Milton Roy metering pumps help deliver accurate and reliable chemical dosing in some of the world's most demanding applications. Explore our portfolio to find solutions for water treatment, oil & gas, chemical processing, power generation, mining and other industrial processes. Our range of metering pumps will help you find solutions designed for your industry, operating conditions and process needs.
Start With Your Application
Select your industry to explore common applications and recommended metering pump solutions

Water & Wastewater Treatment
Coagulation, Flocculation & Clarification
Accurately dose coagulants, flocculants, and treatment chemicals to improve solids removal, water clarification, and overall treatment efficiency in municipal and industrial water systems.
Disinfection & Water Quality Control
Ensure safe, high-quality water through accurate chemical dosing for disinfection, de-chlorination, fluoridation, taste and odor control, iron and manganese removal, and other critical treatment processes designed to meet water quality and regulatory requirements.
pH Control, Desalination & Water Conditioning
Optimize water chemistry, protect treatment assets, and improve overall system performance with precise dosing solutions for pH control, desalination, membrane pretreatment, hardness control, corrosion inhibition, and water conditioning applications.

Mining & Mineral Processing
Mineral Processing & Extraction
Improve process efficiency with precise chemical dosing for ore recovery, reagent addition, flotation, leaching and other critical mineral processing applications.
Battery Metals & Direct Lithium Extraction
Enable emerging energy transition projects with accurate chemical dosing for lithium recovery, battery metal processing, and direct lithium extraction applications.
Water Treatment & Tailings Management
Support water reuse, wastewater treatment, and tailings operations with reliable dosing solutions that help manage water quality and environmental requirements.

Energy & Power Generation
Oil and Gas Production
Enable reliable upstream, midstream, and downstream operations with precise chemical injection for corrosion inhibition, hydrate prevention, scale control, and produced water treatment.
Power Generation & Utilities
Protect boilers, cooling systems and utility water processes with accurate dosing solutions that improve reliability and operational efficiency.
Refining & Petrochemical Processing
Support refining and petrochemical operations with precise dosing of catalysts, additives, and process chemicals across critical production processes.

Chemical Industry
Circular Chemistry & Advanced Recycling
Support emerging circular economy applications with accurate dosing solutions for chemical recycling, feedstock recovery, pyrolysis processes and sustainable manufacturing technologies.
Reactor Charge, Catalyst Injection
Maintain safe and reliable operation with precise injection of catalysts, reactants, and specialty chemicals in high-pressure and process-critical chemical manufacturing applications.
Polymers & Plastics Manufacturing
Improve product quality and process consistency through precise dosing of catalysts, co-catalysts, additives and process chemicals used in polymer and plastics production.
Why Engineers Choose Milton Roy
Precise Dosing
±1% steady-state accuracy across demanding process applications
API 675 Compliance
Designed for critical chemical injection and process industries
Leak-Free Technologies
PTFE and metallic diaphragm options with advanced protection systems
Extreme Pressure Capability
Solutions up to 1,035 bar (15,011 psi)
Long Service Life
Diaphragm technologies with service life exceeding 20,000 hours
Global Certifications
Diaphragm technologies with service life exceeding 20,000 hour

Find by Technical Requirements
Identify metering pump for you based on operating conditions and application requirements.
FAQ
How does a metering pump work?
Recommended links:
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