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A plunger pump is a type of positive displacement pump where the high-pressure seal is stationary and a smooth cylindrical plunger slides through the seal. This makes them different from piston pumps and allows them to be used at higher pressures. This type of pump is often used to transfer municipal and industrial sewage. [1] [2]
Pleuger Industries was founded in 1929 by Friedrich Wilhelm Pleuger, when he invented glandless motor as a replacement to the borehole shaft and piston pumps. [12] [13] Since water was used to lubricate and cool the bearings of the wet rotor motor, the patent was regarded particularly ecologically benign and effective at the time.
A mud pump (sometimes referred to as a mud drilling pump or drilling mud pump), is a reciprocating piston/plunger pump designed to circulate drilling fluid under high pressure (up to 7,500 psi or 52,000 kPa) down the drill string and back up the annulus. A mud pump is an important part of the equipment used for oil well drilling.
A plunger lift is an artificial lift method of deliquifying a natural gas well. A plunger is used to remove contaminants from productive natural gas wells, such as water (in liquid, mist, or ice forms), sand, oil and wax.
A plunger is a device driven by or against fluid pressure. [1] In plumbing, the term plunger commonly refers to handheld tools used to clear blockages in drains and pipes . Plumbing plungers consist of a rubber suction cup attached to a stick ( shaft ) usually made of wood or plastic.
Wuli may refer to: Wuli District , a district in the Upper River Division of the Gambia The Kingdom of Wuli , a former kingdom in Senegambia, after which the district was named
Wuli was a Mandinka kingdom located on the north bank of the Gambia River in what is now the eastern portion of The Gambia and the Tambacounda region of Senegal.Ruled as an independent polity by the Wali family from the early 16th century until European colonialism in the late 19th, it controlled an important crossroads for trading routes linking the upper Niger river valley with the coast.
During the 2010s, W. L. Gore & Associates was investigated by authorities in the European Union and by the Federal Trade Commission in the United States amid allegations that the company had bullied outdoor equipment manufacturers away from competing products, thereby restricting fair trade and competition.