Neptune Diaphragm Hydraulic Metering Pump - 500-E Series Neptune Diaphragm Hydraulic Metering Pump - 500-E Series Neptune Diaphragm Hydraulic Metering Pump - 500-E Series Neptune Diaphragm Hydraulic Metering Pump - 500-E Series Neptune Diaphragm Hydraulic Metering Pump - 500-E Series

500-E Series Mechanical Diaphragm Pumps

Neptune 500-E Series Hydraulic Metering Pumps offers an economical alternative to the standard 500 Series pumps or a packed plunger type pump.

Materials of Construction
  • 316SS
  • PVC
  • PVDF
Diaphragms
  • PTFE
Capacity
  • 2 gph (7.50 L/h) to 34 gph (129 L/h)
Max Pressure
  • 1,100 psi (75.8 bar)
Max Temperature
  • 316SS - 200°F (93°C)
  • PVC - 125°F (52°C)
  • PVDF - 125°F (52°C)
Standard Motor
  • 1/3HP-1ph-115VAC-60c-TEFC
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  • icon_cert-CE
  • American Petroleum Institute Logo

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