes, and fire trucks.

05/

Wastewater Management Water pumps are used in sewage systems to transport wastewater from residential and industrial areas to treatment plants. They help maintain proper sanitation and prevent the spread of diseases.

06/

Water Treatment Water pumps are utilized in water treatment plants to transport water through various treatment processes, including filtration, disinfection, and chemical dosing. They ensure the efficient operation of water treatment systems.

Main Water Pump Components

1. The Hub or Pulley

A water pump’s pulley is designed to transfer the drive belt’s movement into the bearing spindle. The pulley receives the engine traction and acts as a medium between the two, mediating the amount of torque that goes through. Since the pulley experiences a lot of pressure and force from the drive belt, it has to be made of strong materials. The pulley is usually made of steel, cast iron, or sheet metal. The idea is to produce a strong pulley that is lightweight and durable.

2. Spindle Bearing

This is one of the most important water pump components and comes next in line after the pulley. It receives the turning force from the pulley and transfers it to the next component in line, which is the impeller. The bearing’s design and build quality is the sole factor behind the water pump’s lifespan. The bearing is a set of metal balls that turn and twist to do their job.
There are two types of bearings: roller-ball and ball-ball. The roller ball design allows for more durability and smoother function compared with the other. Therefore, most water pumps have a roller-ball design.

3. Body

The body is the basic structure of the water pump that holds the liquid and where all the transferring takes place. The other components stick to the body to create the water pump that you see with your eyes. Hence, the water pump’s body has to be made of immensely strong materials that can withstand the water pressure produced inside. Water pump bodies are mostly made of lightweight aluminum, but some are built using cast iron. On one end, the body is connected to the pulley, and on the other, it is joined with the car’s cooling system.

4. Seal

Since the bearing is made of metal balls, the risk of corrosion is high. As such, the component needs to be protected from any exposure to liquid. The seal is put in place to protect the bearing from any contamination and to shut the pump tight. If there is any leak, the water pump will not produce sufficient pressure, resulting in failure. Hence, the seal plays an important role in keeping the water pump intact.
We uses the most modern dynamic seals in the market, which ensures long water pump life when it is used with appropriate quality liquid.

5. Impeller

The impeller is a rotor that is used to increase the pressure and flow of liquid inside a water pump. In other words, the impeller is the heart of a water pump, and without it, the entire system can fail. It catches the liquid in its fins and increases its flow by turning. The torque is derived from the pulley and bearings. The effectiveness of a water pump is determined by the impeller’s specifications. You need to keep in mind its diameter and the number of fins it has. Both these parts decide the amount of pressure produced by the pump. Impellers are crafted using plastic, metal or cast iron.

Construction Materials in Water Pump Selection

01.Aluminum

Aluminum is a bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.

02.Brass or Bronzes

Brass or bronzes comes with good strength, excellent high temperature ductility and reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties and low magnetic permeability. Sintered bronze is a porous material, which can be impregnated with oil, graphite or PTFE. Not suitable for heavily loaded applications but useful where lubrication is inconvenient.

03.Cast Iron

Cast iron refers not to a single material, but to a family of materials whose major constituent is iron, with important trace amounts of carbon and silicon. Cast irons are natural composite materials whose properties are determined by their microstructures - the stable and metastable phases formed during solidification or subsequent heat treatment.

04.Plastics

Plastics are any of various organic compounds produced by polymerization, capable of being molded, extruded, cast into various shapes and films, or drawn into filaments used as textile fibers.

05.Stainless Steel

Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings.

Factors to Consider When Choosing a Water Pump

Selecting the right water pump requires careful consideration of several factors to ensure optimal performance and longevity. Here are key factors to keep in mind when making your decision:

Flow Rate and Pressure Requirements

Determining the required flow rate and pressure is essential in selecting a pump that can meet your specific needs. Consider factors such as the number of outlets, desired water volume, and the required pressure at those points.

Pumping Distance and Total Dynamic Head

The pumping distance and total dynamic head refer to the physical characteristics of the system, including the vertical and horizontal distances the water needs to be pumped. These factors impact the pump's ability to deliver water effectively.

Power Source and Electrical Considerations

Consider the availability of power sources and the electrical requirements of the pump. Some pumps may require specific voltage or phase requirements, so it's essential to ensure compatibility with your power supply.

Durability and Longevity

Investing in a durable and reliable water pump is crucial to avoid frequent repairs or replacements. Consider the materials used, construction quality, and reputation of the manufacturer to ensure long-term performance.

Cost and Budget Considerations

While cost is an important factor, it should not be the sole consideration. Assess the overall value and benefits a pump offers in relation to its price, including energy efficiency, warranty coverage, and maintenance requirements.

Maintenance of Water Pumps: Winterize Your Water Pump

Drain and Store

Water pumps in shallow or surface level areas must be winterized for cold weather. Pond and foundation pumps, pool pumps, and irrigation systems must all be drained, and should never be allowed to freeze. In cold weather areas, draining and winterizing an above-ground water system is common sense, but in normally warmer southern states, water pump operators might be more easily caught off guard with a surprise overnight freeze.
When you're dealing with a jet or centrifugal pump that you're not going to use for a few months, draining the system and moving the pump to a warmer location is the best solution.

How to Drain the Pump's System

To drain the pump, remove the drain plug on top of the pump case, or open a faucet. This allows air into the pump body. Then, remove the drain plug on the bottom of the pump case. This allows the water to flow through and out of the pump body. After you've drained the pump, there will still be a bit of remaining water that's stuck in the suction and discharge pipes. Use an air compressor to blow out the excess water.

