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  2. Schwing (company) - Wikipedia

    en.wikipedia.org/wiki/Schwing_(company)

    Schwing Concrete pump. The Schwing Group was founded as a medium-sized enterprise on 17 March 1934, by Friedrich Wilhelm Schwing (* 1909; † 1992), a locksmith from Wanne-Eickel. In 1957, Schwing built the world's first oil-hydraulic two-cylinder concrete pump. Starting in 1964, the company also built the first large concrete mixers.

  3. XCMG - Wikipedia

    en.wikipedia.org/wiki/XCMG

    XCMG also began the construction of a 16,400 square meter research and development facility in Krefeld, Germany; along with a merger with the world-leading German concrete machinery company Schwing a German manufacturer of mobile and stationary concrete pumps and truck mixers, headquartered in Herne, as well as the parent company of Schwing ...

  4. Concrete pump - Wikipedia

    en.wikipedia.org/wiki/Concrete_pump

    The second main type of concrete pump, commonly referred to as a "line pump" or trailer-mounted concrete pump, is either mounted on a truck or placed on a trailer. This pump requires steel or flexible concrete placing hoses to be manually attached to the outlet of the machine and feed the concrete to the place of application. The length of the ...

  5. Centrifugal pump - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump

    This pump type operates without a foot valve and without an evacuation device on the suction side. The pump has to be primed with the fluid to be handled prior to commissioning. Two-phase mixture is pumped until the suction line has been evacuated and the fluid level has been pushed into the front suction intake chamber by atmospheric pressure.

  6. List of boiler types by manufacturer - Wikipedia

    en.wikipedia.org/wiki/List_of_boiler_types_by...

    forced-circulation boiler: boilers where circulation is forced by a pump, rather than relying on thermosyphon effect. These may use either forced-water-circulation (e.g. La Mont) or forced-steam-circulation (e.g. Löffler). [25] Foster-Wheeler boiler. D type; controlled-superheat type; ESD type (External Superheat, D type) Franco-Crosti boiler:

  7. Schwing Stetter - Wikipedia

    en.wikipedia.org/wiki/Schwing_Stetter

    Schwing Stetter GmbH, headquartered in Memmingen, Germany, is a manufacturer of concrete mixers and concrete transport systems. With over 600 employees at the Memmingen site, Schwing Stetter is one of the largest employers in the city. In 1982, it was taken over by the company Schwing and integrated into the Group as an independent company. [1]

  8. End-face mechanical seal - Wikipedia

    en.wikipedia.org/wiki/End-face_mechanical_seal

    In mechanical engineering, an end-face mechanical seal (often shortened to mechanical seal) is a type of seal used in rotating equipment, such as pumps, mixers, blowers, and compressors. When a pump operates, the liquid could leak out of the pump between the rotating shaft and the stationary pump casing. Since the shaft rotates, preventing this ...

  9. Hydraulic pump - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_pump

    Fluid flow in an external gear pump. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. They generate flow with enough power to overcome pressure induced by a ...