5 Things to Know Before Buying mission centrifugal pump

Author: Polly

Jul. 15, 2024

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Five Things to Know Before Buying a Pump

As a pump supplier with over 45 years of industry experience, we understand that customers often have questions and uncertainties when it comes to purchasing a pump. In order t o help you make an informed decision, we've broken down the key information you need to know into five categories: fluid, flow, discharge, suction, and options. Our blog will provide you with a set of questions to consider, as well as helpful links to expand your knowledge on these topics.

If you want to learn more, please visit our website.

Fluid

 

- What you are pumping (water, oil, slurry, etc.)
  • What is the 

    specific gravity

     

    and

     

    viscosity

     

    of your fluid?

  • Are chemicals present? What are the names and concentrations?
  • Are there solids? What is the particle size, percentage of fluid that are solids, & are they smooth or sharp?
  • What is its temperature? (Ambient is 20°C)

Flow - The rate you want to transfer the fluid at.

  • Are you decanting, dosing or transferring?
  • Are chemicals present? What are the names and concentrations?
Discharge ' The line from pump to discharge point.
  • What will the vertical and horizontal lengths be?
  • Have you taken 

    friction loss

     

    into account? (Pipe type,

     

    viscosity

    , etc. affect this)

  • Are you dosing or transferring into a pressured pipe, if so what is the pressure? Or is it 

    open free flow

    ?

Suction ' The line from source to pump.

  • What's the length of the suction line?

  • ?

    Will you need a self-priming pump

  • Are you pumping from a dam/well or is it flooded suction

Options ' Preferences and accessories.

  • Identify your preferred power source and check stability (240v, 415v, 50/60 Hz, mining/industrial, diesel, petrol, air, etc.)

  • Check to see if you'll require

     

    base plates

    , trollies for transportation,

     

    variable speed

    , etc.


 



Definitions (For more pump terms see our Glossary of Pump Terms)

Base plate: The plate on which the pump and motor are mounted.

Decanting: Gradually pumping from one container into another.

Dosing: A controlled method of pumping in order to discharge exact amount of fluids.

Flooded suction: If the pump is below the liquid source, and the suction is fed by gravity. This is a preferred method for centrifugal pumps.

Fluid: A state of material that continually deforms under an applied shear stress. Gas, liquid and plasma are examples.

Friction loss (pump): Friction between the pump and the process fluid results in loss of pressure. Different parts of the pump are more susceptible to this force than others.

Friction loss (pipe): The force produced as the process fluid flows through the pipes of a system. Caused by movement of the fluid internally as one fluid layer moves against another. Also caused by movement of the fluid against the pipe wall. Rougher pipes will lead to higher friction.

Open free flow: When the discharge pipe or hose is fully open at the end with no restrictions.

Self-priming pump: A pump that contains a reserve amount of process fluid that helps to create an initial vacuum and lift fluid from the source.

Specific Gravity (SG): The ratio of the density of a substance compared to the density of a reference (usually water at 4°C).

Suction line: The suction line of a pump system is piping which transports fluid material from its source to the pump itself.

Transferring: To move a substance, usually a liquid, from one place to another.

Variable speed motor: Can be used to control flow in the system by varying the impeller speed.

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Viscosity: Resistance to gradual deformation of a fluid by shear or tensile stress.

5 Things to Know Before Buying mission centrifugal pump parts

Variable speed motor : Can be used to control flow in the system by varying the impeller speed.

Suction line : The suction line of a pump system is piping which transports fluid material from its source to the pump itself.

Specific Gravity (SG) : The ratio of the density of a substance compared to the density of a reference (usually water at 4°C).

Self-priming pump : A pump that contains a reserve amount of process fluid that helps to create an initial vacuum and lift fluid from the source.

Open free flow : When the discharge pipe or hose is fully open at the end with no restrictions.

Friction loss (pipe) : The force produced as the process fluid flows through the pipes of a system. Caused by movement of the fluid internally as one fluid layer moves against another. Also caused by movement of the fluid against the pipe wall. Rougher pipes will lead to higher friction.

Friction loss (pump) : Friction between the pump and the process fluid results in loss of pressure. Different parts of the pump are more susceptible to this force than others.

Flooded suction : If the pump is below the liquid source, and the suction is fed by gravity. This is a preferred method for centrifugal pumps.

