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ARO Electric Diaphragm Pumps

ARO EVO Series™ revolutionary pump takes the best features of many positive displacement pump technologies and combines them into one breakthrough product.  This series of electric diaphragm pumps have yet to be available in the idea of a compact, single-pump solution. ARO EVO Series™ Electric Diaphragm Pump offers a viable approach to address a list of applications including chemical processing, general manufacturing, and water & wastewater treatments. The end result of this technology provides a smooth operation system, unparalleled safety features, an overall versatile/efficient design, and a reduction in maintenance costs.


The unique EVO Series™ Electric Diaphragm Pump design provides the confidence to keep your people safe, your processes running and your operating costs down.

  • Integrated encoder
  • No maintenance gearbox
  • Sealless design – no dynamic seals that could allow hazardous fluids to enter the environment
  • Unique 3 chamber design
  • Innovative diaphragm developed exclusively for the EVO Series™ Electric Diaphragm Pump
  • Can be controlled with a PLC
  • Built-in motor thermal protection
  • Extended maintenance cycle and smart maintenance schedule
  • Synthetic oil and filtration system for reliable performance over a wide range of temperatures
  • ARO exclusive AC gear motor available in standard (black) safety area version or hazardous duty (red) version

EVO Series™ Electric Diaphragm Pump Features

  • Designed for Safety and Control
  • Designed to Perform
  • Designed for Efficiency
  • Designed for Versatility
    • Real Deadhead Protection: An encoder senses the speed and will slow the motor down and hold the programmed system pressure for long periods of time. The automated system enables the pump to restart the process without priming or can be programmed for automatic shutdown.
    • Built-in Leak Detection: With built-in leak detection sensors can detect diaphragm failure and shut down the pump to avoid leaks.
    • Secondary Leak Containment: For added protection, the pump was engineered with secondary seals to protect the actuation mechanism in the event of a diaphragm failure.
    • Built-in encoder and Variable Frequency Drive included: Monitor and control the pump flow according to your process parameters, including flow, head, torque, and others.