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Specific speed is an index used to predict desired pump or turbine performance. i.e. it predicts the general shape of a pump's impeller. It is this impeller's "shape" that predicts its flow and head characteristics so that the designer can then select a pump or turbine most appropriate for a particular application.
The company, known as Downs & Company until 1869, cast and assembled the world's first all-metal pump in 1849. [17] In 1869, the Goulds name was added, and the company became known as Goulds Manufacturing Company. The Gould family ran the operation from 1872 until 1964, renaming the company Goulds Pumps Incorporated in 1926.
ITT has over 10,000 employees in more than 35 countries and serves customers in more than 100 countries. The company's long-standing brands include Goulds Pumps, Cannon connectors, KONI shock absorbers and Enidine energy absorption components. [4] The company was founded in 1920 as International Telephone & Telegraph.
The first turbine they built in 1856 was installed at Holmescales Farm at Old Hutton and powered farm machinery there for more than a century. This, the "Williamson Bros Vortex Turbine No. 1", survives and is in the collection of Lakeland Arts ; it was part of the Museum of Lakeland Life & Industry in Kendal, as of January 2021 [update] closed ...
Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...
A pump as turbine (PAT), also known as a pump in reverse, is an unconventional type of reaction water turbine, which behaves in a similar manner to that of a Francis turbine. The function of a PAT is comparable to that of any turbine , to convert kinetic and pressure energy of the fluid into mechanical energy of the runner.
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