Are you dosing or transferring into a pressured pipe, if so what is the pressure? Or is it

As a pump supplier with over 45 years of industry experience, we understand that customers often have questions and uncertainties when it comes to purchasing a pump. In order t o help you make an informed decision, we've broken down the key information you need to know into five categories: fluid, flow, discharge, suction, and options. Our blog will provide you with a set of questions to consider, as well as helpful links to expand your knowledge on these topics.

Pumps are essential industrial equipment as they play a pivotal role in pushing liquids or gases from one location to another. Therefore, it is crucial to understand the basics of pump design to ensure that they can operate effectively and efficiently.

Pumps typically consist of three main parts: a housing, an impeller, and a motor. The housing is the pumps 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. And finally, the motor provides the power needed to rotate the impeller and create suction.

Importance of Right Pump Design

It is important to note that there are many different types of pumps, and each one is designed to accomplish a particular task. For example, centrifugal pumps move fluids by accelerating the fluid rapidly through a tube that narrows in diameter at some point along its length. In contrast, positive displacement pumps move fluids using a mechanism that physically traps and transports the fluid as it passes from one place to another.

Following are the significant advantages of getting the pump design right

1. Designing a well-functioning pump can save you time and money in the long run.
2. A well-designed pump can minimize downtime and increase productivity.
3. A good pump design can improve the efficiency of your operations, leading to lower energy costs.
4. Proper pump design can help reduce wear and tear on the pump parts, extending their lifespan.
5. Getting the pump design right can create a safer work environment by reducing the risk of accidents and injuries.

What are the Different Parts of Pump Design

While many factors influence how well a pump performs, the construction of its components is perhaps the most important. Understanding these basic principles can help you ensure that your pumps operate effectively and efficiently for years to come.

1. Impeller
The impeller is the most important and central part of pump design. It is responsible for producing the pumping action that moves water or other fluids through the system. The impellers shape, size, and design determine how well a pump will perform.

 


2. Shaft

The shaft is another important pump part, as it transmits power from the motor to the moving parts inside the pump housing. Most pumps have either a simple straight shaft or an offset shaft in one form or another to optimize performance.

 


3. Casing

The casing houses all of the internal components of a pump and forms its outermost shell. Casing designs vary depending on whether they are dry-pit pumps or submersible pumps, but both types should be designed for optimal functionality and performance.

 


4. Sealing

The seal is a vital part of any pump design because it helps protect the internal components from damage or overheating by preventing water from entering the shaft housing area. Different seals are used based on the pump design and the pump application.



5. Bearings

The bearings are important pump parts that allow the rotating shaft to turn smoothly while transferring power to other moving parts within the system. Modern pumps typically use either ball bearings or roller bearings, which vary in their durability, efficiency, and other properties.

 

6. Couplings
The coupling serves as an intermediary between the motor and pump shaft, allowing them to rotate together without slipping or producing too much vibration or noise. Couplings are usually made from plastic, rubber, or metal and come in various shapes and sizes, depending on their application.

 

7. Suction Nozzle
The suction nozzle is what draws water into the pump housing so that it can be pressurized and moved through the system. Most nozzles have a specific shape to optimize flow rate, efficiency, and other performance characteristics, but they are also highly customizable for different applications. Getting the design of the nozzle is important to ensure that the pump serves its application in the right way.

 

8. Discharge Nozzle
The discharge nozzle is responsible for controlling the direction and velocity of the pressurized water being pumped out of the system, which directly affects how much force will be applied to whatever needs to be moved by the pump. Therefore, specific pump design details should be considered when selecting a nozzle type for a particular application.

 


9. Check Valve
An important pump part, the Check Valve, is a special one-wave valve that stops water or other fluid from flowing back into the pump housing after discharge. This is an important safety feature that protects the pump from damage and ensures that it continues to operate correctly.

 


10. Strainer
The strainer is a device that helps remove solid particles from the water or the fluid before they can enter and damage the pump components. It is typically located near the pumps inlet so that water must pass through it before entering the system. The size and quality of the strainer play an essential role as it guards the pump.

These are just a few essential pump parts that make up a typical pump design. We need to acknowledge that pumps are complex machines with many moving parts. The auxiliary pump parts include the inlet and outlet check valves, the recirculation valve, the priming valve, and the pressure relief valve. These parts are essential for ensuring that the pump operates properly and efficiently. It is vital to ensure that these pump parts are always in good working condition to rely on your pump for years to come.

