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    • 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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      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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    • Metering Pumps
      • Metering Pumps

      • Hydraulic Metering Pumps
        • Principles of Operation
        • 500 Series Overview
        • 500-A Series
        • 500-D Series
        • 500-E Series
        • 500-S Series
        • 500-VS Series
        • 560 Series
        • 5005/5003 Series
        • 600 Series
        • 6000 Series
        • View All Hydraulic Metering Pumps
      • Mechanical Metering Pumps
        • MP7000 Series
        • MP7100 Series
        • View All Mechanical Metering Pumps
      • Electronic Metering Pumps
        • PZ Series
        • View All Electronic Metering Pumps
      • Metering Pump Options and Upgrades
        • Advanced Stroke Controller
        • Double-Diaphragm Leak Detection
        • Variable Speed Control
        • Sodium Hypochlorite Gas Bleed
        • View All Metering Pump Options and Upgrades
      • View All Metering Pumps
    • Mixers
    • Mixers

      • Mixer Selection Guide
      • Large Gear Drive Mixers - JG Series
      • Large Gear Drive Mixers - JD Series
      • Small Direct Drive Mixers - BN Series
      • Laboratory Mixers - L Series
      • Small Batch Mixers - A and B Series
      • Direct Drive Air-Driven Mixers
      • Drum Mixers
      • Bulk Container Mixers
      • Specialty Mixers
      • View All Mixers
    • Water and Wastewater Solutions
      • Water and Wastewater Solutions

      • Water and Wastewater Products
        • By-Pass and Filter Feeders
        • Bromine Feeders
        • Glycol Feeders
        • View All Water and Wastewater Products
      • Water and Wastewater Systems
        • Polymaster - Polymer Activation and Blending System
        • Packaged Chemical Feed Systems
        • View All Water and Wastewater Systems
      • Water and Wastewater Accessories
        • Corporation Stop & Injection Quills
        • Calibration Columns
        • Relief Valves
        • Back Pressure Valves
        • Pulsation Dampeners
        • Sample Coolers
        • View All Water and Wastewater Accessories
      • View All Water and Wastewater Solutions
    • ProTips Education Center
  • Markets
    • 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.

      View Our Markets
    • Water & Wastewater
    • Agriculture
    • Chemical Process
    • Energy
    • Oil & Gas
    • Mining
  • Support
    • Technical Support
    • Manuals (IOMs)
    • Guides
    • Dimensional Drawings
    • CHOICE Online Pump Selection, Pricing, and Quotation
    • Certifications and Quality Standards
    • Warranty Information
  • Download Library
    • Videos
    • Brochures & Flyers
    • White Papers
    • Case Studies
    • Manuals (IOMs)
    • Guides
    • Spec Sheets
    • Dimensional Drawings
  • Company
    • About Neptune
    • Certifications and Quality Standards
    • About PSG and Dover
  • Contact Us
    • Contact Neptune
    • Distributor Locator
  • News
    • All News
    • Press Releases
    • Published Articles
 
Your Single-Source Solution Provider

Neptune

With nearly 60 years of experience in the pumping and chemical industries, Neptune™ is a premier provider and manufacturer of chemical-metering pumps, chemical-feed systems and chemical-injection accessories. Neptune offers single-source, end-to-end solutions – technologies specifically engineered for water treatment applications that will help increase operational performance, improve system efficiencies and deliver the peace-of-mind reliability customers expect.

Neptune's hydraulic and mechanical diaphragm metering pumps are superior offerings for a range of markets and applications, including industrial water/wastewater, municipal usage, agricultural applications and chemical metering and dispensing.

About Neptune

Our Products

Neptune offers a range of products, including metering pumps, mixers, and water/wastewater solutions for a variety of markets that guarantee optimal performance and reliability throughout the duration of an application.

Neptune Pumps

Metering Pumps

Neptune Hydraulic Metering Pumps, Mechanical Metering Pumps and Electronic Metering Pumps deliver accuracy, precision and quality for a variety of chemical-injection applications with its full range of metering pumps.

Neptune Mixers

Mixers

Neptune offers a complete line of portable mixers for a wide variety of critical blending and mixing operations including blending liquids, suspending or dissolving solids, and dispersing immiscible liquids or small amounts of gases in liquids.

Water and Wastewater Solutions

Water and Wastewater Solutions

Neptune is the only manufacturer that offers end-to-end solutions/technologies for water and wastewater applications. Neptune offers a number of products including packaged chemical feed systems, feeders, and accessories.

Our Markets

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Water & WasteWater

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Water & WasteWater

Neptune is synonymous with providing a comprehensive portfolio of chemical handling components for water in to water out processes in water treatment and process applications.

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Agriculture

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Agriculture

Neptune hydraulic and mechanical metering pumps, fertilizer pump platforms, chemigation systems and injection quills have become the industry standard in a wide variety of agricultural applications, including irrigation and the precise application of various fertilizer and chemical products.

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Chemical Process

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Chemical Process

Neptune products are designed to handle the characteristics of chemicals while providing benefits that offer easy maintenance and reliability.

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Energy

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Energy

Throughout our history, Neptune has built a reputation as a leading supplier of hydraulic diaphragm metering pumps for use in conjunction with boilers and cooling towers in power plants.

See Our Solutions
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Oil & Gas

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Oil & Gas

Neptune offers a wide range of pumping and metering solutions for chemicals used in all phases of the production, processing, refining, transmission and distribution of oil and gas products.

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Mining

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Mining

Neptune offers a variety of metering pump and mixer solutions for mining applications to help alleviate the stresses associated with the safety of both mining personnel and the environment as a whole.

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News & Notables

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Featured Article

How to Remove & Replace Valve Stack on Neptune™ 560 Series Hydraulic Metering Pumps

Neptune™ 560 Series Hydraulic Metering Pump represents our commitment to providing unique technologies that increase operational efficiency and performance while delivering peace-of-mind reliability. This step-by-step guide help operators properly remove and replace the valve stack in their 560 Series Hydraulic Metering Pumps.

Learn More
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Featured Video

Neptune Corporation Stop: How It Works

How does a Neptune Corporation Stop Work? Find out today by watching the new How It Works video.

Watch Video
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Featured News

The Key Differences Between By-Pass Feeders and Filter Feeders

For over 60 years, Neptune has provided a comprehensive portfolio of end-to-end technology engineered for the water and wastewater industry, including By-Pass Feeders and Filter Feeders. While both By-Pass Feeders and Filter Feeders provide the peace-of-mind reliability needed in water and wastewater applications, some differences need to be considered. Read this blog to learn which technology is ideal for your operation.

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Featured Video

Advanced Stroke Controller: How to Retrofit to Neptune Hydraulic Meter

Short Enhance operational efficiency with the Neptune™ Advanced Stroke Controller, a retrofit option that enables automatic control of the capacity for 500 Series, 600 Series, or 6000 Series Hydraulic Metering Pumps. Follow this comprehensive guide for a quick and seamless installation of the Advanced Stroke Controller to your hydraulic metering pump.

Watch Video
Also of Interest
  • Chemical Process
  • Pump Systems for Safe Handling of Chemical Fluids
  • Neptune Metering Pump Solutions

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Neptune Products

  • Pumps
  • Systems
  • Feeders
  • Mixers
  • Accessories
  • Water and Wastewater Solutions

Neptune Markets

  • Oil & Gas
  • Chemical Process
  • Water & Waste Water
  • Mining
  • Agriculture
  • Energy

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Grand Terrace, CA 92313
USA

+1 (909) 422-1700
Neptune.GeneralSupport@psgdover.com

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