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Edelmann and Associates, Inc. is the Master Distributor for Neptune Metering Pumps and Accessories in Minnesota, western Wisconsin, North Dakota, and South Dakota.  Neptune offers a comprehensive product line of diaphragm metering pumps, solenoid operated metering pumps, and all of the accessories for your chemical metering and dispensing needs.

Neptune Metering Pumps Selection

Series 500 Hydraulically Actuated Pumps

  • Variable hydraulic stroke adjustment for better performance
  • Cast iron, 316SS, PVC, Alloy 20 or Kynar materials of construction
  • Capacities from .2 gph up to 80 gph
  • Pressures up to 3000 psi
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PZ Series Solenoid Operated Metering Pumps

  • Excellent for Chemical Dosing
  • Manual adjustment from 15 to 300 strokes per minute for variable metering
  • Available with automatic control to accept analog or pulse input to automatically adjust pump speed for precise metering control
  • Capacities from .01 gph up to 20 gph
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Metering Accessories

  • Mixers
  • By-Pass Feeders
  • Available with automatic control to accept analog or pulse input to automatically adjust pump speed for precise metering control
  • Sample Coolers
  • Injection Quills
  • Calibration Columns
  • Relief Valves
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