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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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.

Check out our ProTips

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.

Check out our ProTips

The Benefits of the NSP and NXP Series Electronic Metering Pumps

While a variety of pump technologies can perform admirably in chemical-dosing applications, NSP Series Solenoid Metering Pumps and NXP Series Stepper Motor-Driven Metering Pumps from Neptune incorporate several design enhancements that allow them to outperform their competitors in a number of important ways. These features also allow the NSP Series and NXP Series to be a more reliable and efficient choice for virtually any chemical-handling application that requires consistent and precise dosing.

Not sure what to look for when selecting an electronic metering pump? We can help! Download the Neptune Electronic Selection Guide for valuable information on how to properly select the best solution for your application.

Complete the form to download the free guide to selecting an electronic metering pumps.

Our differentiated features that make us stand out.


Check Valves

Check valves molded to the liquid head eliminate a critical leak point. Available on NSP Series models with PVC, PP, and PVDF heads.

NSP-NXP-3

The check valve and head are molded as one piece.

NSP-NXP-4

Competitor pumps are two pieces that screwed together.

Features come standard for NSP and NXP models

NSP-NXP-1

Openings of the leakage drain.

NSP-NXP-2

Competitor pump

Leakage Drain Holes

Leakage drain holes allow the chemical to exit the flange in the event of a diaphragm rupture, protecting the drive.

Quick & Easy Maintenance

The diaphragm and liquid head can be easily swapped, eliminating the need to adjust the individual checks, seats, O-rings, etc. If you choose to repair the pump, Neptune offers two spare part kits making maintenance a breeze!

  • Diaphragm Spare Parts Kit: includes the diaphragm (1) and head bolts (3)
  • Pump Head Spare Parts Kit: includes the pump head (2), which includes the check valve molded in
NSP-NXP-5

Simplified Repair Kits

NSP-NXP-6

Other manufacturers