Pumps move liquids, gases or slurries by mechanical action and are classified into three major groups by methodology: direct lift, displacement and gravity pumps. They take many sizes, depending on the difficulty of the application. Pumps may be driven by a variety of energy sources, including petroleum, solar energy and direct electrical connection. They are often used in automated and process control systems.



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  1. Gorman-Rupp 80 Series pumps are designed for non-stop workloads. The straight-in suction design of these high efficiency pumps guarantees quick positive self priming and allows them to operate on high suction lifts.

  2. Gorman-Rupp Air Driven Diaphragm pumps are the best and the most cost effective pumps in handling the most demanding and thickest sludge.

  3. The RamParts Air Driven Diaphragm pump can handle the toughest of slurry and sludge applications. These pumps are designed to surmount “high-wear” challenges connected with progressive cavity and double diaphragm pumps.

  4. The Gorman-Rupp 10 Series pumps were the first self priming centrifugal pumps that deal with solids.

  5. Air operated diaphragm pumps – also known as AODD or AOD pumps are ideal for an infinite number of functions.

  6. Air operated submersible pumps – also known as pneumatic submersible pumps are ideal for those situations when power is not available.

  7. The most common type of pump installed in the world, centrifugal pumps can be purchased to perform a wide variety of functions. Construction materials can be chosen to be compatible with the process fluid.

  8. Lightweight pumps used to transfer liquids from containers are known as drum, barrel or container pumps. These can be used to transfer all types of liquids regardless of viscosity or chemical aggressiveness.

  9. Positive displacement pumps, such as the helical rotor pump, are typically used to pump highly viscous materials and for dosing or metering of fluids.

  10. Lobe pumps are positive displacement pumps have fixed sized spaces between a lobed rotor and the pump casing. As the rotor turns, fluid that is trapped in these spaces is moved from the inflow to the pump discharge.