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  2. Pool skimmer - Wikipedia

    en.wikipedia.org/wiki/Pool_skimmer

    The rotational force created by the pool's return jets is the most important part of cleaning the pool water and pushing organic debris through the skimmer mouth. If the pool is designed and operated correctly, this circulation is visible and, after a period, reaches even the deepest end, inducing a low-speed vortex over the main drain due to ...

  3. Swimming pool sanitation - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool_sanitation

    Rotational force the pool return jets create is the most important part of cleaning the pool water and pushing organic waste across the mouth of the skimmer. With a correctly designed and operated swimming pool, this circulation is visible and after a period of time, reaches even the deep end, inducing a low-velocity vortex above the main drain ...

  4. Weir - Wikipedia

    en.wikipedia.org/wiki/Weir

    A polynomial weir is a weir that has a geometry defined by a polynomial equation of any order n. [11] In practice, most weirs are low-order polynomial weirs. The standard rectangular weir is, for example, a polynomial weir of order zero. The triangular (V-notch) and trapezoidal weirs are of order one. High-order polynomial weirs are providing ...

  5. Marland Heights Park and Margaret Manson Weir Memorial Pool

    en.wikipedia.org/wiki/Marland_Heights_Park_and...

    The ovoid-shaped pool was built in 1934, with funds from the David Weir Estate and maintenance support from the Weirton Steel Corporation. The main entrance to the pool features Art Deco style design features. [2] It was listed on the National Register of Historic Places in 1993. [1] The pool was demolished in December of 2022.

  6. Oil skimmer - Wikipedia

    en.wikipedia.org/wiki/Oil_skimmer

    There are two main types of weir skimmer, those that require the weir height to be manually adjusted and those where the weir height is automatic or self-adjusting. Whilst manually adjusted weir skimmer types can have a lower initial cost, the requirement for regular manual adjustment makes self-adjusting weir types more popular in most ...

  7. Weir Group - Wikipedia

    en.wikipedia.org/wiki/Weir_Group

    Weir Group acquired SPM Flow Control, Inc for US$653 million (£328 million). SPM manufactures high-pressure well service pumps and related flow control equipment [49] 2007 Acquired African pumps business, CH Warman Pump Group for $231m (£113m) [50] 2007 Acquired Mesa Manufacturing Inc, the Texan based pump manufacturer for $40m [51] 2008