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  2. High-density solids pump - Wikipedia

    en.wikipedia.org/wiki/High-density_solids_pump

    The most characteristic element of the transfer tube pump is S-shaped "transfer tube" installed inside the feed hopper, which connects the advancing piston to the outlet. In other words, the pump cylinder which is currently pushing the material is connected to the delivery line by the transfer tube, while the retracting (pulling) cylinder is ...

  3. Concrete pump - Wikipedia

    en.wikipedia.org/wiki/Concrete_pump

    A concrete pump is a machine used for transferring liquid concrete by pumping. There are different types of concrete pumps. A common type of concrete pump for large scale construction projects is known as a boom concrete pump, because it uses a remote-controlled articulating robotic arm (called a boom) to place concrete accurately. It is ...

  4. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    The depth from which a hand pump will suck is limited by atmospheric pressure to an operating depth of less than 7 meters. [5] The height to which a hand pump will lift is governed by the ability of the pump and the operator to lift the weight in the delivery pipe.

  5. Comparison of pumps - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_pumps

    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 ...

  6. Peristaltic pump - Wikipedia

    en.wikipedia.org/wiki/Peristaltic_pump

    A peristaltic pump, also commonly known as a roller pump, is a type of positive displacement pump used for pumping a variety of fluids. The fluid is contained in a flexible tube fitted inside a circular pump casing. Most peristaltic pumps work through rotary motion, though linear peristaltic pumps have also been made.

  7. Progressing cavity pump - Wikipedia

    en.wikipedia.org/wiki/Progressing_cavity_pump

    A progressing cavity pump is a type of positive displacement pump and is also known as a progressive cavity pump, progg cavity pump, eccentric screw pump or cavity pump.It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned.

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  9. Concrete mixer - Wikipedia

    en.wikipedia.org/wiki/Concrete_mixer

    A typical concrete mixer uses a revolving drum to mix the components. For smaller volume works, portable concrete mixers are often used so that the concrete can be made at the construction site, giving the workers ample time to use the concrete before it hardens. An alternative to a machine is mixing concrete by hand.

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