. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Another type of centrifugal pump is the regenerative turbine. (This should not be confused with the deep-well turbine, or diffusion-vane pump, which is also a centrifugal type.) This pump builds up more pressure than an ordinary centri- fugal having the same impeller size and speed, because it has a regenerative ac- tion which throws the water outward from the blades against the case and back to the blades. This process is repeated as many times as necessary to bring the water to the pressure required. Centrifugal and rege
. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Another type of centrifugal pump is the regenerative turbine. (This should not be confused with the deep-well turbine, or diffusion-vane pump, which is also a centrifugal type.) This pump builds up more pressure than an ordinary centri- fugal having the same impeller size and speed, because it has a regenerative ac- tion which throws the water outward from the blades against the case and back to the blades. This process is repeated as many times as necessary to bring the water to the pressure required. Centrifugal and regenerative turbine pumps are not self-priming, although they are so called if they are equipped with priming devices, some of which are shown in the accompanying pictures. CAUTION: The fine blades on this type of pump will wear out rapidly if abra- sive or gritty particles are in the spray liquid. ENTRANCE TO HYDRAULIC. ASPIRATOR This centrifugal pump, a medium-sized one, uses the exhaust from the engine, with an aspirator, to draw the priming liquid into the pump. [9]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Akesson, Norman B. (Norman Berndt), 1914-; Harvey, W. A. (William Alfred), 1914-1989. Berkeley, Calif. : University of California, College of Agriculture, Agricultural Experiment Station
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Keywords: ., bookcentury1900, bookpubli, booksubjectspraying, booksubjectweeds
