Self Priming Water Pump
National Pump & Compressor’s self-priming pump systems are ideal for dredging or as trash pumps during construction, municipal, agricultural, and oil and gas applications. They are used for these application because of their unique ability to pump solids up to 3” and clear liquids. The self-prime pumps have flow capacities from 50-3500 GPM and can reach up to 200’ TDH. You can configure your own TDH needs with our TDH Calculator.
Unlike our vacuum assisted pumps, self-priming pumps use an air-water mixture to reach a fully-primed pumping condition. This is a safe priming method because pumping commences via positive displacement which initiates centrifugal force causing pumping to begin.
The standard self-priming pump comes in 2”-6” sizes with specialty fabrication options available for your job specific requirements.
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