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Pleuger Industries is a German manufacturer of submersible pumps, thrusters, and plunger pumps. It is based in Hamburg, Germany. The word "Pleuger" is sometimes considered as synonymous for water-filled motors with multi-stage pumps. It is also considered as the pioneer of submersible turbine pump motor.
Since being acquired by the investment company, Flacks Group, in 2018, Pleuger is operating as an independent company.
Its products are used internationally in the
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. 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. In contrast to oil-filled submersible motors of the time, Pleuger pumps had the critical benefit that they could be employed in sensitive sectors such as drinking water delivery. In the 1930s, these pumps became the universally accepted standard.
In 1930, during the expansion of Berlin subway system, Pleuger installed directly coupled water-filled submersible motors. The pumps helped lower the groundwater for the construction project.
In 1945, during the World War II, Pleuger plants in Berlin and Greitz were damaged or destroyed. After the war, Friedrich Wilhelm Pleuger restarted the work in a minor repair workshop in Hamburg-Altona.
In 1951, a new plant was established Wandsbek, Hamburg and subsequently its headquarters were relocated there. In the 1970s, Pleuger Industries partnered with an American company, TRW, to expand in new regions, develop and exchange new products and technologies.
In 1987, Dresser Industries acquired Pleuger from TRW. The acquisition of Pleuger helped Dresser to expand its submersible pumps in drainage, irrigation, and offshore applications.
In 1989, Pleuger Worthington was formed after a merger between Dresser Pleuger GmbH and Deutsch Worthington.
In 1992, it became part of the Ingersoll-Dresser Pump (IDP).
In 2000, the ownership of Pleuger when it was acquired by Flowserve.
In November 2013, Pleuger introduced Pleuger PMM6, a submersible pump made from
energy industry
The energy industry is the totality of all of the industries involved in the production and sale of energy, including fuel extraction, manufacturing, refining and distribution. Modern society consumes large amounts of fuel, and the energy indu ...
, mining, the oil and gas industry
The petroleum industry, also known as the oil industry or the oil patch, includes the global processes of exploration, extraction, refining, transportation (often by oil tankers and pipelines), and marketing of petroleum products. The largest ...
, the renewable energy
Renewable energy is energy that is collected from renewable resources that are naturally replenished on a human timescale. It includes sources such as sunlight, wind, the movement of water, and geothermal heat. Although most renewable energy ...
, and the water market sector. Throughout its history, its pumps have been used in various applications around the world, including at the Moutoa Floodway, Alster fountain, Collahuasi mine, and Montpellier
Montpellier (, , ; oc, Montpelhièr ) is a city in southern France near the Mediterranean Sea. One of the largest urban centres in the region of Occitania (administrative region), Occitania, Montpellier is the prefecture of the Departments of ...
.
Company development
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. 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. In contrast to oil-filled submersible motors of the time, Pleuger pumps had the critical benefit that they could be employed in sensitive sectors such as drinking water delivery. In the 1930s, these pumps became the universally accepted standard.
In 1930, during the expansion of Berlin subway system, Pleuger installed directly coupled water-filled submersible motors. The pumps helped lower the groundwater for the construction project.
In 1945, during the World War II, Pleuger plants in Berlin and Greitz were damaged or destroyed. After the war, Friedrich Wilhelm Pleuger restarted the work in a minor repair workshop in Hamburg-Altona.
In 1951, a new plant was established Wandsbek, Hamburg and subsequently its headquarters were relocated there. In the 1970s, Pleuger Industries partnered with an American company, TRW, to expand in new regions, develop and exchange new products and technologies.
In 1987, Dresser Industries acquired Pleuger from TRW. The acquisition of Pleuger helped Dresser to expand its submersible pumps in drainage, irrigation, and offshore applications.
In 1989, Pleuger Worthington was formed after a merger between Dresser Pleuger GmbH and Deutsch Worthington.
In 1992, it became part of the Ingersoll-Dresser Pump (IDP).
In 2000, the ownership of Pleuger when it was acquired by Flowserve.
In November 2013, Pleuger introduced Pleuger PMM6, a submersible pump made from permanent magnet
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, ...
s and was ten percent more efficient than its predecessor.
In February 2016, the company launched Pleuger PMM8 submersible electric motor that works with variable frequency drives.
In 2018, Flacks Group acquired Pleuger from Flowserve. Previously, when it was part of Flowserve, it was known as Flowserve Pleuger.
In 2019, Pleuger established a subsidiary in Moscow, Russia.
In 2020, Pleuger expanded its operations and opened a subsidiary in Singapore.
In 2021, the company redeveloped its subsidiary brand, Aldrich.
In 2022, Pleuger closed its Russian subsidiary and established its headquarters in Miami.
Alster fountain
Since the 1980s, Pleuger pumps are installed in the Alsterfontäne, a fountain that has an output of 70 kW and can pump 180,000 liters of water per hour to a height of up to 60 meters. For the pump, permanent magnet technology (PMM) drive has been used, installed in 2018. Pumps were first installed by Pleuger for free in 1982 when the foundation was established. Pleuger also provides annual maintenance in partnership with the Binnenalster Foundation.See also
*Pleuger rudder
The Pleuger rudder (also known as a Dutch rudder) is a power assisted ship's rudder. It creates a flow of water in the direction the rudder points powered by an auxiliary electric motor. This aids maneuverability at low speeds greatly, since ...
, a rudder named after Pleuger
References
{{reflist 1929 establishments in Germany Pump manufacturers Companies based in Hamburg