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M Series Oval-Gear Flowmeters

If you were looking for Metered Oil Dispensing Handles Click Here.

Flowmeter selection can be a complex and difficult process so we offer our online sizing and selection program.

Since the introduction of our M Series Oval-Gear flowmeters, Macnaught has gained a position as a global leader in flow measurement technology. M Series meters are known throughout the world as the most accurate and reliable positive displacement flowmeters available anywhere. Distributed in over 60 countries and with regional offices located throughout the globe, you can be assured that professional and qualified technical support is readily available.

The M Series range encompasses flows from 0.25 GPH to 320 GPM and pressures as high as 8000 PSI in line sizes from 1/8" to 4". We manufacture meters that can handle highly corrosive chemicals, high viscosity materials, solvents, oils, fuels, water, and a multitude of other liquids. To go along with our meters, we offer a complete line of accessories that include almost any output or display combination imaginable.

OEM Products

Macnaught specializes in building components and complete flowmeters for private label and custom OEM applications. Our application engineers employ over a hundred years of flow measurement application knowledge in order to specify exactly the product that meets your requirements. Some of the many custom components we have designed include measuring chambers for fuel pumps and filters, flow sensors for beverage bottling and dispensing equipment, fuel consumption monitors for the marine and trucking industries, inventory control systems for the automotive industry, sensors for viscosity control for the printing industry, batch control for the food production, meters for automotive fluid dispensing handles, and many more.

Online Sizing and Selection Program *

* Please excuse our dust as the Flow Meter Sizing Program is temporarily under development. This is only a preview and will be fully functional soon.

You can simply choose your process fluid from the menu using our extensive database of fluid attributes or define your own, then input your desired flow range, end connections and outputs. The program determines exactly the flowmeter that best suits your needs. All relevant criteria is displayed so you can contact one of our application engineers by phone or email who will be happy to assist you with pricing and availability, or any other questions you may have.

M-Series Catalog Spec Sheets

M-Series Service Bulletins

Our customers needs range from a few meters per year to several thousand per month. We not only design custom products, but we hold inventory for you in our local offices for just-in-time deliveries.

If you have applications involving flow measurement, Macnaught is the source. Please contact us with your specifications, questions and applications.