Neptune™ 500-E Series Hydraulic Metering Pumps offers an economical alternative to the standard 500 Series pumps or a packed plunger pump including the Neptune Variable Oil By-Pass™. The Variable Oil By-Pass stroke adjustment allows improved valve performance over variable linkage designs. Comes standard with 1/3 HP, 1ph, 115 VAC, 60C, TEFC motor with other options available. Offers 316 Stainless Steel, PVC or PVDF Liquid Heads & PTFE Diaphragms. Capacities range from 2 gph (7.50 L/h) to 34 gph (129 L/h). 1,100 psi (75.8 bar) maximum pressure on certain configurations. Maximum Temperatures: 316SS - 200°F (93°C); PVC & PVDF- 125°F (52°C).
Neptune 500-E Economy Hydraulic Metering Pumps
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Neptune 500-E Economy Hydraulic Metering Pumps
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Neptune Metering Pumps
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Neptune Metering Pumps
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Neptune Metering Pumps
522-E-N8-FA Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 4 GPH at 100 psi, 150 psi Max Pressure. Kynar Head, Valve Balls & Check Valve Body, PTFE Diaphragm. Model 522EN8FA. PSG, A Dover Company.
525-E-N8-FA
Neptune Metering Pumps
525-E-N8-FA Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 7 GPH at 100 psi, 150 psi Max Pressure. Kynar Head, Valve Balls & Check Valve Body, PTFE Diaphragm. Model 525EN8FA. PSG, A Dover Company.
515-E-N3
Neptune Metering Pumps
515-E-N3 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 3 GPH at 100 psi, 1100 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 515EN3. PSG, A Dover Company.
515-E-N5
Neptune Metering Pumps
515-E-N5 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 3 GPH at 100 psi, 150 psi Max Pressure. PVC Head & Check Valve Body, Glass Valve Balls, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 515EN5. PSG, A Dover Company.
515-E-AR
Neptune Metering Pumps
515-E-AR Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 2.85 GPH at 100 psi, 150 psi Max Pressure. PVC Head (Hypochlorite Service) & Check Valve Body, Glass Valve Balls, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 515EAR. PSG, A Dover Company.
515-E-N8
Neptune Metering Pumps
515-E-N8 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 3 GPH at 100 psi, 150 psi Max Pressure. Kynar Head, Valve Balls & Check Valve Body, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 515EN8. PSG, A Dover Company.
520-E-N3
Neptune Metering Pumps
520-E-N3 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 2 GPH at 100 psi, 700 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520EN3. PSG, A Dover Company.
520-E-N5
Neptune Metering Pumps
520-E-N5 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 2 GPH at 100 psi, 150 psi Max Pressure. PVC Head & Check Valve Body, Glass Valve Balls, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520EN5. PSG, A Dover Company.
520-E-N8
Neptune Metering Pumps
520-E-N8 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 2 GPH at 100 psi, 150 psi Max Pressure. Kynar Head, Valve Balls & Check Valve Body, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520EN8. PSG, A Dover Company.
522-E-N3
Neptune Metering Pumps
522-E-N3 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 4 GPH at 100 psi, 700 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522EN3. PSG, A Dover Company.
522-E-N5
Neptune Metering Pumps
522-E-N5 Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 4 GPH at 100 psi, 150 psi Max Pressure. PVC Head & Check Valve Body, Glass Valve Balls, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522EN5. PSG, A Dover Company.
522-E-AR
Neptune Metering Pumps
522-E-AR Neptune Pumps Economy Hydraulic Metering Pump, Series 500-E. 3.8 GPH at 100 psi, 150 psi Max Pressure. PVC Head (Hypochlorite Service) & Check Valve Body, Glass Valve Balls, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522EAR. PSG, A Dover Company.
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