Search results with tag "Single stage pumps"

Module 4 - Centrifugal Fire Pumps

Mar 25, 2015 · Single Stage Pumps . Single stage pumps use a single impeller to produce water pressure. There are no Volume/Pressure (Series/Parallel) Transfer valves to manipulate. Single stage fire pumps usually have larger impellers than Two-Stage Pumps to generate the desired volume and pressure combinations. The Hale QMax pumps on MCFRS fire engines …

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