Running Water

Water will expand as it freezes, and without the space to handle extra volume, the ice will eventually break inside the pump or its piping. In year-round homes, well pumps can often sit idle for long enough that water may freeze solid. If temperatures drop and remain very cold for an extended period of time, allowing a small amount of water to run continuously through above-ground water systems, plumbing, or pump equipment until temperatures rise again can prevent freezing while potentially saving you thousands of dollars in future maintenance or repairs.

Final Steps

To completely protect your water pump against any water that might remain inside the casing even after draining, you'll want to fill the pump body with food-grade polypropylene glycol. Make sure to never use ethylene glycol (or RV anti-freeze) in your water pump as it is extremely dangerous. Insert the bottom drain plug, pour in the propylene glycol through the top port, and reinsert the top drain plug.

Our Certifications

map.jpg (1186×789)

Frequently Asked Questions about Water Pump

Q: What is a water pump?

A: A water pump is used to transport water from one location to another. To suck water in so that it can be expelled, a pump must be able to rapidly alter pressure within a system. How a water pump achieves this pressure change is what allows certain pumps to be more beneficial to certain applications than others. Various mechanisms and movements are used to pump fluid through a system. Some pumps, for example, use reciprocating movement of a diaphragm to alter the pressure on either side of the pump. Others use rotational movement to seal off certain sections of the pump chamber, thus altering the pressure inside. While all water pumps move water, they are needed for many different reasons. For example, a boat must use a water pump to rid the hull of water when it builds up. A water booster pump, on the other hand, is used to increase water pressure inside a home. Regardless of the application of a water pump, the goal is the same: to move water from point A to point B.

Q: How do water pumps work?

A: Water pumps are a type of impulse turbine that works using a spinning wheel to convert potential energy from pressure into kinetic energy. The water is pumped from a lower elevation to a storage area, where it is collected until it is needed. The water is then released from the storage area at a higher elevation, allowing the water to travel to its desired location.

Q: What are the applications of water pumps?

A: 1) Submersible pumps are the most common type of water pump. These pumps are installed below the surface of a body of water, usually an irrigation pond or a water well.
2) Above-ground pumps, on the other hand, are installed above the water. These pumps are designed to lift water from below the surface of a body of water, such as a lake or stream. They are usually not as powerful as submersible pumps but can be useful for smaller jobs.
3) Centrifugal pumps use a rotating impeller to draw water from below the surface of a body of water. These are commonly used in municipal water systems to pump water to homes. They are also often used to pump water from below the surface of a well.

Q: What are the body materials of pumps?

A: The pump body materials of centrifugal pumps are commonly cast iron, stainless steel, cast steel, bronze, composite materials, carbon structural steel, alloy steel and non-metallic materials.

Q: What does a water pump consist of?

A: Pumps typically consist of three main parts: a housing, an impeller, and a motor. The housing is the pump's mainframe, which supports the impeller and contains the pumped fluid. The impeller is a rotating set of blades that helps move the fluid through the pump.

Q: How to check the water pumps?

A: Spotting an issue early is one of the best methods of trouble shooting and preventing pump breakdown. Most of the things to look out for should be easily visible, these include:
1)Leaks - Check the pump and pipework for any leaks that need to be dealt with, as they will result in reduced performance and loss of pump output as well as mess. Common leaking points are from the stuffing box or the mechanical seals. Mechanical seals are a wearing part and need to be routinely replaced.
2)Unusual noise - One of the first signs of a problem with your pump is noise. Like anything with a motor, a consistent hum when the pump is running is quite normal. However, abnormally loud noises or a clunking or crunching sound is likely to indicate an issue e.g. worn bearings. A popping sound, particularly if it is near the impeller, could mean the pump is experiencing cavitation which can cause a lot of damage.
3)Extreme vibration - A properly installed, well working pump should not overly vibrate, and therefore any level of vibration deemed excessive should be investigated. Common causes include impeller imbalance, damage and misalignment of the pump and motor.
4)Corrosion - Rusting, cracking or discoloration of the pump casing or pipework need to be acted on immediately as these are all signs of corrosion. Corrosion can not only result in pump failure through a weakening of the casing and components, but also contamination of the fluid being pumped.
5)Overheating - The pump, motor or bearings getting really hot is not something that should be ignored as it always indicates some form of problem.
Some explanations may be internal rubbing/wearing of parts, that the wrong power has been put into the pump, the pump has been running against a dead head or that it has been running at a duty it cannot efficiently maintain.
6)Clogging - The presence of solids can result in the clogging of impellers or valves if the pump is not capable of handling the size of the solids that have attempted to pass through. You will usually notice clogging quite quickly as the pump will not be delivery the same quantities of fluid.

Q: How often do water pumps need to be serviced?

A: Just like any other system in your house, regular water pump maintenance is the key to preventing inconvenient and costly problems. Your pump should receive an annual maintenance checkup to ensure all parts are working properly.

Q: What is the typical lifespan of a water pump

A: A properly installed water pump has an average lifespan of 10 to 20 years. However, it's not uncommon for professionals to deal with pumps over 30 years old. Different factors affect the pump's longevity, such as usage, motor type, installation quality, and maintenance levels.

Q: Is electric water pump better than manual?

A: Electric water pumps are more efficient and can save up to 10 horsepower over manual ones. They have a longer lifespan, meaning they don't need to be replaced as frequently, saving you money in the long run. Electric water pumps deliver superior performance and can increase horsepower and torque.

Q: How does a water pump work in a house?

A: Water pumps are used to extract water from a personal well and move it into a storage tank, where it can then be used to provide running water throughout a home. Generally, pumps are set to push water into the reserve tank until the air pressure in the tank reaches a preset level.

As one of the most professional water pump suppliers in China, we're featured by good service and low price. Please rest assured to wholesale high quality water pump in stock here from our factory. Contact us for more details. Hammer rubber handle, concrete drill bits for hammer drill, heavy duty hand grinder

Products