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2. 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.

3. List of agricultural machinery - Wikipedia

   en.wikipedia.org/wiki/List_of_agricultural_machinery

   Agricultural equipment is any kind of machinery used on a farm to help with farming.The best-known example of this kind is the tractor.. From left to right: John Deere 7800 tractor with Houle slurry trailer, Case IH combine harvester, New Holland FX 25 forage harvester with corn head.

4. Hydraulic machinery - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_machinery

   Disadvantages: The pump cannot be utilized for any other hydraulic function in an easy way and cooling can be a problem due to limited exchange of oil flow. High power closed loop systems generally must have a 'flush-valve' assembled in the circuit in order to exchange much more flow than the basic leakage flow from the pump and the motor, for ...

5. Hydraulic motor - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_motor

   Conceptually, a hydraulic motor should be interchangeable with a hydraulic pump because it performs the opposite function – similar to the way a DC electric motor is theoretically interchangeable with a DC electrical generator. However, many hydraulic pumps cannot be used as hydraulic motors because they cannot be backdriven. Also, a ...

6. Drum pump - Wikipedia

   en.wikipedia.org/wiki/Drum_pump

   Unlike a submersible pump with the motor submerged, a drum pump has a drive motor above the container. Electric and pneumatic motors are available. Electric and pneumatic motors are available. The motor is attached to the vertical shaft at the top of the tube outside the drum and the pumping element is located at the end of the shaft inside the ...

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