The Mesopotamians invented the first pump about 3000 B.C.; they had previously used buckets alone to water their crops in the Nile River valley. Their shaduf, or swipe, was a long wooden lever that pivoted on two upright posts situated on the...

A device for moving fluid from one point to another. External energy is converted to kinetic and potential energy, see Total dynamic...

A pump is a device used to move liquids or slurries. A pump moves liquids from lower pressure to higher pressure, and overcomes this difference in pressure by adding energy to the system (such as a water system). A gas pump is generally called a...

Rotary Lobe Pump sanitary The UNIBLOC-PD offers a modular design which allows the user to change seal options as well as change the pump-size as the process demands changes. Highly engineered rotors enable the pump to achieve excellent volumetric efficiencies of up...

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The Army Corps of Engineers followed federal rules when it awarded a contract to a politically connected manufacturer to provide pumps to this city after Hurricane Katrina, Congress' investigative arm said Thursday.The Government Accountability Office reaffirmed findings it made in May after the Office of...

Louisiana Gov. Kathleen Blanco lashed out at the Army Corps of Engineers on Wednesday for installing defective pumps at three major drainage canals just before the start of last summer's hurricane season."This could put a lot of our people in jeopardy," Blanco said. "It begs...