Neptune's 500-VS Series High Viscosity Hydraulic Metering Pumps are engineered for precisely metering viscous liquids to 5,000 cP like polymers and other thick fluids. These pumps come standard in Simplex, but may be converted to Duplex. Variable Oil By-pass™ stroke adjustment permits an adjustable time delay from the end of the suction stroke to the start of the discharge stroke, allowing the ball to fully seat before pumping continues. This way even in the heaviest liquids, accuracy stays very high. Comes standard with 1/3 HP, 1ph, 115 VAC, 60C, TEFC motor with other options available. 316 Stainless Steel & PTFE Diaphragms. Capacities range from 2 gph (7.50 L/h) to 29 gph (110 L/h). 900 psi (62 bar) maximum pressure on certain configurations. Maximum Temperature is 200°F (93°C).
Neptune 500-VS High Viscosity Hydraulic Metering Pumps
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Neptune Metering Pumps
Clear all515-VS-N3
Neptune Metering Pumps
515-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 3 GPH at 100 psi, 900 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 515VSN3. PSG, A Dover Company.
520-VS-N3
Neptune Metering Pumps
520-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 2 GPH at 100 psi, 400 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520VSN3. PSG, A Dover Company.
522-VS-N3
Neptune Metering Pumps
522-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 4 GPH at 100 psi, 500 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522VSN3. PSG, A Dover Company.
525-VS-N3
Neptune Metering Pumps
525-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 7 GPH at 100 psi, 700 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 525VSN3. PSG, A Dover Company.
530-VS-N3
Neptune Metering Pumps
530-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 5.5 GPH at 100 psi, 300 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 530VSN3. PSG, A Dover Company.
532-VS-N3
Neptune Metering Pumps
532-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 11 GPH at 100 psi, 300 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 532VSN3. PSG, A Dover Company.
535-VS-N3
Neptune Metering Pumps
535-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 18 GPH at 100 psi, 300 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 535VSN3. PSG, A Dover Company.
537-VS-N3
Neptune Metering Pumps
537-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 22 GPH at 100 psi, 300 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 537VSN3. PSG, A Dover Company.
547-VS-N3
Neptune Metering Pumps
547-VS-N3 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 29 GPH at 100 psi, 200 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 547VSN3. PSG, A Dover Company.
515-VS-N3-2
Neptune Metering Pumps
515-VS-N3-2 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 3 GPH at 100 psi, 900 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.5 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 515VSN32. PSG, A Dover Company.
520-VS-N3-2
Neptune Metering Pumps
520-VS-N3-2 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 2 GPH at 100 psi, 400 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.5 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520VSN32. PSG, A Dover Company.
522-VS-N3-2
Neptune Metering Pumps
522-VS-N3-2 Neptune Pumps High Viscosity Hydraulic Metering Pump, Series 500-VS. 4 GPH at 100 psi, 500 psi Max Pressure. 316SS Head, Valve Balls & Check Valve Body; FKM O-Ring, PTFE Diaphragm. 0.5 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522VSN32. PSG, A Dover Company.
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