Neptune Products

Delivering accurate, precise and quality solutions

Neptune's technical innovations, backed by solid customer support, builds confidence in our complete portfolio of products, delivering peace of mind reliability to our end users.

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Neptune Markets

Single-source, end-to-end solutions

Neptune delivers pump systems for use in the reliable and safe handling of chemical fluids used for water treatment applications in municipalities, general industries and agriculture.

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ProTips Education Center

Single-Source Resource for Industrial Water Treatment

New educational center dedicated to providing you with resources, best practices and product information for the industrial water treatment market.

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600 Series

600 Series Hydraulic Metering Pumps are designed for high-volume, high-pressure applications.

Liquid Head Materials of Construction
  • 316SS
  • C-20
  • PVC
  • PVDF
  • PTFE
  • 126 gph (477 L/h) to 240 gph (908 L/h)
Max Pressure
  • 316SS - 600 psi (41.4 bar)
  • C-20 - 600 psi (41.4 bar)
  • PVC - 150 psi (10.3 bar)
  • PVDF - 150 psi (10.3 bar)
Max Temperature
  • 316SS - 200°F (93°C)
  • C-20 - 200°F (93°C)
  • PVC - 125°F (52°C)
  • PVDF - 125°F (52°C)
Standard Motor
  • 1/2HP to 2HP
logo_choice Select Your Pump
  • 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
  • EZE-CLEAN™ Valves – feature cartridges that can be removed for cleaning without disturbing the piping to the pump (available only in select models)