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Selecting and Operating A Slurry Pump

Choosing the right pump for your slurry application can be a complicated task due to the balance of many factors including flow, pressure, viscosity, abrasiveness, particle size, and particle type. An applications engineer, who knows how to take all of these factors into account, can be a great help in navigating the many pump options available.

In determining which type of pump for slurry is best suited for your particular application, follow these simple steps.

Determine The Nature Of The Materials Being Pumped

Consider the following:

  • The particle size, shape, and hardness 
  • The corrosiveness of the slurry solution
  • If the exact in-pump viscosity of the product is unknown, CSI can help

Consider The Pump's Components

  • If it's a centrifugal pump, is the design of and material used to construct the impeller appropriate for pumping slurries?
  • What is the material used to construct the pump constructed? 
  • Are the pump's discharge components appropriate for the slurry to be pumped?
  • What is the best sealing arrangement for the application?
  • Will the solid size pass through the pump?
  • How much damage to the solid can the customer tolerate?

It's also important to consider the chemical compatibility of the slurry with any elastomers in the pump. Once one has addressed both the nature of the slurry and the components of different types of pumps, you may select the potential candidate slurry pump for the application.