Hydraulic Ram Pumps - USDA
2014-6-24 · The hydraulic ram pump, invented more than 200 years ago, is one such pump. ... As is described in the section 'About the Pump', the Bamford Hi-Ram Pump uses an inlet flow of water at low pressure to pump some of that water to a higher pressure or height. The pump has a self-sustaining cycle of operation about one second long.
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