Macnaught In-Line Commercial Grade Flow Meters

Designed and Manufactured in Australia, Macnaught Commercial Flow Meters are now available in the Americas. Globally known & Trusted Brand  – since 1948.

Macnaught offers in line commercial grade oval gear flow meters providing high accuracy and excellent cost of ownership.

Digital, Mechanical and Pulse Out Models are available in ½” and ¾” NPT Options. ½” Meters Flow Range .26 to 8 GPM ¾” Meters Flow Range is .8 to 21 GPM ; Max Pressure is 1000 PSI on all models with a Max Temperature of 131F. Economical and built to accurately measure Engine Oil, Diesel Oil, ATF, Coolant, Kerosene, and Gear Oils up to 140W. The DM100 Mechanical Meter comes with the industry’s best 10 year warranty. All other meters come standard with our 2 Year Warranty.