Pump Design

Pump Design

The company is the world's best mission centrifugal pump parts supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Five Things to Know Before Buying a Pump

As a pump supplier with over 45 years of industry experience, we understand that customers often have questions and uncertainties when it comes to purchasing a pump. In order t o help you make an informed decision, we've broken down the key information you need to know into five categories: fluid, flow, discharge, suction, and options. Our blog will provide you with a set of questions to consider, as well as helpful links to expand your knowledge on these topics.

Fluid

 

- What you are pumping (water, oil, slurry, etc.)
  • What is the 

    specific gravity

     

    and

     

    viscosity

     

    of your fluid?

  • Are chemicals present? What are the names and concentrations?
  • Are there solids? What is the particle size, percentage of fluid that are solids, & are they smooth or sharp?
  • What is its temperature? (Ambient is 20°C)

Flow - The rate you want to transfer the fluid at.

  • Are you decanting, dosing or transferring?
  • Are chemicals present? What are the names and concentrations?
Discharge ' The line from pump to discharge point.
  • What will the vertical and horizontal lengths be?
  • Have you taken 

    friction loss

     

    into account? (Pipe type,

     

    viscosity

    , etc. affect this)

  • Are you dosing or transferring into a pressured pipe, if so what is the pressure? Or is it 

    open free flow

    ?

Suction ' The line from source to pump.

  • What's the length of the suction line?

  • ?

    Will you need a self-priming pump

  • Are you pumping from a dam/well or is it flooded suction

Options ' Preferences and accessories.

  • Identify your preferred power source and check stability (240v, 415v, 50/60 Hz, mining/industrial, diesel, petrol, air, etc.)

  • Check to see if you'll require

     

    base plates

    , trollies for transportation,

     

    variable speed

    , etc.


 



Definitions (For more pump terms see our Glossary of Pump Terms)

Base plate: The plate on which the pump and motor are mounted.

Decanting: Gradually pumping from one container into another.

Dosing: A controlled method of pumping in order to discharge exact amount of fluids.

Flooded suction: If the pump is below the liquid source, and the suction is fed by gravity. This is a preferred method for centrifugal pumps.

Fluid: A state of material that continually deforms under an applied shear stress. Gas, liquid and plasma are examples.

Friction loss (pump): Friction between the pump and the process fluid results in loss of pressure. Different parts of the pump are more susceptible to this force than others.

Friction loss (pipe): The force produced as the process fluid flows through the pipes of a system. Caused by movement of the fluid internally as one fluid layer moves against another. Also caused by movement of the fluid against the pipe wall. Rougher pipes will lead to higher friction.

Open free flow: When the discharge pipe or hose is fully open at the end with no restrictions.

Self-priming pump: A pump that contains a reserve amount of process fluid that helps to create an initial vacuum and lift fluid from the source.

Specific Gravity (SG): The ratio of the density of a substance compared to the density of a reference (usually water at 4°C).

Suction line: The suction line of a pump system is piping which transports fluid material from its source to the pump itself.

Transferring: To move a substance, usually a liquid, from one place to another.

Variable speed motor: Can be used to control flow in the system by varying the impeller speed.

Viscosity: Resistance to gradual deformation of a fluid by shear or tensile stress.

5 Things to Know Before Buying mission centrifugal pump parts

Variable speed motor : Can be used to control flow in the system by varying the impeller speed.

Suction line : The suction line of a pump system is piping which transports fluid material from its source to the pump itself.

Specific Gravity (SG) : The ratio of the density of a substance compared to the density of a reference (usually water at 4°C).

Self-priming pump : A pump that contains a reserve amount of process fluid that helps to create an initial vacuum and lift fluid from the source.

Open free flow : When the discharge pipe or hose is fully open at the end with no restrictions.

Friction loss (pipe) : The force produced as the process fluid flows through the pipes of a system. Caused by movement of the fluid internally as one fluid layer moves against another. Also caused by movement of the fluid against the pipe wall. Rougher pipes will lead to higher friction.

Friction loss (pump) : Friction between the pump and the process fluid results in loss of pressure. Different parts of the pump are more susceptible to this force than others.

Flooded suction : If the pump is below the liquid source, and the suction is fed by gravity. This is a preferred method for centrifugal pumps.

