• Neptune Pumps 522-E-AR-2 500-E Metering Pump 522EAR2

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Neptune Metering Pumps

522-E-AR-2

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522-E-AR-2 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. 0.5 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522EAR2. PSG, A Dover Company.

$3,531.00

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

Item: 522-E-AR-2 | Part #: 522EAR2

522-E-AR-2

522-E-AR-2 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. 0.5 HP, 115 Volts, 60 Hz, 1 Ph (Single Phase), TEFC - (Totally Enclosed Fan Cooled) Motor Enclosure. Model 522EAR2. PSG, A Dover Company.

Connection Size1/2"
Diameter11/16" (17.5 mm) Piston
DiaphragmPTFE
Head / FittingsPVC Head (Hypochlorite Service)
HP0.5
Hz60
Maximum Flow (GPH)3.8 GPH at 100 psi
Maximum Operating Temperature125°F (52°C)
Maximum Pressure (PSI)150 psi
Maximum Strokes Per Minute72
Motor Enclosure TypeTEFC - (Totally Enclosed Fan Cooled)
Part Number522EAR2
Phase1 Ph (Single Phase)
Product NotesSpecial design degassing head for sodium hypochlorite, derate capacity 5%.
Quick Specs1/2HP/1/60/115/TEFC Integrally mounted motor
Valve BallsGlass
Valve / Seat / O-RingPVC Check Valve Body
Voltage115

Neptune 500-E Economy Hydraulic Metering Pumps Information

Product Type
Chemical Metering, Diaphragm Pumps, Injection / Dosing, Metering, Wastewater Treatment
Features & Benefits
Features and Benefits
• 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
• Economical alternative to standard 500 Series
• Max capacity up to 34 gph (113 L/h)
• Max pressure up to 1,100 psi (77 bar)
• Materials of construction: 316SS, PVDF, PVC
• Capacity control options include electric stroke length adjustment and variable speed drives

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