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The company was conceived as DBC Online by Data Broadcasting Corporation in the fall of 1995. [2] The marketwatch.com domain name was registered on July 30, 1997. [3] The website launched on October 30, 1997, as a 50/50 joint venture between DBC and CBS News, then run by Larry Kramer [2] and co-founder and chairman, Derek Reisfield. [4]
A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. [1] Piston pumps can be used to move liquids or compress gases. They can operate over a wide range of pressures. High pressure operation can be achieved without adversely affecting flow rate. Piston pumps can also deal with viscous ...
A scooping piston pump used with follower plate. The red arrows show the flow of the material, the blue ones the movement of the piston and the white arrows show, how the air is sucked out underneath the disposable follower plate. A follower plate pump is a device to pump highly viscous material directly from barrels.
Dover Corporation is an American conglomerate manufacturer of industrial products. [5] The Downers Grove, Illinois-based company was founded in 1955. [5] [6] As of 2021, Dover's business was divided into five segments: Engineered Products, Clean Energy and Fueling, Imaging & Identification, Pumps & Process Solutions and Climate and Sustainability Technologies. [7]
A new national stock exchange, based in Dallas, and backed by Wall Street heavyweights like BlackRock and Citadel Securities, is looking to take on the world-famous New York Stock Exchange and Nasdaq.
The piston starts in the inner dead center (IDC) with suction process. After a rotation angle of 180° it is finished and the workspace of the piston is filled with the moved medium. The piston is now in the outer dead center (ODC). From this point on the piston displaces the previously sucked medium in the pressure channel of the pump.
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Cutaway side-view diagram of an axial piston pump 3-D rendering of an axial piston pump with the parts labeled Animation of an axial piston pump in operation. An axial piston pump has a number of pistons (usually an odd number) arranged in a circular array within a housing which is commonly referred to as a cylinder block, rotor or barrel.