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NEEP Systems Pumps http!/www neepsystems com/Pages/Ecowpump ht1n1 <br /> Principles of Operation. <br /> The EconoPump utilizes a liquid-driven het pumping <br /> system Water is continuously circulated at relatively high <br />' pressure through multiple venturLs to create a vacuum at <br /> each jet islet port in the Multi-Jet Manifold This creates a <br /> high vacuum that is used to hft water from the extraction <br />' wells The het is mounted either m the well, or above <br /> grade, depending on the drawdown level The intake can <br /> be the end of the pipe or, if free product is present, the <br />' unique Control Snorkel, which creates a suction break at <br /> the point needed to hold free product for recovery <br /> EconoPump is indicated for the following conditions <br /> • Drawdown level 22' (6 7 m) or less (Downhole bets can <br />' be used to pump to 75' [22 9 m] ) <br /> • Individual well flows between 0 1 to 9 gpm(0 02-2 <br />' m3/hr), depending on total head loss <br /> • Remediation sites requiring two or more recovery wells <br /> 1 <br /> • Precision drawdown required <br />' • Maximize individual well yields <br /> • Significant free product present m wells. The steady <br />' drawdown feature allows for precise placement of product <br /> recovery pumps and elimination of an oil/water separator <br />' • System discharge is to a ShallowTray low profile air <br /> stripper for treatment <br /> Standard Models <br /> EconoPump EJ-3 for up to three wells and EconoPump <br /> EJ-5 for up to 5 wells Each well 0 1-9 gpm(0 02-2m <br /> 3/hr) gpm Designs available for more wells, or multiple <br /> 1 <br /> 3 of4 W8/00 2 54 PM <br />