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  2. Liquid-ring pump - Wikipedia

    en.wikipedia.org/wiki/Liquid-ring_pump

    Single-stage vacuum pumps typically produce vacuum to 35 torr (mm Hg) or 47 millibars (4.7 kPa), and two-stage pumps can produce vacuum to 25 torr, assuming air is being pumped and the ring-liquid is water at 15 °C (59 °F) or less. Dry air and 15 °C sealant-water temperature is the standard performance basis, which most manufacturers use for ...

  3. Roundabout PlayPump - Wikipedia

    en.wikipedia.org/wiki/Roundabout_PlayPump

    The PlayPump water system is a playground merry-go-round attached to a water pump. The spinning motion pumps underground water into a 2,500-liter tank raised seven meters above ground. The water in the tank is easily dispensed by a tap valve. According to the manufacturer the pump can raise up to 1400 liters of water per hour from a depth of 40 ...

  4. Water distribution system - Wikipedia

    en.wikipedia.org/wiki/Water_distribution_system

    The space within the large column below the water tank can be used for other purposes such as multi-story office space and storage space. A main concern for using water towers in the water distribution system is the aesthetic of the area. [11] [12] Standpipe: A water tank that is a combination of ground storage tank and water tower. It is ...

  5. Water tank - Wikipedia

    en.wikipedia.org/wiki/Water_tank

    An elevated water tank, also known as a water tower, will create a pressure at the ground-level outlet of 1 kPa per 10.2 centimetres (4.0 in) or 1 psi per 2.31 feet (0.70 m) of elevation. Thus a tank elevated to 20 metres creates about 200 kPa and a tank elevated to 70 feet creates about 30 psi of discharge pressure, sufficient for most ...

  6. 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 ...

  7. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    The grinder pump “station” consists of the pump, a tank, and an alarm panel. A pump for household use is usually rated for 1 , 1.5, or 2 hp. A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called ...

  8. 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.

  9. Raschig ring - Wikipedia

    en.wikipedia.org/wiki/Raschig_ring

    Raschig rings one inch (25 mm) ceramic. A Raschig ring is a piece of tube, approximately equal in length and diameter, used in large numbers as a packed bed within columns for distillations and other chemical engineering processes. They are usually ceramic, metal, or glass and provide a large surface area within the volume of the column for ...

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