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Your Professional Surface Pump Supplier

 

For nearly 30 years, Dafu has been focusing on technical research, production manufacturing, and market promotion of various pumps and motors, committed to becoming a pioneer in changing traditional water flow. In order to implement the strategy of developing the enterprise through science and technology, we have implemented modern production and management modes of the industry, conducted equipment renovation and process improvement continuously to improve product quality and production efficiency, and promote the comprehensive quality management to establish and improve the quality management system gradually for stabilizing and improving product quality, so as to provide customers with high quality products and thorough service.

 

Why Choose Us

Professional R&D Team

We have an excellent technology research and development team and type test laboratory of the industry nationwide , also has set up the Shangrao Enterprise Technology Centre and applied for more than 30 patents, which provides a reliable guarantee for product technology and core competitiveness enhancement of the company.

Quality Assurance

The company has passed ISO9001 quality management system certification, as well as other related product certificates such as CE, GS, EMC, ROHS, etc.

 

 

Rich Experience

We have 36 years experience sine our establishment in 1988,we are professional in producing and selling water pumps.Meeting the requirements of the product design and process, providing strict testing data.

 

Production Equipment

We have equipped with the most advanced CNC processing equipment for casting, CNC precision automatic lathe for shaft, UAS patent automatic machine for casting aluminum in rotor, automatic winding machine and other kinds of processing equipment at home and abroad.Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

 

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Advantages of Surface Pump
 
 
 

Easy maintenance and accessibility

Surface pumps are located above the water source, making them easily accessible for maintenance and repairs. This accessibility simplifies the inspection, cleaning, and servicing of the pump, reducing downtime and ensuring optimal performance.

 
 

Safer operation

Surface pumps are inherently safer to operate, as they are not submerged in the water source. This reduces the risk of electrical hazards and makes them a suitable choice for areas with high water tables or flood-prone regions.

 
 

Handling dirty water

One of the key advantages of surface pumps is that they are better equipped to handle water with higher levels of sediment, debris, or contaminants, as the pump mechanism is not directly exposed to the water source. This makes them a reliable choice for applications where water quality May be a concern.

 
 

Exposure to elements

One of the advantages of surface pumps is that they are less susceptible to damage from environmental factors, such as flooding or submersion, as they are not permanently installed in the water source. This can be particularly beneficial in areas with unpredictable weather conditions.

 

 

Types of Surface Pump
 

Stainless Steel Jet Pumps
Stainless steel jet pump is a mechanical device that utilizes a certain amount of water pressure to generate a high speed water flow through a nozzle, creating a negative pressure that allows for the extraction and pressurization of liquids.

 

Self-Priming Peripheral Pumps
A self-priming peripheral pumps is a special type of centrifugal pump designed to operate even when it's first started up in a dry state, without the need for external priming or filling of the pump casing with fluid.

 

Peripheral Booster Pump
A peripheral booster pump is a type of pump that is widely used in various industries due to its efficiency and effectiveness. It works by using centrifugal force to spin the liquid outwards through a rotor, creating a vacuum to suck in the liquid and achieve continuous suction and discharge.

Cast Iron Peripheral Pumps

 

Peripheral Vane Pump

Peripheral Magnetic Drive Pumps
Peripheral magnetic drive pumps are a type of pump widely used in various industries for fluid handling applications. These pumps are designed to move fluids by converting rotational kinetic energy from a motor into hydrodynamic energy. Unlike traditional pumps, peripheral magnetic drive pumps operate without any seals or shafts, making them highly efficient and reliable.

 

Cast Iron Peripheral Pumps
Cast iron peripheral pump are widely used in various industrial and commercial applications.It's made of sturdy cast iron and includes a stainless steel mechanical seal as well as a brass impeller with radical peripheral blades,these special anti-rust treatment for cast iron pump body and support can extended service life.

 

Permanent Magnet Circulating Pumps
Permanentt magnet cirulating pumps maily used for single-family villas,towmhouses,concentrated residences,small commuities,schools,small hotels,inns,small office buildings and other household and small commercial water supply and pressurizartion.

