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The IST can be adjusted at installation to perform at maximum per nozzle flow rate of 10 gpm(381pm)based on the <br /> specifications of your piping and dispensing system.This eliminates overpressuring the system,which results in an <br /> unnecessarily high hydraulic hammer and need for other control devices. <br /> Specs <br /> Power Requirements <br /> IST models can only be powered by a MagVFCTM controller: <br /> 2 hp models can operate with single-or three-phase incoming power supply to the MagVFCTM. <br /> 4 hp models require three-phase incoming power supply to the MagVFCTM for proper operation. <br /> Incoming power supply to the MagVFCTM can be 200-250 VAC,50 or 60 Hz. <br /> MagVFCTM outputs a three-phase,variable frequency signal,valid for FE Petro variable speed pumps only. <br /> 2 hp max,motor draw:9 Amps. <br /> 4 hp max.motor draw: 15 Amps. <br /> MagVFCTM max.line draw:20 Amps. <br /> Pump Motor <br /> 2 hp or 4 hp,variable speed,two-stage centrifugal type pump motor with integral,automatic,thermal overload protection. <br /> Max,flow:2 hp=110 gpm,4 hp=140 gpm. <br /> Max.pressure:selectable operating pressure on MagVFCTM between 24 psi and 42 psi deadhead. <br /> Available with MagShellTM,which results in 45%increased flow area around motor. <br /> Liquid Compatibility <br /> Max.liquid viscosity:70 SSU at 60 OF(15°C). <br /> IST models imply alcohol-gasoline compatibility for fuel mixtures containing up to 85%ethanol,and 20%MTBE,20% <br /> ETBE or 17%TAME with gasoline. <br /> IST models can also be used with diesel fuels,fuel oils,kerosene,Avgas and jet fuels in a non-gelled pourable state. <br /> All wetted elastomers are made of a high grade,fluorocarbon compound. <br /> Standard Features <br /> All IST models include variable speed,variable length options and alcohol-gasoline compatibility. <br /> Check valve:2%"diameter fluorocarbon seal constructed on cast aluminum body and steel backing washer. <br /> Pressure relief valve:available in four pressure relief settings,integral to check valve.Standard model relieves at 40 psi <br /> and resets above 35 psi. <br /> Syphon:venturi-type syphon primer supplied with every submersible.Syphon check valve and secondary syphon sold <br /> separately. <br /> Air eliminator:every submersible includes tank return path with one-way check valve to provide active air elimination. <br /> Electrical disconnect:electrical yoke for positive contractor disconnect during service. <br /> Approvals <br /> Consult factory for applicable approvals. <br />