• Neptune Pumps 520-A-N3 500A Metering Pump 520AN3

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Neptune Metering Pumps

520-A-N3

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520-A-N3 Neptune Pumps Simplex Hydraulic Metering Pump, Series 500-A. 2 GPH at 100 psi, 700 psi Max Pressure. 316SS, FKM O-Rings, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520AN3. PSG, A Dover Company.

$3,551.00

Ships within 1 business day (in-stock items). Delivery typically 1–5 business days.

Item: 520-A-N3 | Part #: 520AN3

520-A-N3

520-A-N3 Neptune Pumps Simplex Hydraulic Metering Pump, Series 500-A. 2 GPH at 100 psi, 700 psi Max Pressure. 316SS, FKM O-Rings, PTFE Diaphragm. 0.33 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 520AN3. PSG, A Dover Company.

Diameter11/16" (17.5 mm) Piston
DiaphragmPTFE
HP0.33
Hz60
Material316SS, FKM O-Rings
Maximum Flow (GPH)2 GPH at 100 psi
Maximum Operating Temperature200 °F (93.3 °C)
Maximum Pressure (PSI)700 psi
Maximum Strokes Per Minute37
Motor Enclosure TypeTEFC - (Totally Enclosed Fan Cooled)
Part Number520AN3
Phase1 Ph (Single Phase)
Quick Specs1/3HP/1/60/115/TEFC Integrally mounted motor
TypeSimplex (Non-Removable, cannot be converted to Duplex)
Voltage115

Neptune 500-A Hydraulic Simplex Metering Pumps Information

Product Type
Chemical Metering, Diaphragm Pumps, Injection / Dosing, Metering, Wastewater Treatment
Features & Benefits
Features and Benefits
• EZE-CLEAN™ Valves – feature cartridges that can be removed for cleaning without disturbing the piping to the pump
• Ten turn micrometer dial calibrated in 1% increments, with the ability to adjust capacity from 10% to 100%
• Variable Oil By-Pass™ Stroke Adjustment provides a better valve performance when compared to variable linkage designs
• Bright color contrasted dial protected from corrosion by clear PVC Covering
• Stroke mechanism moves only when adjustment is made, eliminating wear
• Piston is powered through complete stroke length at all capacity adjustments, eliminating stress, wear and shock of lost motion designs
• Totally enclosed fan-cooled motor with built-in automatic thermal overload
• Simplex capacities from 1 gph (3.7 L/h) to 18 gph (68 L/h)
• Pressures up to 1,100 psi (77 bar)

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