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Cutaway Diagram of a Neptune Series 500 Meteing Pump
Neptune Series 500 Metering Pump
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Neptune Diaphragm Metering Pumps

Diaphragm Metering Pumps from Neptune Chemical Pump Co., Inc. come with Neptune's innovative design, quality workmanship and long-term reliability. All Neptune dia-Pumps are adjustable from 10% to 100% of capacity via micrometer dial, and are available in these materials:

  • Cast Iron with 316 Stainless Trim
  • 316 Stainless Throughout
  • Alloy 20
  • PVC
  • Kynar

Contact us for custom configurations.

Neptune Series 500 Standard Metering Pump Series 500 Standard Metering Pump
Simplex Only
Capacities from 1 to 18 gph (3.7 to 68 lph)
Pressures to 1100 psi (77 kg/cm²)
Neptune Series 500 Economy Metering Pump Series 500 Economy Liquid Head
Simplex Only
Capacities from 1 to 18 gph (3.7 to 68 lph)
Pressures to 1100 psi (77 kg/cm²)
Neptune Series 500 Original Metering Pump Series 500 Original
Simplex or Duplex
Capacities (Simplex) from 0.2 to 80 gph (0.75 to 302 lph)
Pressures to 3000 psi (210 kg/cm²)
Neptune Series 500 Low Volume Metering Pump Series 500 Low Volume
Simplex or Duplex
Capacities (Simplex) from 0.2 to 0.5 gph (0.75 to 1.9 lph)
Pressures to 3000 psi (210 kg/cm²)
Neptune Series 500 High Viscosity Metering Pump Series 500 High Viscosity
Simplex or Duplex – for Light Slurries and Viscous Fluids to 5,000 cps
Capacities (Simplex) from 2 to 30 gph (7.5 to 114 lph)
Pressures to 450 psi (32 kg/cm²)
Neptune Series 500 Tubular Diaphragm Metering Pump Series 500 Tubular Diaphragm
Simplex Only – for Slurries to 10% and Viscous Fluids to 20,000 cps
Capacities from 2 to 80 gph (7.5 to 302 lph)
Pressures to 300 psi (21 kg/cm²)
Neptune Series 600 High Volume & Pressure Metering Pump Series 600
Simplex Only – High Volume, High Pressure
Capacities to 240 gph (907 lph)
Pressures to 3500 psi (245 kg/cm²)
Neptune Series 7000 Mechanical Metering Pump Series 7000 Mechanical
Simplex Only – Mechanically Actuated
Capacities to 300 gph (1135 lph)
Pressures to 150 psi (10 kg/cm²)
Neptune Series 8000 High Volume Metering Pump Series 8000
Simplex or Duplex – High Volume
Capacities (Simplex) to 350 gph (1325 lph)
Pressures to 100 psi (7 kg/cm²)
Neptune Electronic Stroke Control Unit Electronic Stroke Control
Automatically controls the capacity of any Neptune Series 500, 600 or 6000 "dia-PUMP"
 

 


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