 

Differences Between Surface Pumps & Submersible Pumps
Peripheral Booster Pump
Peripheral Vane Pump
Intelligent Peripheral Pumps
Cast Iron Centrifugal Pumps

Surface pumps and submersible pumps are two types of pumps used to move fluids from one place to another. While both types of pumps serve the same basic purpose, there are several differences between the two.

 

Surface pumps are pumps that are installed on the surface, or above ground, and are used to draw water from a well or other water source. They are often used in residential and commercial applications, such as irrigation, water supply, and fire protection systems. Surface pumps come in a variety of types, including centrifugal pumps, jet pumps, and positive displacement pumps.

 

On the other hand, submersible pumps are pumps that are designed to be completely submerged in water or other fluids. They are typically used in applications such as groundwater supply, drainage, and sewage pumping. Submersible pumps are often more efficient than surface pumps because they do not have to work as hard to lift water from the source. They also have the advantage of being less noisy than surface pumps.

 

One of the main differences between surface pumps and submersible pumps is the way they are installed. Surface pumps are typically installed above ground, while submersible pumps are installed below ground, often in a well or borehole. Submersible pumps are designed to operate while completely submerged in water, while surface pumps draw water up from a well or other source.

 

Another key difference between the two types of pumps is their maintenance requirements. Surface pumps are generally easier to maintain and repair because they are easily accessible. They can be repaired without the need for specialized tools or equipment.

 

Submersible pumps, on the other hand, require specialized equipment and training to maintain and repair. The pump and motor are sealed together, and removing the pump from the well can be a difficult and time-consuming process.

 

When it comes to energy efficiency, submersible pumps are generally more efficient than surface pumps. This is because submersible pumps operate with the entire unit submerged in the water, which reduces the amount of energy needed to lift the water to the surface. Surface pumps have to work harder to lift water from the source, which can result in higher energy costs.

 

Surface Pump Installation Requirements
 

Identify Water Source Characteristics

Before choosing a surface pump, assess the water source's depth, quality, and flow rate. Understanding these factors will help in selecting a pump with the appropriate capacity and capabilities.

Consider Pump Types

Surface pumps come in various types, including centrifugal pumps, jet pumps, and diaphragm pumps. Each type has specific applications, so choose the one that aligns with your requirements.

Evaluate Power Sources

Surface pumps can be powered by electricity, gasoline, or solar energy. Consider the availability of power sources in your location and choose accordingly.

Site Preparation

Ensure the installation site is free from debris, has a stable foundation, and is easily accessible for maintenance. Adequate space around the pump is essential for proper ventilation.

Pump Placement

Install the pump at a location that optimizes its efficiency. Place it close to the water source to minimize suction lift, and ensure proper alignment to reduce strain on the pump.

Electrical Connections

If using an electric surface pump, hire a qualified electrician to make the electrical connections. Follow local electrical codes and guidelines to ensure safety and compliance.

 

FAQ

 

Q: What is the function of surface pump?

A: Surface centrifugal pumps work in the same way as submersible centrifugal pumps, generating centrifugal force to propel the liquid through a rotating impeller and into a discharge pipe. However, unlike submersible pumps, these pumps are not immersed in the liquid, making them easier to maintain and repair.

Q: Which is better surface pump or submersible pump?

A: Submersible pumps are the best choice in the majority of applications, but many industrial or hygienic applications may require a surface mounted pump – such as for regular access for cleaning.

Q: What are the main components of a surface pump?

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.

Q: What is the suction head of a surface pump?

A: Suction head exists when the source of supply is above the centerline of the pump. Thus the static suction head is the vertical distance in feet from the centerline of the pump to the free level of the liquid to be pumped.

Q: How do you calculate surface pump head?

A: The head is usually the maximum height that the pump can lift, and is indicated by H. The most commonly used pump head calculation formula is H = (p2-p1) / ρg + (c2-c1) / 2g + z2-z1.

We're professional surface pump manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade surface pump from our factory.

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