Are you dosing or transferring into a pressured pipe, if so what is the pressure? Or is it

As a pump supplier with over 45 years of industry experience, we understand that customers often have questions and uncertainties when it comes to purchasing a pump. In order t o help you make an informed decision, we've broken down the key information you need to know into five categories: fluid, flow, discharge, suction, and options. Our blog will provide you with a set of questions to consider, as well as helpful links to expand your knowledge on these topics.

Pumps are essential industrial equipment as they play a pivotal role in pushing liquids or gases from one location to another. Therefore, it is crucial to understand the basics of pump design to ensure that they can operate effectively and efficiently.

Pumps typically consist of three main parts: a housing, an impeller, and a motor. The housing is the pumps 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. And finally, the motor provides the power needed to rotate the impeller and create suction.

Importance of Right Pump Design

It is important to note that there are many different types of pumps, and each one is designed to accomplish a particular task. For example, centrifugal pumps move fluids by accelerating the fluid rapidly through a tube that narrows in diameter at some point along its length. In contrast, positive displacement pumps move fluids using a mechanism that physically traps and transports the fluid as it passes from one place to another.

Following are the significant advantages of getting the pump design right

1. Designing a well-functioning pump can save you time and money in the long run.
2. A well-designed pump can minimize downtime and increase productivity.
3. A good pump design can improve the efficiency of your operations, leading to lower energy costs.
4. Proper pump design can help reduce wear and tear on the pump parts, extending their lifespan.
5. Getting the pump design right can create a safer work environment by reducing the risk of accidents and injuries.

What are the Different Parts of Pump Design

While many factors influence how well a pump performs, the construction of its components is perhaps the most important. Understanding these basic principles can help you ensure that your pumps operate effectively and efficiently for years to come.

1. Impeller
The impeller is the most important and central part of pump design. It is responsible for producing the pumping action that moves water or other fluids through the system. The impellers shape, size, and design determine how well a pump will perform.

 


2. Shaft

The shaft is another important pump part, as it transmits power from the motor to the moving parts inside the pump housing. Most pumps have either a simple straight shaft or an offset shaft in one form or another to optimize performance.

 


3. Casing

The casing houses all of the internal components of a pump and forms its outermost shell. Casing designs vary depending on whether they are dry-pit pumps or submersible pumps, but both types should be designed for optimal functionality and performance.

 


4. Sealing

The seal is a vital part of any pump design because it helps protect the internal components from damage or overheating by preventing water from entering the shaft housing area. Different seals are used based on the pump design and the pump application.



5. Bearings

The bearings are important pump parts that allow the rotating shaft to turn smoothly while transferring power to other moving parts within the system. Modern pumps typically use either ball bearings or roller bearings, which vary in their durability, efficiency, and other properties.

 

6. Couplings
The coupling serves as an intermediary between the motor and pump shaft, allowing them to rotate together without slipping or producing too much vibration or noise. Couplings are usually made from plastic, rubber, or metal and come in various shapes and sizes, depending on their application.

 

7. Suction Nozzle
The suction nozzle is what draws water into the pump housing so that it can be pressurized and moved through the system. Most nozzles have a specific shape to optimize flow rate, efficiency, and other performance characteristics, but they are also highly customizable for different applications. Getting the design of the nozzle is important to ensure that the pump serves its application in the right way.

 

8. Discharge Nozzle
The discharge nozzle is responsible for controlling the direction and velocity of the pressurized water being pumped out of the system, which directly affects how much force will be applied to whatever needs to be moved by the pump. Therefore, specific pump design details should be considered when selecting a nozzle type for a particular application.

 


9. Check Valve
An important pump part, the Check Valve, is a special one-wave valve that stops water or other fluid from flowing back into the pump housing after discharge. This is an important safety feature that protects the pump from damage and ensures that it continues to operate correctly.

 


10. Strainer
The strainer is a device that helps remove solid particles from the water or the fluid before they can enter and damage the pump components. It is typically located near the pumps inlet so that water must pass through it before entering the system. The size and quality of the strainer play an essential role as it guards the pump.

These are just a few essential pump parts that make up a typical pump design. We need to acknowledge that pumps are complex machines with many moving parts. The auxiliary pump parts include the inlet and outlet check valves, the recirculation valve, the priming valve, and the pressure relief valve. These parts are essential for ensuring that the pump operates properly and efficiently. It is vital to ensure that these pump parts are always in good working condition to rely on your pump for years to come.

Pump Design

Pump Design

The company is the world's best mission centrifugal pump parts supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

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