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  2. Bicycle pump - Wikipedia

    en.wikipedia.org/wiki/Bicycle_pump

    Bicycle floor pump Foot-operated bike pump Frame-mounted bike pump Outdoor public air compressor for bicycles. A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. It has a connection or adapter for use with one or both of the two most common types of valves used on bicycles, Schrader or ...

  3. 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 ...

  4. Standard Manufacturing DP-12 - Wikipedia

    en.wikipedia.org/wiki/Standard_Manufacturing_DP-12

    The DP-12 is a bullpup 12-gauge pump action double-barreled shotgun designed by Standard Manufacturing.It has two tube magazines, each of which feeds its own barrel.Each magazine tube can hold up to seven 2.75-inch (70 mm) 12-gauge shotshells or six 3-inch (76 mm) shotgun shells; [1] 16 (2 + 3 ⁄ 4") or 14 (3") in total with indicator windows.

  5. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    Progressive cavity pumps consist of a single helix rotor inserted into a double helix stator. As the rotor is turned, the voids in the stator are screwed upwards along the axis of rotation. Progressive cavity pumps can have complicated gearing mechanisms and are difficult for local pump technicians to maintain and repair.

  6. Double-barreled shotgun - Wikipedia

    en.wikipedia.org/wiki/Double-barreled_shotgun

    A view of the break-action of a typical over-and-under (O/U) double-barreled shotgun, with action open and the ejectors visible Two .410 shells being loaded into a side-by-side, double-barrel shotgun. A double-barreled shotgun, also known as a double shotgun, is a break-action shotgun with two parallel barrels, allowing two single shots that ...

  7. Axial piston pump - Wikipedia

    en.wikipedia.org/wiki/Axial_piston_pump

    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.

  8. 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.

  9. Air pump - Wikipedia

    en.wikipedia.org/wiki/Air_pump

    A simple diaphragm pump contains a chamber that acts like a springy diaphragm. When compressed, the air within the diaphragm gets expelled. When the diaphragm is decompressed, the chamber refills with air. A simple example for a diaphragm pump is a foot pump that requires the user to constantly step up and down on the pump to inflate something.

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