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As a surface-mounted well pumps, jet pumps are named for the manner in which they operate (as opposed to their application). Their most common use is to reliably transport water to a remote home (cottage or cabin), or within a sprinkler system.
Jet well pumps are made of three working mechanisms: the nozzle, throat, and diffuser. Power fluid at high pressure (low velocity) is converted to low pressure (high velocity) by use of the nozzle. As the flow rate of the power fluid increases, the pressure at the entrance of the throat becomes lower. This low pressure allows water to be drawn in from the well. The water is pumped by the low pressure jet into the throat. At the throat, the combined power fluid and water is slowed by the diffuser. As the velocity decreases, the pressure increases to allow it to pump the water to the surface.
Although jet jumps are a type of modified centrifugal pump, they are less efficient due to friction loss. However, they can be made more efficient when working with combined media that includes gases or in well conditions that involve turbulence.
The housing for a jet pump can be made of a few different materials, including plastics such as polypropylene (PP), polyvinyl chloride (PVC), or polytetrafluoroethylene (PTEE). Plastics are great materials because they are inexpensive, corrosion-resistant, and chemical-resistant. Steel alloys such as stainless steel are stronger and more scratch-resistant than plastics, and they offer high corrosion and chemical resistance for a slightly higher price. Finally, cast iron is a possible housing material choice which provides high strength and scratch-resistance.
There are four types of jet pumps, although the most common two are deep well and shallow well. In addition to these two, there is a convertible jet pump and a miniature version.
If you need high volumes of fluid transported quickly and reliably, then a jet pump is for you. We carry name brands like Little Giant. Shop with the experts and see why so many choose us over other wholesale companies. For questions about your purchase or installation, or to help you find the best jet well pump, contact our friendly customer service team.