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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Electronic Stroke Control ES_StrokeControl

Electronic Stroke Control

The Neptune Electric Stroke Control allows the capacity of any Neptune 500 Series, 600 Series, or 6000 Series Hydraulic Pump to be automatically controlled in response to a standard 4-20 mADC process signal. Alternate inputs are 0-5 VDC/0-10 VDC signal or incremental contact closures. The one-piece controller-positioner mounts directly to the pump. No machining or any special drillings or tapings are needed to retrofit the pump. Electric Stroke Control is commonly used in water/wastewater, power and process industry applications or anywhere pump flow must be automatically proportioned or varied.

Power Supply
  • Single phase 120/240 VAC (switch selectable), 50/60 Hertz, 18 VA load
Operating Temperature
  • 0°F (-18°C) to 150°F (66°C)
Input Signal
  • 4-20 mADC, 0-5 VDC or 0-10 VDC switch selectable
Ouput Signal
  • 4-20 mADC; loop-powered, up to 800 OHM load at 24V
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Features and Benefits

  • Precise pump stroke positioning accurate to ±0.75%
  • Microprocessor-based digital design
  • Permanently lubricated, maintenance free
  • Unrestricted duty cycle
  • Signal interruption “memory.” If process signal is lost, unit can remain in its last position or move to a preset position
  • Alarm function
  • Manual operation if power or signal is lost
  • Stroke position indicator to permit fast, easy visual check of pump stroke length