Learn the Lingo: Glossary of Pump Terminology

Pumps provide an important role in our everyday lives. Where it is bringing us water or taking away waste, keeping pumps functioning is an important part of our daily society. To help you learn the lingo of the pump and repair world, below is a glossary of terms you might come across when talking about pumps.

  • Absolute Pressure -This is typically measured in kPa and is the combination of the gauge and atmospheric pressure.

  • Base Plate - This is the piece that will hold the motor and the pump.

  • Coupling - A coupling is a part that connects the pump to its driver.

  • Differential Pressure - This term refers to the difference between the inlet and outlet pressure.

  • Flashing - Flashing describes the rapid change when a liquid will turn into gas form.

  • Gasket - A gasket creates a seal between two devices.

  • Head - The head is used to discuss the amount of force or the energy exerted by the water. This measurement is done by feet.

  • Impeller - A part in the pump that is responsible for driving the fluid.

  • Low Flow - This refers to a buildup of heat in a pump's volume chamber.

  • Negative Pressure - Negative pressure refers to the pressure that is below atmospheric pressure.

  • Pressure Head - Is the measurement of the energy of water due to pressure.

  • Priming - This is the action term used when the water in the pump starts its cycle.

  • Power End - Is the end of the pump that attaches to the source of power.

  • Stuffing Box - This is the portion of the pump that holds its mechanical seal.

  • Throttling - This procedure is done to increase the loss of friction by closing a valve on the discharge side of the pump.

  • Velocity Head - The measurement of the energy of water that is caused by velocity and motion.

  • Wet End - Wet end describes the area of the pump that will get wet from the fluid.

If you want to know more about pump terminology or have pump install or pump repair project, contact the experienced professionals at Jett Pump & Valve LLC today for more information. Our expert team can answer and all questions you have!


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