Simple, electronic flow metering and control that just works.

Whether you have a liquid or gas low flow application, we have a range of solutions to meet your needs.

IRIDIUM Liquid Flow Controller
Microturbine Technology

Multiple proven technologies to solve any flow problem.

McMillan offers microturbine, thermal, electromagnetic, and vortex flow measurement technologies.

Compact liquid flow sensors for low flow rates.

The 10X Series flow meters provide a linear output and measure flow rates as low as 13 mL/minute and up to 50 L/minute.

10X Liquid Flow Meter
COBALT Flow Meter

Introducing COBALT: Low cost liquid electromagnetic meters.

The COBALT Series are available in various flow ranges up to 16 L/minute and multiple wetted material options.

We are the experts in low flow liquid and gas switching, sensing, measuring, and controlling.

Whether you have lines sizes of 1/8”, 1/2”, 3 mm or 12 mm, we have a solution. Whether you have an aggressive acid or an inert gas to measure, we have a solution. Whether you need a thermal mass, microturbine, vortex, or magnetic flow meter or controller, we have a solution. Our online product finder can help you find the right product.

Gas Flow
Measurement

Multiple technologies to measure gas flow ranges as low as 0 – 20 sccm up to 500 L/minute, both with and without integrated displays.

Gas Flow
Control

MEMS-based flow measurement combined with fast-acting solenoid proportional control valve for inert gas flow rates up to 10 L/minute.

Liquid Flow
Measurement

Multiple technologies to measure liquid flow ranges as low as 7 – 50 mL/minute up to 50 L/minute, both with and without integrated displays.

Liquid Flow
Control

Compact, closed-loop liquid flow control for ranges as low as 13 – 100 mL/minute up to 10 L/minute, in PTFE construction for maximum compatibility.

Displays &
Accessories​

Digital flow rate displays, totalizing displays, cables, power adapters, and other accessories to maximize usage of your McMillan flow product in your application.

Product Finder Graphic

If you are unsure which McMillan product is best suited for your project, use this intelligent online tool that will filter product series based on questions about your application. 

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