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8 Factors You Need to Consider When Investing Chemical Processing Pump


Chemical processing industries rely heavily on a wide range of equipment to handle and transport various chemicals safely and efficiently. Among the most critical pieces of equipment in these industries are chemical processing pumps, which play a vital role in transferring, mixing, and managing various chemicals throughout the production process.

Choosing the right chemical processing pump is a crucial decision that can impact not only the efficiency of your operations but also the safety of your personnel and the environment.

In this article, we will explore the factors that must be considered when selecting the appropriate chemical processing pump for your specific application.

Knowing Chemical Processing Pump

Before delving into the specifics of choosing a chemical processing pump, it is important to understand the fundamentals. Chemical processing pumps are designed to handle a wide variety of chemicals, including corrosive, abrasive, and viscous substances. They are used in industries such as petrochemicals, pharmaceuticals, food and beverage, water treatment, and many others. These pumps are typically classified into two main categories: centrifugal pumps and positive displacement pumps.

●Centrifugal Pumps

Centrifugal pumps are commonly used in chemical processing industries due to their simplicity and cost-effectiveness. They operate by using a rotating impeller to create a flow of liquid. The impeller imparts kinetic energy to the fluid, which is then converted to pressure. Centrifugal pumps are suitable for applications where a continuous, high-flow rate is required. However, they may not be ideal for handling highly viscous fluids or those with suspended solids.

●Positive Displacement Pumps

Positive displacement pumps, on the other hand, are designed to move a fixed volume of liquid for each cycle of operation. These pumps are well-suited for handling viscous and abrasive fluids, making them a preferred choice for many chemical processing applications. There are various types of positive displacement pumps, including diaphragm pumps, piston pumps, and rotary pumps.

KENFLO chemical processing pump

KENFLO Chemical Processing Pump

Key Considerations for Choosing the Right Pump

Before buying the right chemical processing pump, you should take the following factors into consideration.

Chemical Compatibility

The first and most critical consideration when selecting a chemical processing pump is chemical compatibility. It is imperative to choose a pump that can safely handle the specific chemicals used in your process. Different materials may be required for the pump's wetted components, such as the casing, impeller, and seals, to withstand the corrosive or reactive nature of the chemicals. Ensure that the materials are compatible with the chemicals to prevent equipment failure and potential safety hazards.

Temperature and Pressure Requirements

The operating temperature and pressure conditions are vital factors in pump selection. Chemical processing pumps must be capable of withstanding the temperature and pressure levels within your system. Some chemicals may require pumps that can handle extreme conditions, while others may have more moderate requirements. Be sure to consult the pump manufacturer's data sheets for these specifications.

Flow Rate and Head

Determining the required flow rate and head (pressure) is essential for pump selection. The flow rate, typically measured in gallons per minute (GPM) or liters per second (L/s), represents the volume of fluid that needs to be moved.

The head, usually measured in feet or meters, indicates the pressure needed to overcome any resistance in the system, such as elevation changes or pipe friction. Matching the pump's capacity to the system's demands is crucial for efficiency and performance.

KENFLO chemical pump

KENFLO Chemical Pump

Viscosity and Solids Handling

The viscosity of the chemicals being processed plays a significant role in pump selection. Centrifugal pumps work best with low-viscosity fluids, while positive displacement pumps are more suitable for highly viscous materials.

If your application involves solids, such as slurries or suspended particles, ensure that the pump can handle these without clogging or damage.

Reliability and Maintenance

Reliability is a critical factor in chemical processing, as downtime can be costly and may compromise safety. Choose a pump that is known for its reliability and durability in your specific application. Additionally, consider the maintenance requirements of the pump, as regular upkeep is essential to ensure longevity and consistent performance.

Safety and Environmental Considerations

Safety should be a top priority in chemical processing industries. Select a pump that complies with safety standards and regulations. In some cases, special safety features, such as leak detection systems and containment options, may be necessary.

Furthermore, consider the environmental impact of your pump choice, especially when handling hazardous or toxic chemicals. Opt for pumps that minimize emissions and leaks.

Cost of Ownership

While the upfront cost of a chemical processing pump is important, it is equally crucial to consider the total cost of ownership. This includes factors such as energy efficiency, maintenance costs, and the lifespan of the equipment. Choosing a pump that offers a balance between upfront cost and long-term efficiency can lead to cost savings over time.

Pump Selection Assistance

Selecting the right chemical processing pump can be a complex process, and it's often beneficial to consult with experts or pump manufacturers. They can provide valuable insights and recommendations based on your specific needs, ensuring that you make an informed decision.


Choosing the right chemical processing pump is a decision that requires careful consideration of multiple factors, from chemical compatibility to operational requirements and safety concerns.

Investing time and effort in the selection process is crucial to maintaining the efficiency and safety of your chemical processing operations.

By prioritizing the factors mentioned in this article, you can make an informed decision that will ultimately contribute to the success of your business and the protection of your personnel and the environment.